Which year to buy
Too new to judge: 2026. Give a new year a year or two of owner reports.
Bar height: serious owner complaints to NHTSA for that year per car on the road, against this model's usual year.
2010GOOD BUYSerious complaints 0.4× usual Extended coverage
167 serious complaints of 217, the most about air bags (88) and structure (46); per car on the road, 0.4× this model's usual year. 4 recalls. NHTSA investigation EA21002: desiccated air bag inflator rupture.
What owners report
“Takata recall. The contact owns a 2010 gmc sierra 1500. The contact received notification of nhtsa campaign number: 16v381000 (air bags); however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue.”
An owner's complaint to NHTSA about the air bags, Mar 2017
“The contact owns a 2010 gmc sierra 1500. The contact stated that the front exterior passenger's side door handle fractured. The vehicle was taken to an authorized dealer two times and the plastic door handle was replaced each time. Most recently the failure recurred. The vehicle had not been repaired.”
An owner's complaint to NHTSA about the structure, Aug 2014
Fixes and extended coverage
- Extended coverage Some 2008-2009 model year chevrolet silverado and gmc sierra light-duty vehicles registered in canada or 2007, and 2010-2013 model year chevrolet silverado and gmc sierra light duty vehicles registered in or previously registered in maine, new hampshire, new york, and vermont or in the canadian… (14520, Mar 2016)
- Extended coverage The throttle position sensor may cause the engine to run rough and cause the malfunction indicator lamp and/or and Engine Reduced Power message to illuminate. 11273A - Special Coverage (additional population added). (G-169310, Jun 2013)
- Extended coverage On some vehicles equipped with a 6.6L Duramax Diesel engine (RPO LML, LGH) the malfunction indicator lamp (MIL) may illuminate due to a condition with the glow plugs. Special Coverage. (15114, Jan 2019)
- Extended coverage On some hybrid 2-mode (hp2) vehicles, the accessory power module (apm) may not initialize when the vehicle is started in cold temperatures and the apm is cold. 14262 - special coverage. (G-203256, Oct 2014)
- Repair program Certain 2008-2010 model year General Motors vehicles have a performance issue with their OnStar modules that could impact the vehicle's battery life. Dealers are to remove the fuse for the OnStar module to reset it. (14648, Feb 2015)
- Repair program Normal engine vibration while in active fuel management (afm) mode may cause the transmission dipstick tube to fatigue and fracture. Dealers are to inspect the transmission dipstick tube for a fracture and replace it if necessary. (12138, Oct 2012)
From the manufacturer's bulletins filed with NHTSA. A dealer can look up whether a car has had the work done or is still covered.
217 owner complaints · 4 recalls (check a car's VIN for open recalls) · EPA combined: 14–22 mpg · NHTSA: Not rated · 2010 trims and features
Verdicts computed from NHTSA owner complaints, defect investigations and recalls. Cars on the road from New York State registrations. (How we judge.) Data checked 2026-10-06.
Trims and features
Engines: 4.3L 6-cyl; 4.8L 8-cyl; 5.3L 8-cyl; 6.0L 8-cyl hybrid; 6.2L 8-cyl · Drive: 4WD, AWD, RWD
2010 Sierra trims
| Denali | Hybrid | SL | SLE | SLT |
|---|
base price, seating and driver-assistance equipment from NHTSA's vehicle database (vPIC), as GMC reports it. Tech and comfort features (CarPlay, heated seats, sunroof) for GMC aren't in our data yet. "—": not verified in our sources. "Varies": standard on some versions of the trim.
Year by year
| Year | Engines | Drive | Fuel economy | Crash rating | Recalls | Owner complaints | Most-reported problem | CarPlay |
|---|---|---|---|---|---|---|---|---|
| 2026 | 2.7L 4-cyl turbo 3.0L 6-cyl turbo diesel 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 15–25 mpg | 5 of 5 | 2 | 65 | Engine (46) | — |
| 2025 | 2.7L 4-cyl turbo 3.0L 6-cyl turbo diesel 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 15–26 mpg | 5 of 5 | 1 | 116 | Engine (53) | Yes |
| 2024 | 2.7L 4-cyl turbo 3.0L 6-cyl turbo diesel 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 15–25 mpg | 5 of 5 | 1 | 364 | Engine (185) | Yes |
| 2023 | 2.7L 4-cyl turbo 3.0L 6-cyl turbo diesel 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 15–26 mpg | 5 of 5 | 3 | 485 | Engine (208) | Yes |
| 2022 | 2.7L 4-cyl turbo 3.0L 6-cyl turbo diesel 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 14–26 mpg | 4–5 of 5 | 6 | 588 | Engine (237) | Yes |
| 2021 | 2.7L 4-cyl turbo 3.0L 6-cyl turbo diesel 4.3L 6-cyl 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 14–26 mpg | 4–5 of 5 | 7 | 577 | Engine (308) | Yes |
| 2020 | 2.7L 4-cyl turbo 3.0L 6-cyl turbo diesel 4.3L 6-cyl 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 15–26 mpg | 4–5 of 5 | 12 | 479 | Engine (240) | Yes |
| 2019 | 2.7L 4-cyl turbo 4.3L 6-cyl 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 15–21 mpg | 4–5 of 5 | 10 | 673 | Engine (311) | Yes |
| 2018 | 4.3L 6-cyl 5.3L 8-cyl 5.3L 8-cyl hybrid 6.2L 8-cyl | 4WD, RWD | 17–20 mpg | 4–5 of 5 | 7 | 321 | Power train (132) | Yes |
| 2017 | 4.3L 6-cyl 5.3L 8-cyl 5.3L 8-cyl hybrid 6.2L 8-cyl | 4WD, RWD | 17–20 mpg | 4–5 of 5 | 6 | 429 | Power train (144) | Yes |
| 2016 | 4.3L 6-cyl 5.3L 8-cyl 5.3L 8-cyl hybrid 6.2L 8-cyl | 4WD, RWD | 17–20 mpg | 4–5 of 5 | 8 | 48 | Service brakes (11) | Yes |
| 2015 | 4.3L 6-cyl 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 17–20 mpg | 3–5 of 5 | 9 | 817 | Service brakes (231) | No |
| 2014 | 4.3L 6-cyl 5.3L 8-cyl 6.2L 8-cyl | 4WD, RWD | 17–20 mpg | 2–5 of 5 | 9 | 859 | Exterior lighting (212) | No |
| 2013 | 4.3L 6-cyl 4.8L 8-cyl 5.3L 8-cyl 6.0L 8-cyl hybrid 6.2L 8-cyl | 4WD, AWD, RWD | 14–21 mpg | 2–4 of 5 | 3 | 167 | Unknown or other (54) | No |
| 2012 | 4.3L 6-cyl 4.8L 8-cyl 5.3L 8-cyl 6.0L 8-cyl hybrid 6.2L 8-cyl | 4WD, RWD | 14–21 mpg | 3–4 of 5 | 3 | 152 | Air bags (48) | No |
| 2011 | 4.3L 6-cyl 4.8L 8-cyl 5.3L 8-cyl 6.0L 8-cyl hybrid 6.2L 8-cyl | 4WD, AWD, RWD | 14–21 mpg | 4 of 5 | 5 | 366 | Air bags (138) | No |
| 2010 | 4.3L 6-cyl 4.8L 8-cyl 5.3L 8-cyl 6.0L 8-cyl hybrid 6.2L 8-cyl | 4WD, AWD, RWD | 14–22 mpg | Not rated | 4 | 217 | Air bags (88) | No |
Owner complaints are unverified reports to NHTSA, counted as filed: older years have had longer to collect them and sales aren't adjusted for, so see Which year to buy for a fair comparison. Most-reported problem: the component named in the most complaints that year. Sources: EPA, NHTSA, Apple.
