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1984 GMC S15 MPG

Based on data from 4 vehicles, 66 fuel-ups and 32,798 miles of driving, the 1984 GMC S15 gets a combined Avg MPG of 33.05 with a 0.78 MPG margin of error.

Below you can see a distribution of the fuel-ups with 14 outliers (17.50%) removed.

Following shows the average MPG of each of the 4 vehicles in the system.

  • My S15

    1984 GMC S15 2.8L V6 GAS Manual 5 Speed
    Added Jan 2023 • 3 Fuel-ups

    Property of Hubbs

  • 15.1 Avg MPG
  • S-15

    1984 GMC S15 High Sierra 2.2L L4 DIESEL Manual 5 Speed Extended Cab Pickup
    Added Aug 2011 • 64 Fuel-ups

    Property of grete

  • 33.6 Avg MPG
  • My S15

    1984 GMC S15 Sierra Classic 2.8L V6 GAS Manual 5 Speed
    Added Jun 2021 • 12 Fuel-ups

    Property of RandD

  • 16.4 Avg MPG
  • Gypsy

    1984 GMC S15 Sierra Classic 2.2L L4 DIESEL Standard 4 Speed Extended Cab Pickup
    Added Jan 2018 • 5 Fuel-ups

    Property of mmasberg

  • 26.4 Avg MPG

Recent Activity

from other GMC S15 vehicles (View All)

Tips

do not coast in neutral

contrary to the fuelly tip "coast", you should not coast to ... ...

by CowtanGoesMoo

Read more tips