Which year to buy
Best bet2018Fewest serious problems: 0.4× usual
Newest we'd buy2025The latest year rated a good buy
AvoidNoneNo year stands out as bad
Be careful2019, 2023More problems; check the recalls were done
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.
2013GOOD BUYSerious complaints 0.2× usual Extended coverage
118 serious complaints of 167, the most about air bags (47) and structure (30); per car on the road, 0.2× this model's usual year. 3 recalls. NHTSA investigation EA21002: desiccated air bag inflator rupture.
What owners report
“Takata recall. The contact owns a 2013 GMC Sierra 1500. The contact received notification of NHTSA campaign number: 21V054000 (Air Bags) however, the part to do the recall repair was not yet available. No dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.”
An owner's complaint to NHTSA about the air bags, Jun 2021
“The contact owns a 2013 gmc sierra 1500. The contact stated that the dashboard exhibited fractures above the front passenger side air bag area. The vehicle was not diagnosed or repaired. The manufacturer was not notified. The vin was invalid. The failure mileage was 20,473. ...updated 05/19/17 bf cn”
An owner's complaint to NHTSA about the structure, Feb 2017
Fixes and extended coverage
- Extended coverage Certain vehicles that are equipped with a diesel engine (RPO LML/LGH/LUZ), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) tank reservoir or increased DEF tank-heater resistance. 29400 Special Coverage. (GCUS-9-3140, Nov 2016)
- 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 A malfunction indicator lamp (mil) may illuminate with diagnostic trouble code (dtc) p0420, catalyst system low efficiency, stored. 15821 - special coverage. (15821, Jun 2016)
- 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 14151 - customer satisfaction program (revised population, letter only). (14151, Sep 2014)
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.
167 owner complaints · 3 recalls (check a car's VIN for open recalls) · EPA combined: 14–21 mpg · NHTSA: 2–4 of 5 stars · 2013 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
2013 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.