Which years have…
Apple lists CarPlay for: Sierra 2016–2025 (Apple).
Every NHTSA-rated version: crash ratings, safety tech, recalls, complaints
| Year | Version | Stars | Forward collision warning | Lane departure warning | Recalls | Complaints |
|---|---|---|---|---|---|---|
| 2026 | GMC SIERRA 1500 PU/CC N/A 4WD | Not Rated | Standard & Optional | Standard | 0 | 65 |
| 2026 | GMC SIERRA 1500 PU/CC N/A RWD | Not Rated | Standard & Optional | Standard | 0 | 65 |
| 2026 | GMC SIERRA 1500 PU/EC N/A 4WD | 5 | Standard | Standard | 0 | 65 |
| 2026 | GMC SIERRA 1500 PU/EC N/A RWD | 5 | Standard | Standard | 0 | 65 |
| 2026 | GMC SIERRA 1500 PU/RC N/A 4WD | 5 | Standard | Standard | 2 | 131 |
| 2026 | GMC SIERRA 1500 PU/RC N/A RWD | 5 | Standard | Standard | 0 | 65 |
| 2026 | GMC SIERRA 2500 PU/CC N/A 4WD | Not Rated | Standard | Standard | 1 | 10 |
| 2026 | GMC SIERRA 2500 PU/CC N/A RWD | Not Rated | Standard | Standard | 1 | 10 |
| 2026 | GMC SIERRA 2500 PU/EC N/A 4WD | Not Rated | Standard | Standard | 1 | 10 |
| 2026 | GMC SIERRA 2500 PU/EC N/A RWD | Not Rated | Standard | Standard | 1 | 10 |
| 2026 | GMC SIERRA 2500 PU/RC N/A 4WD | Not Rated | Standard | Standard | 1 | 10 |
| 2026 | GMC SIERRA 2500 PU/RC N/A RWD | Not Rated | Standard | Standard | 1 | 10 |
| 2025 | GMC Sierra 1500 PU/CC 4WD | 5 | Standard & Optional | Standard & Optional | 1 | 116 |
| 2025 | GMC Sierra 1500 PU/CC RWD | 5 | Standard & Optional | Standard & Optional | 1 | 116 |
| 2025 | GMC Sierra 1500 PU/EC 4WD | 5 | Standard | Standard | 1 | 116 |
| 2025 | GMC Sierra 1500 PU/EC RWD | 5 | Standard | Standard | 1 | 116 |
| 2025 | GMC Sierra 1500 PU/RC 4WD | 5 | Standard | Standard | 1 | 116 |
| 2025 | GMC Sierra 1500 PU/RC RWD | 5 | Standard | Standard | 1 | 116 |
| 2025 | GMC Sierra 2500 PU/CC 4WD | Not Rated | Standard | Standard | 1 | 28 |
| 2025 | GMC Sierra 2500 PU/CC RWD | Not Rated | Standard | Standard | 1 | 28 |
| 2025 | GMC Sierra 2500 PU/EC 4WD | Not Rated | Standard | Standard | 1 | 28 |
| 2025 | GMC Sierra 2500 PU/EC RWD | Not Rated | Standard | Standard | 1 | 28 |
| 2025 | GMC Sierra 2500 PU/RC 4WD | Not Rated | Standard | Standard | 1 | 28 |
| 2025 | GMC Sierra 2500 PU/RC RWD | Not Rated | Standard | Standard | 1 | 28 |
| 2024 | GMC Sierra 1500 PU/CC 4WD | 5 | Standard & Optional | Standard & Optional | 1 | 364 |
| 2024 | GMC Sierra 1500 PU/CC RWD | 5 | Standard & Optional | Standard & Optional | 1 | 364 |
| 2024 | GMC Sierra 1500 PU/EC 4WD | 5 | Standard | Standard | 1 | 364 |
| 2024 | GMC Sierra 1500 PU/EC RWD | 5 | Standard | Standard | 1 | 364 |
| 2024 | GMC Sierra 1500 PU/RC 4WD | 5 | Standard | Standard | 1 | 364 |
| 2024 | GMC Sierra 1500 PU/RC RWD | 5 | Standard | Standard | 1 | 364 |
| 2024 | GMC Sierra 2500 PU/CC 4WD | Not Rated | Standard | Standard | 4 | 105 |
| 2024 | GMC Sierra 2500 PU/CC RWD | Not Rated | Standard | Standard | 4 | 105 |
| 2024 | GMC Sierra 2500 PU/EC 4WD | Not Rated | Standard | Standard | 4 | 105 |
| 2024 | GMC Sierra 2500 PU/EC RWD | Not Rated | Standard | Standard | 4 | 105 |
| 2024 | GMC Sierra 2500 PU/RC 4WD | Not Rated | Standard | Standard | 4 | 105 |
| 2024 | GMC Sierra 2500 PU/RC RWD | Not Rated | Standard | Standard | 4 | 105 |
| 2023 | GMC Sierra 1500 PU/CC 4WD | 5 | Standard & Optional | Standard & Optional | 3 | 485 |
| 2023 | GMC Sierra 1500 PU/CC RWD | 5 | Standard & Optional | Standard & Optional | 3 | 485 |
| 2023 | GMC Sierra 1500 PU/EC 4WD | Not Rated | Standard | Standard | 3 | 485 |
| 2023 | GMC Sierra 1500 PU/EC RWD | Not Rated | Standard | Standard | 3 | 485 |
| 2023 | GMC Sierra 1500 PU/RC 4WD | Not Rated | Standard | Standard | 3 | 485 |
| 2023 | GMC Sierra 1500 PU/RC RWD | Not Rated | Standard | Standard | 3 | 485 |
| 2023 | GMC Sierra 2500 PU/CC 4WD | Not Rated | Optional | Optional | 1 | 32 |
| 2023 | GMC Sierra 2500 PU/CC RWD | Not Rated | Optional | Optional | 1 | 32 |
| 2023 | GMC Sierra 2500 PU/EC 4WD | Not Rated | Optional | Optional | 1 | 32 |
