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1991 GMC C1500 MPG

Based on data from 6 vehicles, 111 fuel-ups and 27,018 miles of driving, the 1991 GMC C1500 gets a combined Avg MPG of 14.36 with a 0.53 MPG margin of error.

Below you can see a distribution of the fuel-ups with 8 outliers (6.72%) removed.

Following shows the average MPG of each of the 6 vehicles in the system.

1991 GMC C1500s For Sale Nearby

  • 1991 GMC T56

    1991 GMC C1500 Sierra 5.7L V8 GAS Manual 6 Speed Standard Cab Pickup
    Added Aug 2017 • 25 Fuel-ups

    Property of c12segy

  • 16.3 Avg MPG
  • My C1500

    1991 GMC C1500 Sierra SLE 4.3L V6 GAS Automatic 4 Speed
    Added Feb 2017 • 40 Fuel-ups

    Property of Johnnypop

  • 14.2 Avg MPG
  • Theresa's truck

    1991 GMC C1500 Sierra 4.3L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 74 Fuel-ups

    Property of slo-mo-shun

  • 16.4 Avg MPG
  • My C1500

    1991 GMC C1500 Sierra SLE 4.3L V6 GAS Standard 5 Speed
    Added Nov 2017 • 9 Fuel-ups

    Property of tj060409

  • 12.4 Avg MPG
  • Pick Up Truck GMC 1991

    1991 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
    Added Apr 2017 • 13 Fuel-ups

    Property of Gabriel_E

  • 11.3 Avg MPG
  • My C1500

    1991 GMC C1500 Sierra 5.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Feb 2017 • 38 Fuel-ups

    Property of macpro19

  • 15.2 Avg MPG

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