Chevrolet
Silverado 4WD ZR2
U.S. fuel economy and specifications from the EPA.
21Best combined MPG2024 model year
2022–2026Model years5 with EPA ratings
7Rated configurationsDrive, transmission and engine
3–6.2 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2022 15 MPG
2023 15 MPG
2024 21 MPG
2025 21 MPG
2026 15 MPG
1 configuration.
4-Wheel Drive · Automatic 10-spd
Premium gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 6.2 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Diesel · Standard Pickup Trucks 4WD
- Combined MPG
- 21
- Engine displacement
- 3.0 L
- Cylinders
- 6
4-Wheel Drive · Automatic 10-spd
Premium gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 6.2 L
- Cylinders
- 8
2025 EPA test-car reference
Engine ratings from the EPA test-car reference.
| Engine rated hp | Displacement | Transmission | Drive |
|---|---|---|---|
| 305 | 3.0 L | Automatic · 10 gears | 4-Wheel Drive |
| 305 | 3.0 L | Automatic · 10 gears | All Wheel Drive |
4-Wheel Drive · Automatic 10-spd
Premium gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 6.2 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Diesel · Standard Pickup Trucks 4WD
- Combined MPG
- 21
- Engine displacement
- 3.0 L
- Cylinders
- 6
4-Wheel Drive · Automatic 10-spd
Premium gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 6.2 L
- Cylinders
- 8
4-Wheel Drive · Automatic 10-spd
Premium gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 6.2 L
- Cylinders
- 8