Click here to see important news regarding the aCar App

Buick GS 400 MPG

1 Buick GS 400s have provided 7 thousand miles of real world fuel economy & MPG data.
Click here to view all the Buick GS 400s currently participating in our fuel tracking program.

Buick GS 400s For Sale Nearby

Recent Activity

from other Buick GS 400 vehicles (View All)

Tips

Coast In Gear

Lift off & let the engine do the braking instead of only usi... ...

by Deaks25

Read more tips