GMC
G15/25 Rally 2WD
U.S. fuel economy and specifications from the EPA.
19Best combined MPG1984 model year
1984–1992Model years9 with EPA ratings
64Rated configurationsDrive, transmission and engine
4.1–6.2 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1984 19 MPG
1985 18 MPG
1986 18 MPG
1987 18 MPG
1988 18 MPG
1989 18 MPG
1990 17 MPG
1991 17 MPG
1992 16 MPG
4 configurations.
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 16
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 16
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 17
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Manual 4-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 16
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Manual 4-spd
Diesel · Vans
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 16
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Manual 4-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Manual 4-spd
Diesel · Vans
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Manual 3-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Manual 4-spd
Diesel · Vans
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 16
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Manual 3-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Manual 3-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Vans
- Combined MPG
- 12
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Manual 4-spd
Diesel · Vans
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 16
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Manual 3-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 3-spd
Regular gasoline · Vans
- Combined MPG
- 12
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 5.0 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Manual 4-spd
Diesel · Vans
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 15
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Manual 3-spd
Regular gasoline · Vans
- Combined MPG
- 14
- Engine displacement
- 4.3 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans
- Combined MPG
- 12
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Diesel · Vans
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
2-Wheel Drive · Automatic 3-spd
Regular gasoline · Vans, Passenger Type
- Combined MPG
- 14
- Engine displacement
- 4.1 L
- Cylinders
- 6
2-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans, Passenger Type
- Combined MPG
- 14
- Engine displacement
- 4.1 L
- Cylinders
- 6
2-Wheel Drive · Manual 3-spd
Regular gasoline · Vans, Passenger Type
- Combined MPG
- 14
- Engine displacement
- 4.1 L
- Cylinders
- 6
2-Wheel Drive · Automatic 3-spd
Regular gasoline · Vans, Passenger Type
- Combined MPG
- 13
- Engine displacement
- 5.0 L
- Cylinders
- 8
2-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans, Passenger Type
- Combined MPG
- 13
- Engine displacement
- 5.0 L
- Cylinders
- 8
2-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans, Passenger Type
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
2-Wheel Drive · Automatic 4-spd
Diesel · Vans, Passenger Type
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
2-Wheel Drive · Manual 4-spd
Diesel · Vans, Passenger Type
- Combined MPG
- 18
- Engine displacement
- 6.2 L
- Cylinders
- 8
2-Wheel Drive · Automatic 4-spd
Regular gasoline · Vans, Passenger Type
- Combined MPG
- 13
- Engine displacement
- 5.7 L
- Cylinders
- 8
2-Wheel Drive · Automatic 4-spd
Diesel · Vans, Passenger Type
- Combined MPG
- 17
- Engine displacement
- 6.2 L
- Cylinders
- 8
2-Wheel Drive · Manual 4-spd
Diesel · Vans, Passenger Type
- Combined MPG
- 19
- Engine displacement
- 6.2 L
- Cylinders
- 8