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2003 Peterbilt 378 MPG

Based on data from 1 vehicles, 6 fuel-ups and 2,646 miles of driving, the 2003 Peterbilt 378 gets a combined Avg MPG of 4.90 with a 0.34 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (14.29%) removed.

2003 Peterbilt 378s For Sale Nearby

  • Z05 (Betty)

    2003 Peterbilt 378 12.7L L6 DIESEL Manual Tractor Truck - Long Conventional
    Added Oct 2022 • 8 Fuel-ups

    Property of Zetrad76

  • 4.4 Avg MPG

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from other Peterbilt 378 vehicles (View All)

Tips

Save Fuel in Turns!

One great way to save fuel is to do minimal braking for turn... ...

by vtecintegra9

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