| 2023 | GMC Sierra 2500 PU/EC RWD | Not Rated | Optional | Optional | 1 | 32 |
| 2023 | GMC Sierra 2500 PU/RC 4WD | Not Rated | Optional | Optional | 1 | 32 |
| 2023 | GMC Sierra 2500 PU/RC RWD | Not Rated | Optional | Optional | 1 | 32 |
| 2022 | GMC Sierra 1500 PU/CC 4WD | 5 | No | No | 6 | 588 |
| 2022 | GMC Sierra 1500 PU/EC 4WD | Not Rated | No | No | 6 | 588 |
| 2022 | GMC Sierra 1500 PU/RC 4WD | Not Rated | No | No | 6 | 588 |
| 2022 | GMC Sierra 1500 PU/CC 2WD | 5 | No | No | 6 | 588 |
| 2022 | GMC Sierra 1500 PU/EC 2WD | Not Rated | No | No | 6 | 588 |
| 2022 | GMC Sierra 1500 PU/RC 2WD | Not Rated | No | No | 6 | 588 |
| 2022 | GMC Sierra 1500 Limited PU/CC 4WD | 4 | Optional | Optional | 6 | 588 |
| 2022 | GMC Sierra 1500 Limited PU/EC 4WD | 5 | Optional | Optional | 6 | 588 |
| 2022 | GMC Sierra 1500 Limited PU/RC 4WD | 5 | Optional | No | 6 | 588 |
| 2022 | GMC Sierra 1500 Limited PU/CC 2WD | 4 | Optional | Optional | 6 | 588 |
| 2022 | GMC Sierra 1500 Limited PU/EC 2WD | 5 | Optional | Optional | 6 | 588 |
| 2022 | GMC Sierra 1500 Limited PU/RC 2WD | 5 | Optional | No | 6 | 588 |
| 2022 | GMC Sierra 2500 PU/CC 2WD | Not Rated | No | No | 3 | 43 |
| 2022 | GMC Sierra 2500 PU/EC 2WD | Not Rated | No | No | 3 | 43 |
| 2022 | GMC Sierra 2500 PU/RC 2WD | Not Rated | No | No | 3 | 43 |
| 2022 | GMC Sierra 2500 PU/CC 4WD | Not Rated | No | No | 3 | 43 |
| 2022 | GMC Sierra 2500 PU/EC 4WD | Not Rated | No | No | 3 | 43 |
| 2022 | GMC Sierra 2500 PU/RC 4WD | Not Rated | No | No | 3 | 43 |
| 2021 | GMC Sierra 1500 PU/CC 4WD | 4 | Optional | Optional | 7 | 577 |
| 2021 | GMC Sierra 1500 PU/EC 4WD | 5 | Optional | Optional | 7 | 577 |
| 2021 | GMC Sierra 1500 PU/RC 4WD | 5 | Optional | No | 7 | 577 |
| 2021 | GMC Sierra 1500 PU/CC 2WD | 4 | Optional | Optional | 7 | 577 |
| 2021 | GMC Sierra 1500 PU/EC 2WD | 5 | Optional | Optional | 7 | 577 |
| 2021 | GMC Sierra 1500 PU/RC 2WD | 5 | Optional | No | 7 | 577 |
| 2021 | GMC Sierra 2500 PU/CC 4WD | Not Rated | No | No | 6 | 51 |
| 2021 | GMC Sierra 2500 PU/EC 4WD | Not Rated | No | No | 6 | 51 |
| 2021 | GMC Sierra 2500 PU/RC 4WD | Not Rated | No | No | 6 | 51 |
| 2021 | GMC Sierra 2500 PU/CC 2WD | Not Rated | No | No | 6 | 51 |
| 2021 | GMC Sierra 2500 PU/EC 2WD | Not Rated | No | No | 6 | 51 |
| 2021 | GMC Sierra 2500 PU/RC 2WD | Not Rated | No | No | 6 | 51 |
| 2020 | GMC Sierra 1500 PU/CC 4WD | 4 | Optional | Optional | 12 | 468 |
| 2020 | GMC Sierra 1500 PU/EC 4WD | 5 | Optional | Optional | 12 | 468 |
| 2020 | GMC Sierra 1500 PU/RC 4WD | 5 | No | No | 12 | 468 |
| 2020 | GMC Sierra 1500 PU/CC 2WD | 4 | Optional | Optional | 12 | 468 |
| 2020 | GMC Sierra 1500 PU/EC 2WD | 5 | Optional | Optional | 12 | 468 |
| 2020 | GMC Sierra 1500 PU/RC 2WD | 5 | No | No | 12 | 468 |
| 2020 | GMC Sierra 2500 PU/CC 4WD | Not Rated | No | No | 9 | 76 |
| 2020 | GMC Sierra 2500 PU/EC 4WD | Not Rated | No | No | 9 | 76 |
| 2020 | GMC Sierra 2500 PU/RC 4WD | Not Rated | No | No | 9 | 76 |
| 2020 | GMC Sierra 2500 PU/CC 2WD | Not Rated | No | No | 9 | 76 |
| 2020 | GMC Sierra 2500 PU/EC 2WD | Not Rated | No | No | 9 | 76 |
| 2020 | GMC Sierra 2500 PU/RC 2WD | Not Rated | No | No | 9 | 76 |
| 2019 | GMC Sierra 1500 PU/RC 4WD | 5 | No | No | 10 | 647 |
| 2019 | GMC Sierra 1500 PU/RC RWD | 5 | No | No | 10 | 647 |
| 2019 | GMC Sierra 1500 PU/CC 4WD | 4 | Optional | Optional | 10 | 647 |
| 2019 | GMC Sierra 1500 PU/CC RWD | 4 | Optional | Optional | 10 | 647 |
| 2019 | GMC Sierra 1500 PU/EC RWD | 4 | Optional | Optional | 10 | 647 |
| 2019 | GMC Sierra 1500 PU/EC 4WD | 4 | Optional | Optional | 10 | 647 |
| 2019 | GMC Sierra 2500 PU/RC 4WD | 4 | No | No | 7 | 32 |
| 2019 | GMC Sierra 2500 PU/EC 4WD | 4 | No | No | 7 | 32 |
| 2019 | GMC Sierra 2500 PU/RC RWD | 4 | No | No | 7 | 32 |
| 2019 | GMC Sierra 2500 PU/EC RWD | 4 | No | No | 7 | 32 |
| 2019 | GMC Sierra 2500 PU/CC 4WD | 4 | Optional | Optional | 7 | 32 |
| 2019 | GMC Sierra 2500 PU/CC RWD | 4 | Optional | Optional | 7 | 32 |
