GMC
Sierra Mud Terrain Tires 4WD

U.S. fuel economy and specifications from the EPA.

GMC Sierra 1500 full-size pickup as sold in the 2020s
23Best combined MPG2025 model year
2022–2026Model years5 with EPA ratings
31Rated configurationsDrive, transmission and engine
2.7–6.2 LEngine sizeDisplacement

Best combined MPG by model year

The highest EPA rating among each year's configurations.

2022 21 MPG
2023 22 MPG
2024 22 MPG
2025 23 MPG
2026 17 MPG

3 configurations.

4-Wheel Drive · Automatic 8-spd

Regular gasoline · Standard Pickup Trucks 4WD

Combined MPG
17
Engine displacement
2.7 L
Cylinders
4
EPA listing for this configuration: 2026, 4-Wheel Drive, Automatic 8-spd, 2.7 L, Regular

4-Wheel Drive · Automatic 10-spd

Premium gasoline · Standard Pickup Trucks 4WD

Combined MPG
15
Engine displacement
6.2 L
Cylinders
8
EPA listing for this configuration: 2026, 4-Wheel Drive, Automatic 10-spd, 6.2 L, Premium

4-Wheel Drive · Automatic 10-spd

Regular gasoline · Standard Pickup Trucks 4WD

Combined MPG
16
Engine displacement
5.3 L
Cylinders
8
EPA listing for this configuration: 2026, 4-Wheel Drive, Automatic 10-spd, 5.3 L, Regular

More California data