GMC
Sierra Classic 1500 4WD
U.S. fuel economy and specifications from the EPA.

15Best combined MPG2007 model year
2007Model years1 with EPA ratings
6Rated configurationsDrive, transmission and engine
4.3–6 LEngine sizeDisplacement
6 configurations.
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
4-Wheel or All-Wheel Drive · Manual 5-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 4.8 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 15
- Engine displacement
- 5.3 L
- Cylinders
- 8
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
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline or E85 · Standard Pickup Trucks 4WD
- Combined MPG on regular gasoline
- 15
- Combined MPG on E85
- 11
- Engine displacement
- 5.3 L
- Cylinders
- 8