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1969 Buick GS 400 MPG

Based on data from 1 vehicles, 30 fuel-ups and 7,550 miles of driving, the 1969 Buick GS 400 gets a combined Avg MPG of 15.15 with a 2.60 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (3.23%) removed.

1969 Buick GS 400s For Sale Nearby

  • Gs

    1969 Buick GS 400 6.6L V8 GAS
    Added Apr 2020 • 32 Fuel-ups

    Property of GS400

  • 16.0 Avg MPG

Tips

Cruise Control not always better

On flat or constant grades, the cruise works best for MPG. ... ...

by soutthpaw

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