Buick
Roadmaster
U.S. fuel economy and specifications from the EPA.

18Best combined MPG1992 model year
1992–1996Model years5 with EPA ratings
5Rated configurationsDrive, transmission and engine
5.7 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1992 18 MPG
1993 17 MPG
1994 18 MPG
1995 18 MPG
1996 18 MPG
1 configuration.
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 18
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 18
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Premium gasoline · Large Cars
- Combined MPG
- 18
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 17
- Engine displacement
- 5.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 18
- Engine displacement
- 5.7 L
- Cylinders
- 8