2027 GMC Sierra
Pickup · 2010–2027
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.
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
2027 Sierra trims
| Pro | Elevation | AT4 | AT4X | Denali | Denali Ultimate | |
|---|---|---|---|---|---|---|
| Wireless phone charging | No | Standard | Standard | Standard | Standard | Standard |
| Head-up display | No | Optional | Standard | Standard | Standard | Standard |
| Heated front seats | No | Standard | Standard | Standard | Standard | Standard |
| Ventilated front seats | No | Optional | Standard | Standard | Standard | Standard |
| Heated steering wheel | Optional | Standard | Standard | Standard | Standard | Standard |
| Remote start | Optional | Standard | Standard | Standard | Standard | Standard |
| Sunroof or moonroof | No | Optional | Optional | Standard | Standard | Standard |
| Panoramic roof | No | Optional | Optional | Standard | Standard | Standard |
| 360-degree camera | Optional | Optional | Standard | Standard | Standard | Standard |
| Adaptive cruise control | Standard | Standard | Standard | Standard | Standard | Standard |
| Blind-spot warning | Standard | Optional | Standard | Standard | Standard | Standard |
| Lane centering | No | No | Standard | Standard | Standard | Standard |
Availability: Pro: Equipment Group 1SA available on All models. All 1SA models are late availability.; Elevation: Available on Crew Cab and Double Cab models. Double Cab models are late availability. Crew Cab Standard Box models are late availability.; AT4: Available on 4WD Crew Cab models. Crew Cab Standard Box models are late availability.; AT4X: Available on 4WD Crew Cab TK15543 model.; Denali: Available on Crew Cab models. Crew Cab Standard Box models are late availability.; Denali Ultimate: Available on 4WD Crew Cab TK15543 model.
Features from GMC's 2027 equipment guide ("Optional": a package or option adds it); base price, seating and driver-assistance equipment from NHTSA's vehicle database (vPIC), as GMC reports it. "—": 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…
Wireless Apple CarPlayApple CarPlay (wired or wireless)Wireless phone chargingHead-up displayLane centeringBlind-spot monitoring360-degree cameraHeated front seatsHeated second-row seatsVentilated (cooled) seatsHeated steering wheelLeather seatsRemote startSunroof or moonroofPanoramic roof
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.