GMC
V15 Suburban 4WD
U.S. fuel economy and specifications from the EPA.

16Best combined MPG1987 model year
1987–1988Model years2 with EPA ratings
7Rated configurationsDrive, transmission and engine
5.7–6.2 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1987 16 MPG
1988 16 MPG
3 configurations.
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Special Purpose Vehicles
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Manual 4-spd
Regular gasoline · Special Purpose Vehicles
- Combined MPG
- 11
- Engine displacement
- 5.7 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Diesel · Special Purpose Vehicles
- Combined MPG
- 16
- Engine displacement
- 6.2 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Diesel · Special Purpose Vehicle 4WD
- Combined MPG
- 16
- Engine displacement
- 6.2 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Special Purpose Vehicles
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Manual 4-spd
Regular gasoline · Special Purpose Vehicles
- Combined MPG
- 11
- Engine displacement
- 5.7 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Diesel · Special Purpose Vehicles
- Combined MPG
- 16
- Engine displacement
- 6.2 L
- Cylinders
- 8