| 2019 | GMC Sierra 3500 PU/CC 4WD | Not Rated | Optional | Optional | 7 | 13 |
| 2019 | GMC Sierra 3500 PU/CC RWD | Not Rated | Optional | Optional | 7 | 13 |
| 2019 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 7 | 13 |
| 2019 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | No | 7 | 13 |
| 2019 | GMC Sierra Limited 1500 PU/EC RWD | 4 | No | No | 10 | 404 |
| 2019 | GMC Sierra Limited 1500 PU/EC 4WD | 4 | No | No | 10 | 404 |
| 2018 | GMC Sierra 1500 PU/EC RWD | 5 | Optional | Optional | 7 | 304 |
| 2018 | GMC Sierra 1500 PU/EC 4WD | 5 | Optional | Optional | 7 | 304 |
| 2018 | GMC Sierra 1500 Hybrid PU/CC RWD | 5 | Optional | Optional | 7 | 304 |
| 2018 | GMC Sierra 1500 PU/CC RWD | 5 | Optional | Optional | 7 | 304 |
| 2018 | GMC Sierra 1500 PU/CC 4WD | 5 | Optional | Optional | 7 | 304 |
| 2018 | GMC Sierra 1500 PU/RC RWD | 5 | Optional | Optional | 7 | 304 |
| 2018 | GMC Sierra 1500 PU/RC 4WD | 5 | Optional | Optional | 7 | 304 |
| 2018 | GMC Sierra 2500 PU/EC RWD | 4 | Optional | Optional | 5 | 35 |
| 2018 | GMC Sierra 2500 PU/EC 4WD | 4 | Optional | Optional | 5 | 35 |
| 2018 | GMC Sierra 2500 PU/CC RWD | 4 | Optional | Optional | 5 | 35 |
| 2018 | GMC Sierra 2500 PU/CC 4WD | 4 | Optional | Optional | 5 | 35 |
| 2018 | GMC Sierra 2500 PU/RC RWD | 4 | Optional | Optional | 5 | 35 |
| 2018 | GMC Sierra 2500 PU/RC 4WD | 4 | Optional | Optional | 5 | 35 |
| 2018 | GMC Sierra 3500 PU/EC RWD | Not Rated | No | Optional | 6 | 14 |
| 2018 | GMC Sierra 3500 PU/EC 4WD | Not Rated | No | Optional | 6 | 14 |
| 2018 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | Optional | 6 | 14 |
| 2018 | GMC Sierra 3500 PU/CC RWD | Not Rated | No | Optional | 6 | 14 |
| 2018 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | Optional | 6 | 14 |
| 2018 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | Optional | 6 | 14 |
| 2017 | GMC Sierra 1500 Hybrid PU/CC RWD | 5 | Optional | Optional | 6 | 429 |
| 2017 | GMC Sierra 1500 PU/RC RWD | 5 | Optional | Optional | 6 | 429 |
| 2017 | GMC Sierra 1500 PU/CC 4WD | 5 | Optional | Optional | 6 | 429 |
| 2017 | GMC Sierra 1500 PU/EC 4WD | 5 | Optional | Optional | 6 | 429 |
| 2017 | GMC Sierra 1500 PU/CC RWD | 5 | Optional | Optional | 6 | 429 |
| 2017 | GMC Sierra 1500 PU/EC RWD | 5 | Optional | Optional | 6 | 429 |
| 2017 | GMC Sierra 1500 PU/RC 4WD | 5 | Optional | Optional | 6 | 429 |
| 2017 | GMC Sierra 2500 PU/RC 4WD | 4 | Optional | Optional | 6 | 98 |
| 2017 | GMC Sierra 2500 PU/RC RWD | 4 | Optional | Optional | 6 | 98 |
| 2017 | GMC Sierra 2500 PU/CC 4WD | Not Rated | Optional | Optional | 6 | 98 |
| 2017 | GMC Sierra 2500 PU/CC RWD | Not Rated | Optional | Optional | 6 | 98 |
| 2017 | GMC Sierra 2500 PU/EC 4WD | 4 | Optional | Optional | 6 | 98 |
| 2017 | GMC Sierra 2500 PU/EC RWD | 4 | Optional | Optional | 6 | 98 |
| 2017 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | No | 7 | 74 |
| 2017 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 7 | 74 |
| 2017 | GMC Sierra 3500 PU/EC 4WD | Not Rated | No | No | 7 | 74 |
| 2017 | GMC Sierra 3500 PU/EC RWD | Not Rated | No | No | 7 | 74 |
| 2017 | GMC Sierra 3500 PU/CC RWD | Not Rated | No | No | 7 | 74 |
| 2017 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | No | 7 | 74 |
| 2016 | GMC Sierra 1500 Hybrid PU/CC RWD | 5 | Optional | Optional | 1 | 48 |
| 2016 | GMC Sierra 1500 PU/EC RWD | 5 | Optional | Optional | 10 | 377 |
| 2016 | GMC Sierra 1500 PU/CC RWD | 5 | Optional | Optional | 10 | 377 |
| 2016 | GMC Sierra 1500 PU/EC 4WD | 5 | Optional | Optional | 10 | 377 |
| 2016 | GMC Sierra 1500 PU/CC 4WD | 5 | Optional | Optional | 10 | 377 |
| 2016 | GMC Sierra 1500 PU/RC RWD | 5 | Optional | Optional | 10 | 377 |
| 2016 | GMC Sierra 1500 PU/RC 4WD | 5 | Optional | Optional | 10 | 377 |
| 2016 | GMC Sierra 2500 PU/CC RWD | 4 | Optional | Optional | 8 | 65 |
| 2016 | GMC Sierra 2500 PU/CC 4WD | 4 | Optional | Optional | 8 | 65 |
