2023 GMC Sierra
The 2023 GMC Sierra is listed in 24 versions in the EPA fuel economy database, with 2.7 L 4-cyl turbo, 3.0 L 6-cyl turbo diesel, 5.3 L 8-cyl and 6.2 L 8-cyl powertrains. Combined fuel economy ranges from 15 to 26 MPG (best: 9.0 L/100 km).
Model year2023
Versions24
ClassSpecial Purpose Vehicle 2WD, Special Purpose Vehicle 4WD, Standard Pickup Trucks 2WD, Standard Pickup Trucks 4WD
Drive4-Wheel Drive, Rear-Wheel Drive
Engines, transmissions & fuel economy
| Version | Powertrain | Transmission | Drive | Fuel | MPG city / hwy / comb | L/100 km (comb) | CO2 g/mi | Class |
|---|---|---|---|---|---|---|---|---|
| Sierra 2WD | 2.7 L 4-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | Regular | 19 / 22 / 20 | 11.8 | 446 | Standard Pickup Trucks 2WD |
| Sierra 2WD | 2.7 L 4-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | Regular | 19 / 21 / 20 | 11.8 | 453 | Standard Pickup Trucks 2WD |
| Sierra 2WD | 3.0 L 6-cyl turbo diesel | Automatic 10-spd | Rear-Wheel Drive | Diesel | 24 / 29 / 26 | 9.0 | 396 | Standard Pickup Trucks 2WD |
| Sierra 2WD | 5.3 L 8-cyl | Automatic 10-spd | Rear-Wheel Drive | Gasoline or E85 | 16 / 20 / 18 | 13.1 | 496 | Standard Pickup Trucks 2WD |
| Sierra 2WD | 5.3 L 8-cyl | Automatic 10-spd | Rear-Wheel Drive | Regular | 16 / 21 / 18 | 13.1 | 493 | Standard Pickup Trucks 2WD |
| Sierra 2WD | 5.3 L 8-cyl | Automatic 10-spd | Rear-Wheel Drive | Regular | 16 / 20 / 18 | 13.1 | 500 | Standard Pickup Trucks 2WD |
| Sierra 2WD | 5.3 L 8-cyl | Automatic 10-spd | Rear-Wheel Drive | Regular | 16 / 21 / 18 | 13.1 | 493 | Standard Pickup Trucks 2WD |
| Sierra 4WD | 2.7 L 4-cyl turbo | Automatic 8-spd | 4-Wheel Drive | Regular | 18 / 20 / 19 | 12.4 | 468 | Standard Pickup Trucks 4WD |
| Sierra 4WD | 2.7 L 4-cyl turbo | Automatic 8-spd | 4-Wheel Drive | Regular | 18 / 20 / 19 | 12.4 | 467 | Standard Pickup Trucks 4WD |
| Sierra 4WD | 3.0 L 6-cyl turbo diesel | Automatic 10-spd | 4-Wheel Drive | Diesel | 22 / 27 / 24 | 9.8 | 423 | Standard Pickup Trucks 4WD |
| Sierra 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Gasoline or E85 | 15 / 19 / 17 | 13.8 | 524 | Standard Pickup Trucks 4WD |
| Sierra 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Regular | 16 / 20 / 17 | 13.8 | 523 | Standard Pickup Trucks 4WD |
| Sierra 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Regular | 16 / 20 / 17 | 13.8 | 523 | Standard Pickup Trucks 4WD |
| Sierra 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Regular | 15 / 19 / 17 | 13.8 | 535 | Standard Pickup Trucks 4WD |
| Sierra 4WD | 6.2 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Premium | 15 / 19 / 17 | 13.8 | 530 | Standard Pickup Trucks 4WD |
| Sierra 4WD AT4X | 6.2 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Premium | 14 / 17 / 15 | 15.7 | 585 | Standard Pickup Trucks 4WD |
| Sierra Cab Chassis 2WD | 5.3 L 8-cyl | Automatic 10-spd | Rear-Wheel Drive | Regular | 15 / 18 / 16 | 14.7 | 553 | Special Purpose Vehicle 2WD |
| Sierra Cab Chassis 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Regular | 15 / 17 / 16 | 14.7 | 564 | Special Purpose Vehicle 4WD |
| Sierra Mud Terrain Tires 4WD | 2.7 L 4-cyl turbo | Automatic 8-spd | 4-Wheel Drive | Regular | 17 / 18 / 17 | 13.8 | 512 | Standard Pickup Trucks 4WD |
| Sierra Mud Terrain Tires 4WD | 3.0 L 6-cyl turbo diesel | Automatic 10-spd | 4-Wheel Drive | Diesel | 21 / 23 / 22 | 10.7 | 463 | Standard Pickup Trucks 4WD |
| Sierra Mud Terrain Tires 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Gasoline or E85 | 15 / 19 / 17 | 13.8 | 524 | Standard Pickup Trucks 4WD |
| Sierra Mud Terrain Tires 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Regular | 15 / 18 / 16 | 14.7 | 554 | Standard Pickup Trucks 4WD |
| Sierra Mud Terrain Tires 4WD | 5.3 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Regular | 15 / 19 / 16 | 14.7 | 555 | Standard Pickup Trucks 4WD |
| Sierra Mud Terrain Tires 4WD | 6.2 L 8-cyl | Automatic 10-spd | 4-Wheel Drive | Premium | 14 / 17 / 15 | 15.7 | 585 | Standard Pickup Trucks 4WD |
Figures are EPA estimates for the U.S. market (U.S. gallons). Your mileage will vary. Transmissions: (S6) = 6-speed with manual select mode, (AV) = continuously variable, (AM) = automated manual.
Safety recalls
Check the NHTSA recall database for the 2023 GMC Sierra.