1988 GMC S15 MPG

Based on data from 2 vehicles, 54 fuel-ups and 16,331 miles of driving, the 1988 GMC S15 gets a combined Avg MPG of 21.66 with a 0.69 MPG margin of error.

Below you can see a distribution of the fuel-ups with 3 outliers (5.26%) removed.

Following shows the average MPG of each of the 2 vehicles in the system.

1988 GMC S15s For Sale Nearby

  • S15

    1988 GMC S15 Sierra Classic 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
    Added Nov 2012 • 48 Fuel-ups

    Property of LazySpread

  • 21.3 Avg MPG
  • Betsy

    1988 GMC S15 2.5L GAS L4 Standard 5 Standard Cab Pickup (2 Door)
    Added Sep 2014 • 13 Fuel-ups

    Property of jmader

  • 25.4 Avg MPG

Recent Activity

from other GMC S15 vehicles (View All)


Try not to stop at red lights and in dense tr

Every time you stop your vehicle, the energy required to get... ...

by dorkdog

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