| 2016 | GMC Sierra 2500 PU/RC RWD | 4 | Optional | Optional | 8 | 65 |
| 2016 | GMC Sierra 2500 PU/RC 4WD | 4 | Optional | Optional | 8 | 65 |
| 2016 | GMC Sierra 2500 PU/EC 4WD | 4 | Optional | Optional | 8 | 65 |
| 2016 | GMC Sierra 2500 PU/EC RWD | 4 | Optional | Optional | 8 | 65 |
| 2016 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | No | 9 | 25 |
| 2016 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 9 | 25 |
| 2016 | GMC Sierra 3500 PU/EC 4WD | Not Rated | No | No | 9 | 25 |
| 2016 | GMC Sierra 3500 PU/CC RWD | Not Rated | No | No | 9 | 25 |
| 2016 | GMC Sierra 3500 PU/EC RWD | Not Rated | No | No | 9 | 25 |
| 2016 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | No | 9 | 25 |
| 2015 | GMC Sierra 1500 PU/EC RWD | 5 | Optional | Optional | 20 | 817 |
| 2015 | GMC Sierra 1500 PU/RC RWD | 5 | Optional | Optional | 20 | 817 |
| 2015 | GMC Sierra 1500 PU/RC 4WD | 5 | Optional | Optional | 20 | 817 |
| 2015 | GMC Sierra 1500 PU/EC 4WD | 5 | Optional | Optional | 20 | 795 |
| 2015 | GMC Sierra 1500 PU/CC 4WD | 5 | Optional | Optional | 20 | 817 |
| 2015 | GMC Sierra 1500 PU/CC RWD | 5 | Optional | Optional | 20 | 817 |
| 2015 | GMC Sierra 2500 PU/EC RWD | 3 | No | No | 17 | 147 |
| 2015 | GMC Sierra 2500 PU/EC 4WD | 3 | No | No | 17 | 147 |
| 2015 | GMC Sierra 2500 PU/RC 4WD | 3 | No | No | 17 | 147 |
| 2015 | GMC Sierra 2500 PU/RC RWD | 3 | No | No | 17 | 147 |
| 2015 | GMC Sierra 2500 PU/CC RWD | 4 | No | No | 17 | 147 |
| 2015 | GMC Sierra 2500 PU/CC 4WD | 4 | No | No | 17 | 147 |
| 2015 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | No | 18 | 89 |
| 2015 | GMC Sierra 3500 PU/EC RWD | Not Rated | No | No | 18 | 89 |
| 2015 | GMC Sierra 3500 PU/CC RWD | Not Rated | No | No | 18 | 89 |
| 2015 | GMC Sierra 3500 PU/EC 4WD | Not Rated | No | No | 18 | 89 |
| 2015 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 18 | 89 |
| 2015 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | No | 18 | 89 |
| 2014 | GMC Sierra 1500 PU/CC 4WD | 5 | Optional | Optional | 21 | 859 |
| 2014 | GMC Sierra 1500 PU/CC RWD | 5 | Optional | Optional | 21 | 859 |
| 2014 | GMC Sierra 1500 PU/EC 4WD | 5 | Optional | Optional | 21 | 859 |
| 2014 | GMC Sierra 1500 PU/EC RWD | 5 | Optional | Optional | 21 | 859 |
| 2014 | GMC Sierra 1500 PU/RC 4WD | 5 | Optional | Optional | 21 | 859 |
| 2014 | GMC Sierra 1500 PU/RC RWD | 5 | Optional | Optional | 21 | 859 |
| 2014 | GMC Sierra 2500 PU/CC RWD | 3 | No | No | 14 | 131 |
| 2014 | GMC Sierra 2500 PU/RC 4WD | 2 | No | No | 14 | 131 |
| 2014 | GMC Sierra 2500 PU/RC RWD | 2 | No | No | 14 | 131 |
| 2014 | GMC Sierra 2500 PU/CC W/SAB RWD | 4 | No | No | 14 | 131 |
| 2014 | GMC Sierra 2500 PU/CC W/SAB 4WD | 4 | No | No | 14 | 131 |
| 2014 | GMC Sierra 2500 PU/CC W/O SAB 4WD | 3 | No | No | 14 | 131 |
| 2014 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | No | 15 | 108 |
| 2014 | GMC Sierra 3500 PU/CC RWD | Not Rated | No | No | 15 | 108 |
| 2014 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 15 | 108 |
| 2014 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | No | 15 | 108 |
| 2013 | GMC Sierra 1500 PU/RC 4WD | 4 | No | No | 6 | 167 |
| 2013 | GMC Sierra 1500 PU/RC RWD | 4 | No | No | 6 | 167 |
| 2013 | GMC Sierra 1500 PU/EC 4WD | 4 | No | No | 6 | 167 |
| 2013 | GMC Sierra 1500 PU/EC RWD | 4 | No | No | 6 | 167 |
| 2013 | GMC Sierra 1500 PU/CC 4WD | 4 | No | No | 6 | 167 |
| 2013 | GMC Sierra 1500 PU/CC RWD | 4 | No | No | 6 | 167 |
| 2013 | GMC Sierra 1500 Hybrid PU/CC RWD | 4 | No | No | 4 | 163 |
| 2013 | GMC Sierra 1500 Hybrid PU/CC 4WD | 4 | No | No | 4 | 163 |
| 2013 | GMC Sierra 2500 PU/CC RWD W/ SAB | 4 | No | No | 6 | 85 |
| 2013 | GMC Sierra 2500 PU/CC 4WD W/ SAB | 4 | No | No | 6 | 85 |
| 2013 | GMC Sierra 2500 PU/RC 4WD | 2 | No | No | 6 | 85 |
| 2013 | GMC Sierra 2500 PU/RC RWD | 2 | No | No | 6 | 85 |
| 2013 | GMC Sierra 2500 PU/EC RWD | 2 | No | No | 6 | 85 |
| 2013 | GMC Sierra 2500 PU/EC 4WD | 2 | No | No | 6 | 85 |
