Chevrolet
Avalanche 1500 AWD
U.S. fuel economy and specifications from the EPA.

14Best combined MPG2003 model year
2003–2004Model years2 with EPA ratings
3Rated configurationsDrive, transmission and engine
5.3 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2003 14 MPG
2004 14 MPG
1 configuration.
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline or E85 · Sport Utility Vehicle - 4WD
- Combined MPG on regular gasoline
- 14
- Combined MPG on E85
- 11
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Sport Utility Vehicle - 4WD
- Combined MPG
- 13
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline or E85 · Sport Utility Vehicle - 4WD
- Combined MPG on regular gasoline
- 14
- Combined MPG on E85
- 11
- Engine displacement
- 5.3 L
- Cylinders
- 8