Chevrolet
Silverado 2500 HD 2WD CNG
U.S. fuel economy and specifications from the EPA.
10Best combined MPG2004 model year
2004–2005Model years2 with EPA ratings
2Rated configurationsDrive, transmission and engine
6 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2004 10 MPG
2005 9 MPG
1 configuration.
Rear-Wheel Drive · Automatic 4-spd
Natural gas · Standard Pickup Trucks 2WD
- Combined MPG
- 9
- Engine displacement
- 6.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Natural gas · Standard Pickup Trucks 2WD
- Combined MPG
- 10
- Engine displacement
- 6.0 L
- Cylinders
- 8