GMC
R15 Suburban 2WD
U.S. fuel economy and specifications from the EPA.
18Best combined MPG1987 model year
1987–1988Model years2 with EPA ratings
5Rated configurationsDrive, transmission and engine
5–6.2 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1987 18 MPG
1988 17 MPG
2 configurations.
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Special Purpose Vehicle 2WD
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Special Purpose Vehicle 2WD
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Special Purpose Vehicle 2WD
- Combined MPG
- 14
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Special Purpose Vehicle 2WD
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Special Purpose Vehicle 2WD
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8