Gmc · model year 2026
2026 Gmc Sierra
Specifications and certified data for the 2026 model year. All Gmc Sierra model years →
2026 US EPA fuel-economy records
| Year | Engine | Drive | Transmission | Fuel | MPG (US) comb. | CO₂ g/mi | EV range mi | Source |
|---|---|---|---|---|---|---|---|---|
| 2026 | 2.7 L 4-cyl | Rear-Wheel Drive | Automatic 8-spd | Regular | 19 | 472 | — | EPA ↗ |
| 2026 | 2.7 L 4-cyl | Rear-Wheel Drive | Automatic 8-spd | Regular | 20 | 464 | — | EPA ↗ |
| 2026 | 2.7 L 4-cyl | 4-Wheel Drive | Automatic 8-spd | Regular | 17 | 536 | — | EPA ↗ |
| 2026 | 2.7 L 4-cyl | 4-Wheel Drive | Automatic 8-spd | Regular | 18 | 491 | — | EPA ↗ |
| 2026 | 2.7 L 4-cyl | 4-Wheel Drive | Automatic 8-spd | Regular | 17 | 513 | — | EPA ↗ |
| 2026 | 3.0 L 6-cyl | Rear-Wheel Drive | Automatic 10-spd | Diesel | 25 | 402 | — | EPA ↗ |
| 2026 | 3.0 L 6-cyl | 4-Wheel Drive | Automatic 10-spd | Diesel | 24 | 428 | — | EPA ↗ |
| 2026 | 3.0 L 6-cyl | 4-Wheel Drive | Automatic 10-spd | Diesel | 23 | 451 | — | EPA ↗ |
| 2026 | 3.0 L 6-cyl | 4-Wheel Drive | Automatic 10-spd | Diesel | 19 | 524 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | Rear-Wheel Drive | Automatic 10-spd | Regular | 18 | 495 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | Rear-Wheel Drive | Automatic 10-spd | Regular | 17 | 514 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Gasoline or E85 | 17 | 524 | 288 | EPA ↗ |
| 2026 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Gasoline or E85 | 17 | 524 | 288 | EPA ↗ |
| 2026 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Regular | 17 | 522 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Regular | 16 | 561 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Regular | 16 | 550 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Regular | 16 | 567 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | Rear-Wheel Drive | Automatic 10-spd | Regular | 16 | 551 | — | EPA ↗ |
| 2026 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Regular | 15 | 592 | — | EPA ↗ |
| 2026 | 6.2 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Premium | 16 | 539 | — | EPA ↗ |
| 2026 | 6.2 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Premium | 15 | 593 | — | EPA ↗ |
| 2026 | 6.2 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Premium | 15 | 601 | — | EPA ↗ |
US EPA test figures (US MPG, US test cycle), fueleconomy.gov ↗, US government public domain.
US NHTSA safety ratings
| Vehicle | Overall | Front | Side | Rollover | Source |
|---|---|---|---|---|---|
| 2026 GMC SIERRA 1500 PU/EC N/A 4WD | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★☆ (4/5) | NHTSA ↗ |
| 2026 GMC SIERRA 1500 PU/EC N/A RWD | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★☆ (4/5) | NHTSA ↗ |
| 2026 GMC SIERRA 1500 PU/RC N/A 4WD | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★☆ (4/5) | NHTSA ↗ |
| 2026 GMC SIERRA 1500 PU/RC N/A RWD | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | ★★★★☆ (4/5) | NHTSA ↗ |
NHTSA 5-Star Safety Ratings (US government, public domain). US-market versions; not the same tests as Euro NCAP.
US safety recalls
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26V289000 2026-05-07 · model years 2026
POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
General Motors, LLC (GM) is recalling certain 2026 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL vehicles with four-wheel (4WD) or all-wheel drive (AWD), and certain 2015-2020 Suburban, Escalade, Escalade ESV, Yukon, Yukon XL, and Tahoe…
Remedy: Owners are advised not to drive their vehicle until the remedy is completed. Dealers will inspect and, if necessary, replace the transfer case assembly, free of charge. Owner notification letters were mailed May 18,…
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26V129000 2026-03-05 · model years 2025, 2026
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE
General Motors, LLC (GM) is recalling certain 2025-2026 Chevrolet Silverado 3500, and GMC Sierra 3500 vehicles with gasoline engines and dual fuel tanks (RPOs L8T and N2N). The rear fuel pump may not transfer adequate fuel to the front tank, causing an engine stall.
Remedy: The vehicle's engine control module (ECM) will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact GMC customer…
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26V114000 2026-02-26 · model years 2026
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette…
Remedy: Dealers will reset the vehicle radio, which will facilitate automatic download of the electronic owner’s manual, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GM customer…
NHTSA recalls database (US government, public domain). Recalls apply to US-market vehicles; check the manufacturer for your country.
Generation in 2026
Sources
- US EPA / DOE FuelEconomy.gov — https://www.fueleconomy.gov/feg/ws/index.shtmlUS Government public domain
- NHTSA 5-Star Safety Ratings API — https://api.nhtsa.gov/SafetyRatingsUS Government public domain
- NHTSA recalls database — https://www.nhtsa.gov/recallsUS Government public domain
- Car Model Index — https://models.autoculturesociety.com/Compiled record. Sources that do not permit reuse are not copied; this index is credited instead.