Buick GS 400 MPG
1 Buick GS 400s have provided 8 thousand miles of real world fuel economy & MPG data.
Click here to view only the Buick GS 400s with MPG currently participating in our fuel tracking program.
Buick GS 400s For Sale Nearby
- 1969
- 15.0 Avg MPG
- 1 Vehicle
- 31 Fuel-ups
- 7,729 Miles Tracked
- View All 1969 Buick GS 400s