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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


Keep Tailgates Closed

Always leave your tailgate up if you have a pickup truck wit... ...

by JohnnyEm

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