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Buick GS 400 MPG

1 Buick GS 400s have provided 8 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

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Where you circulate the air counts

Many people know that the common defroster settings of winds... ...

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