| 2013 | GMC Sierra 2500 PU/CC 4WD W/O SAB | 3 | No | No | 6 | 85 |
| 2013 | GMC Sierra 2500 PU/CC RWD W/O SAB | 3 | No | No | 6 | 85 |
| 2013 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 7 | 53 |
| 2013 | GMC Sierra 3500 PU/EC 4WD | Not Rated | No | No | 7 | 53 |
| 2013 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | No | 7 | 53 |
| 2013 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | No | 7 | 53 |
| 2013 | GMC Sierra 3500 PU/EC RWD | Not Rated | No | No | 7 | 53 |
| 2013 | GMC Sierra 3500 PU/CC RWD | Not Rated | No | No | 7 | 53 |
| 2012 | GMC Sierra 1500 PU/CC 4WD | 4 | No | No | 5 | 152 |
| 2012 | GMC Sierra 1500 PU/EC 4WD | 4 | No | No | 5 | 152 |
| 2012 | GMC Sierra 1500 PU/RC 4WD | 4 | No | No | 5 | 152 |
| 2012 | GMC Sierra 1500 PU/CC RWD | 4 | No | No | 5 | 152 |
| 2012 | GMC Sierra 1500 PU/EC RWD | 4 | No | No | 5 | 152 |
| 2012 | GMC Sierra 1500 PU/RC RWD | 4 | No | No | 4 | 49 |
| 2012 | GMC Sierra 1500 Hybrid PU/CC 4WD | 4 | No | No | 3 | 148 |
| 2012 | GMC Sierra 1500 Hybrid PU/CC RWD | 4 | No | No | 3 | 148 |
| 2012 | GMC Sierra 2500 PU/CC RWD W/ SAB | 4 | No | No | 5 | 60 |
| 2012 | GMC Sierra 2500 PU/CC 4WD W/ SAB | 4 | No | No | 5 | 60 |
| 2012 | GMC Sierra 2500 PU/CC 4WD W/O SAB | 3 | No | No | 5 | 60 |
| 2012 | GMC Sierra 2500 PU/EC 4WD | Not Rated | No | No | 5 | 60 |
| 2012 | GMC Sierra 2500 PU/RC 4WD | Not Rated | No | No | 5 | 60 |
| 2012 | GMC Sierra 2500 PU/CC RWD W/O SAB | 3 | No | No | 5 | 60 |
| 2012 | GMC Sierra 2500 PU/EC RWD | Not Rated | No | No | 5 | 60 |
| 2012 | GMC Sierra 2500 PU/RC RWD | Not Rated | No | No | 5 | 60 |
| 2012 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | No | 6 | 38 |
| 2012 | GMC Sierra 3500 PU/EC 4WD | Not Rated | No | No | 6 | 38 |
| 2012 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 6 | 38 |
| 2012 | GMC Sierra 3500 PU/CC RWD | Not Rated | No | No | 6 | 38 |
| 2012 | GMC Sierra 3500 PU/EC RWD | Not Rated | No | No | 6 | 38 |
| 2012 | GMC Sierra 3500 PU/RC RWD | Not Rated | No | No | 6 | 38 |
| 2011 | GMC Sierra 1500 PU/RC 4WD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 1500 PU/EC 4WD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 1500 PU/CC 4WD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 1500 PU/RC RWD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 1500 PU/EC RWD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 1500 PU/CC RWD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 1500 Hybrid PU/CC 4WD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 1500 Hybrid PU/CC RWD | 4 | No | No | 7 | 366 |
| 2011 | GMC Sierra 2500 PU/RC 4WD | Not Rated | No | No | 6 | 106 |
| 2011 | GMC Sierra 2500 PU/EC 4WD | Not Rated | No | No | 6 | 106 |
| 2011 | GMC Sierra 2500 PU/CC 4WD | Not Rated | No | No | 6 | 106 |
| 2011 | GMC Sierra 2500 PU/RC RWD | Not Rated | No | No | 6 | 106 |
| 2011 | GMC Sierra 2500 PU/EC RWD | Not Rated | No | No | 6 | 106 |
| 2011 | GMC Sierra 2500 PU/CC RWD | Not Rated | No | No | 6 | 106 |
| 2011 | GMC Sierra 3500 PU/RC 4WD | Not Rated | No | No | 7 | 63 |
| 2011 | GMC Sierra 3500 PU/EC 4WD | Not Rated | No | No | 7 | 63 |
| 2011 | GMC Sierra 3500 PU/CC 4WD | Not Rated | No | No | 7 | 63 |
| 2010 | GMC Sierra 1500 Crew Cab 4-DR. w/SAB | Not Rated | No | No | 5 | 217 |
| 2010 | GMC Sierra 1500 Extended Cab w/SAB | Not Rated | No | No | 5 | 217 |
| 2010 | GMC Sierra 1500 4-DR. Hybrid w/SAB | Not Rated | No | No | 5 | 217 |
| 2010 | GMC Sierra 1500 Regular Cab w/SAB | Not Rated | No | No | 5 | 217 |
| 2010 | GMC Sierra 2500 Crew Cab 4-DR. | Not Rated | No | No | 6 | 59 |
| 2010 | GMC Sierra 2500 Extended Cab | Not Rated | No | No | 6 | 44 |
| 2010 | GMC Sierra 2500 Regular Cab | Not Rated | No | No | 6 | 44 |
| 2010 | GMC Sierra 3500 Crew Cab 4-DR. | Not Rated | No | No | 6 | 36 |
| 2010 | GMC Sierra 3500 Extended Cab | Not Rated | No | No | 6 | 36 |
| 2010 | GMC Sierra 3500 Regular Cab | Not Rated | No | No | 6 | 36 |
Source: NHTSA.
