GMC
Sierra 2WD

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

GMC Sierra 1500 full-size pickup as sold in the 2020s
26Best combined MPG2020 model year
2020–2026Model years7 with EPA ratings
47Rated configurationsDrive, transmission and engine
2.7–5.3 LEngine sizeDisplacement

Best combined MPG by model year

The highest EPA rating among each year's configurations.

2020 26 MPG
2021 26 MPG
2022 26 MPG
2023 26 MPG
2024 25 MPG
2025 26 MPG
2026 25 MPG

3 configurations.

Rear-Wheel Drive · Automatic 8-spd

Regular gasoline · Standard Pickup Trucks 2WD

Combined MPG
20
Engine displacement
2.7 L
Cylinders
4
EPA listing for this configuration: 2026, Rear-Wheel Drive, Automatic 8-spd, 2.7 L, Regular

Rear-Wheel Drive · Automatic 10-spd

Regular gasoline · Standard Pickup Trucks 2WD

Combined MPG
17
Engine displacement
5.3 L
Cylinders
8
EPA listing for this configuration: 2026, Rear-Wheel Drive, Automatic 10-spd, 5.3 L, Regular

Rear-Wheel Drive · Automatic 10-spd

Diesel · Standard Pickup Trucks 2WD

Combined MPG
25
Engine displacement
3.0 L
Cylinders
6
EPA listing for this configuration: 2026, Rear-Wheel Drive, Automatic 10-spd, 3.0 L, Diesel

More California data