GMC
Sierra 2500 HD 2WD CNG
U.S. fuel economy and specifications from the EPA.
9Best combined MPG2005 model year
2005Model years1 with EPA ratings
1Rated configurationDrive, transmission and engine
6 LEngine sizeDisplacement
1 configuration.
Rear-Wheel Drive · Automatic 4-spd
Natural gas · Standard Pickup Trucks 2WD
- Combined MPG
- 9
- Engine displacement
- 6.0 L
- Cylinders
- 8