GMC
Sierra Cab Chassis 4WD
U.S. fuel economy and specifications from the EPA.
16Best combined MPG2022 model year
2020–2026Model years7 with EPA ratings
12Rated configurationsDrive, transmission and engine
4.3–5.3 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2020 15 MPG
2021 15 MPG
2022 16 MPG
2023 16 MPG
2024 15 MPG
2025 15 MPG
2026 15 MPG
1 configuration.
4-Wheel Drive · Automatic 10-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 16
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 8-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 16
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 6-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 6-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
4-Wheel Drive · Automatic 6-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 14
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 6-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
4-Wheel Drive · Automatic 6-spd
Regular gasoline · Special Purpose Vehicle 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8