Buick
Regal/Century
U.S. fuel economy and specifications from the EPA.

21Best combined MPG1997 model year
1997Model years1 with EPA ratings
3Rated configurationsDrive, transmission and engine
3.1–3.8 LEngine sizeDisplacement
3 configurations.
Front-Wheel Drive · Automatic 4-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 21
- Engine displacement
- 3.1 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Regular gasoline · Midsize Cars
- Combined MPG
- 20
- Engine displacement
- 3.8 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Premium gasoline · Midsize Cars
- Combined MPG
- 19
- Engine displacement
- 3.8 L
- Cylinders
- 6