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1989 GMC C1500 MPG

Based on data from 3 vehicles, 23 fuel-ups and 5,896 miles of driving, the 1989 GMC C1500 gets a combined Avg MPG of 13.22 with a 1.54 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.

Following shows the average MPG of each of the 3 vehicles in the system.

1989 GMC C1500s For Sale Nearby

  • Skip

    1989 GMC C1500 Sierra 6.2L V8 DIESEL Automatic 4 Speed
    Added Mar 2019 • 8 Fuel-ups

    Property of PatGriffin

  • 17.1 Avg MPG
  • 89 GMC

    1989 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Apr 2018 • 17 Fuel-ups

    Property of Condon

  • 11.8 Avg MPG
  • My C1500

    1989 GMC C1500 Sierra 5.7L V8 GAS Automatic 4 Speed
    Added Jul 2017 • 6 Fuel-ups

    Property of zielinskiwerdna

  • 12.8 Avg MPG

Recent Activity

from other GMC C1500 vehicles (View All)


Frequency re-inflating tyres

It is well-known that soft tyres push up consumption. I have... ...

by cydevil

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