Every EPA-rated version: engines and combined mpg
| Year | EPA model | Engines | Combined |
|---|---|---|---|
| 2026 | Sierra 2WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo Auto 10-spd, 8 cyl, 5.3 L |
17–25 |
| 2026 | Sierra 2WD with Sport Mode | Auto 8-spd, 4 cyl, 2.7 L, Turbo Auto 10-spd, 8 cyl, 5.3 L |
18–19 |
| 2026 | Sierra 4WD | Auto 8-spd, 4 cyl, 2.7 L, Turbo Auto 10-spd, 8 cyl, 6.2 L Auto 10-spd, 8 cyl, 5.3 L |
16–18 |
| 2026 | Sierra 4WD AT4X | Auto 10-spd, 8 cyl, 6.2 L | 15 |
| 2026 | Sierra 4WD AT4X with Sport Mode | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo | 19 |
| 2026 | Sierra 4WD FFV | Auto 10-spd, 8 cyl, 5.3 L | 17 |
| 2026 | Sierra 4WD with Sport Mode | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 5.3 L Auto 8-spd, 4 cyl, 2.7 L, Turbo |
17–24 |
| 2026 | Sierra Cab Chassis 2WD | Auto 10-spd, 8 cyl, 5.3 L | 16 |
| 2026 | Sierra Cab Chassis 4WD | Auto 10-spd, 8 cyl, 5.3 L | 15 |
| 2026 | Sierra Mud Terrain Tires 4WD | Auto 8-spd, 4 cyl, 2.7 L, Turbo Auto 10-spd, 8 cyl, 5.3 L Auto 10-spd, 8 cyl, 6.2 L |
15–17 |
| 2026 | Sierra Mud Terrain Tires 4WD (Sport Mode) | Auto 10-spd, 8 cyl, 5.3 L | 16 |
| 2026 | Sierra Mud Terrain Tires 4WD FFV | Auto 10-spd, 8 cyl, 5.3 L | 17 |
| 2026 | Sierra Mud Terrain Tires with Sport Mode | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo | 23 |
| 2025 | Sierra 2WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI |
17–26 |
| 2025 | Sierra 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo, with Sport Mode Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 10-spd, 8 cyl, 5.3 L, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; With Sport Mode Auto 10-spd, 8 cyl, 6.2 L, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal |
16–24 |
| 2025 | Sierra 4WD AT4X | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 6.2 L |
15–19 |
| 2025 | Sierra Cab Chassis 2WD | Auto 10-spd, 8 cyl, 5.3 L | 16 |
| 2025 | Sierra Cab Chassis 4WD | Auto 10-spd, 8 cyl, 5.3 L | 15 |
| 2025 | Sierra Mud Terrain Tires 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo, with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal Auto 10-spd, 8 cyl, 5.3 L, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI |
15–23 |
| 2024 | Sierra 2WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 10-spd, 8 cyl, 5.3 L, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal |
16–25 |
| 2024 | Sierra 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 10-spd, 8 cyl, 5.3 L, SIDI; wth Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 6.2 L, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal |
16–24 |
| 2024 | Sierra 4WD AT4X | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 6.2 L |
15–19 |
| 2024 | Sierra Cab Chassis 2WD | Auto 10-spd, 8 cyl, 5.3 L | 15 |
| 2024 | Sierra Cab Chassis 4WD | Auto 10-spd, 8 cyl, 5.3 L | 15 |
| 2024 | Sierra Mud Terrain Tires 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal Auto 10-spd, 8 cyl, 5.3 L, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI |
15–22 |
| 2023 | Sierra 2WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 10-spd, 8 cyl, 5.3 L, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal Auto 10-spd, 8 cyl, 5.3 L, SIDI |
18–26 |
| 2023 | Sierra 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; with Sport Mode Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 10-spd, 8 cyl, 5.3 L, SIDI; with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal Auto 10-spd, 8 cyl, 6.2 L, SIDI |
17–24 |
| 2023 | Sierra 4WD AT4X | Auto 10-spd, 8 cyl, 6.2 L | 15 |
| 2023 | Sierra Cab Chassis 2WD | Auto 10-spd, 8 cyl, 5.3 L | 16 |
| 2023 | Sierra Cab Chassis 4WD | Auto 10-spd, 8 cyl, 5.3 L | 16 |
| 2023 | Sierra Mud Terrain Tires 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, SIDI; Municipal Auto 10-spd, 8 cyl, 6.2 L, SIDI |
15–22 |
| 2022 | Sierra 2WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; Transmission with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, with Sport Mode Auto 8-spd, 8 cyl, 5.3 L, SIDI; Transmission with Sport Mode Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV |
16–26 |
| 2022 | Sierra 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; Transmission with Sport Mode Auto 10-spd, 8 cyl, 6.2 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start; Municipal Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 8-spd, 8 cyl, 5.3 L, SIDI; Transmission with Sport Mode Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI Auto 10-spd, 8 cyl, 5.3 L, with Sport Mode Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV |
16–24 |
| 2022 | Sierra Cab Chassis 2WD | Auto 10-spd, 8 cyl, 5.3 L Auto 8-spd, 8 cyl, 5.3 L |
15–17 |
| 2022 | Sierra Cab Chassis 4WD | Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 8-spd, 8 cyl, 5.3 L, SIDI |
15–16 |
| 2022 | Sierra Mud Terrain Tires 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI |
14–21 |
| 2021 | Sierra 2WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 4-mode/Sport transmission Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 3-mode transmission (work truck) Auto 8-spd, 8 cyl, 5.3 L, SIDI; with Cylinder Deactivation Auto 6-spd, 8 cyl, 5.3 L, SIDI; Active Fuel Management Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI |
16–26 |
| 2021 | Sierra 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 5.3 L, SIDI; Stop-Start Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 4-mode/Sport transmission Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 3-mode transmission (work truck) Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI; with Cylinder Deactivation Auto 10-spd, 8 cyl, 6.2 L, SIDI; Stop-Start Auto 6-spd, 8 cyl, 5.3 L, SIDI; Active Fuel Management Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI |
16–24 |
| 2021 | Sierra 4WD AT4 | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI; with Cylinder Deactivation Auto 10-spd, 8 cyl, 6.2 L, SIDI; Stop-Start Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI |
16–24 |
| 2021 | Sierra Cab Chassis 2WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI |
14–17 |
| 2021 | Sierra Cab Chassis 4WD | Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI |
14–15 |
| 2020 | Sierra 2WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 4-mode/Sport transmission Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 3-mode transmission (work truck) Auto 8-spd, 8 cyl, 5.3 L, SIDI; XFE Package Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV |
