GMC
Sierra Classic 1500 AWD
U.S. fuel economy and specifications from the EPA.

14Best combined MPG2007 model year
2007Model years1 with EPA ratings
1Rated configurationDrive, transmission and engine
6 LEngine sizeDisplacement
1 configuration.
4-Wheel or All-Wheel Drive · Automatic 4-spd
Premium gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 14
- Engine displacement
- 6.0 L
- Cylinders
- 8