16–26 |
| 2020 | Sierra 4WD | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 4-mode/Sport transmission Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 3-mode transmission (work truck) Auto 10-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 10-spd, 8 cyl, 6.2 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV |
16–24 |
| 2020 | Sierra 4WD AT4 | Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo Auto 10-spd, 8 cyl, 5.3 L Auto 8-spd, 8 cyl, 5.3 L Auto 10-spd, 8 cyl, 6.2 L Auto 6-spd, 8 cyl, 5.3 L |
16–24 |
| 2020 | Sierra Cab Chassis 2WD | Auto 6-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L |
15–17 |
| 2020 | Sierra Cab Chassis 4WD | Auto 6-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L |
15 |
| 2019 | Sierra C10 2WD | Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 4-mode/Sport transmission Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 3-mode transmission (work truck) Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV |
17–21 |
| 2019 | Sierra C10 Cab Chassis 2WD | Auto 6-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L |
16–17 |
| 2019 | Sierra C10 XFE 2WD | Auto 8-spd, 8 cyl, 5.3 L | 19 |
| 2019 | Sierra K10 4WD | Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 4-mode/Sport transmission Auto 8-spd, 4 cyl, 2.7 L, Turbo, SIDI; 3-mode transmission (work truck) Auto 10-spd, 8 cyl, 6.2 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 6 cyl, 4.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV |
16–20 |
| 2019 | Sierra K10 4WD AT4 | Auto 10-spd, 8 cyl, 6.2 L Auto 8-spd, 8 cyl, 5.3 L |
17 |
| 2019 | Sierra K10 Cab Chassis 4WD | Auto 6-spd, 8 cyl, 5.3 L Auto 6-spd, 6 cyl, 4.3 L |
15 |
| 2019 | Sierra LTD C15 2WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2019 | Sierra LTD K15 4WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2018 | Sierra 15 Hybrid 2WD | Auto 8-spd, 8 cyl, 5.3 L | 20 |
| 2018 | Sierra 15 Hybrid 4WD | Auto 8-spd, 8 cyl, 5.3 L | 18 |
| 2018 | Sierra C15 2WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 6.2 L, SIDI |
17–20 |
| 2018 | Sierra C15 Cab Chassis 2WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2018 | Sierra K15 4WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 8-spd, 8 cyl, 6.2 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI |
17–19 |
| 2018 | Sierra K15 Cab Chassis 4WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2017 | Sierra 15 Hybrid 2WD | Auto 8-spd, 8 cyl, 5.3 L | 20 |
| 2017 | Sierra 15 Hybrid 4WD | Auto 8-spd, 8 cyl, 5.3 L | 18 |
| 2017 | Sierra C15 2WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 6.2 L, SIDI |
17–20 |
| 2017 | Sierra C15 Cab Chassis 2WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2017 | Sierra K15 4WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 8-spd, 8 cyl, 6.2 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI |
17–19 |
| 2017 | Sierra K15 Cab Chassis 4WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2016 | Sierra 15 Hybrid 2WD | Auto 8-spd, 8 cyl, 5.3 L | 20 |
| 2016 | Sierra 15 Hybrid 4WD | Auto 8-spd, 8 cyl, 5.3 L | 18 |
| 2016 | Sierra C15 2WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 6.2 L, SIDI |
17–20 |
| 2016 | Sierra C15 Cab Chassis 2WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2016 | Sierra K15 4WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 6.2 L, SIDI |
17–19 |
| 2016 | Sierra K15 Cab Chassis 4WD | Auto 6-spd, 8 cyl, 5.3 L | 17 |
| 2015 | Sierra C15 2WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 6.2 L, SIDI |
17–20 |
| 2015 | Sierra C15 Cab Chassis 2WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI |
17–18 |
| 2015 | Sierra K15 4WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI Auto 8-spd, 8 cyl, 6.2 L, SIDI |
17–19 |
| 2015 | Sierra K15 Cab Chassis 4WD | Auto 6-spd, 6 cyl, 4.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI; FFV Auto 6-spd, 8 cyl, 5.3 L, SIDI |
17–18 |
| 2014 | Sierra C15 2WD | Auto 6-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L Auto 6-spd, 8 cyl, 6.2 L |
17–20 |
| 2014 | Sierra K15 4WD | Auto 6-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L Auto 6-spd, 8 cyl, 6.2 L |
17–19 |
| 2013 | Sierra 15 Hybrid 2WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 21 |
| 2013 | Sierra 15 Hybrid 4WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 21 |
| 2013 | Sierra C15 2WD | Auto 4-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
14–17 |
| 2013 | Sierra C15 XFE 2WD | Auto 6-spd, 8 cyl, 5.3 L | 18 |
| 2013 | Sierra K15 4WD | Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 6 cyl, 4.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
14–17 |
| 2013 | Sierra K15 AWD | Auto 6-spd, 8 cyl, 6.2 L | 14 |
| 2012 | Sierra 15 Hybrid 2WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 21 |
| 2012 | Sierra 15 Hybrid 4WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 21 |
| 2012 | Sierra C15 2WD | Auto 4-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
14–17 |
| 2012 | Sierra C15 XFE 2WD | Auto 6-spd, 8 cyl, 5.3 L | 18 |
| 2012 | Sierra K15 4WD | Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 6 cyl, 4.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
14–17 |
| 2012 | Sierra K15 AWD | Auto 6-spd, 8 cyl, 6.2 L | 14 |
| 2011 | Sierra 15 Hybrid 2WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 21 |
| 2011 | Sierra 15 Hybrid 4WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 21 |
| 2011 | Sierra C15 2WD | Auto 4-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
14–17 |
| 2011 | Sierra C15 XFE 2WD | Auto 6-spd, 8 cyl, 5.3 L | 18 |
| 2011 | Sierra K15 4WD | Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 6 cyl, 4.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
14–17 |
| 2011 | Sierra K15 AWD | Auto 6-spd, 8 cyl, 6.2 L | 14 |
| 2010 | Sierra 15 Hybrid 2WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 22 |
| 2010 | Sierra 15 Hybrid 4WD | Auto (variable gear ratios), 8 cyl, 6.0 L | 21 |
| 2010 | Sierra C15 2WD | Auto 4-spd, 6 cyl, 4.3 L Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
15–17 |
| 2010 | Sierra C15 XFE 2WD | Auto 6-spd, 8 cyl, 5.3 L | 18 |
| 2010 | Sierra K15 4WD | Auto 6-spd, 8 cyl, 5.3 L Auto 4-spd, 6 cyl, 4.3 L Auto 4-spd, 8 cyl, 4.8 L Auto 6-spd, 8 cyl, 6.2 L |
14–17 |
| 2010 | Sierra K15 AWD | Auto 6-spd, 8 cyl, 6.2 L | 14 |
Source: fueleconomy.gov.