1998 GMC C1500 MPG

Based on data from 15 vehicles, 858 fuel-ups and 199,391 miles of driving, the 1998 GMC C1500 gets a combined Avg MPG of 13.58 with a 0.19 MPG margin of error.

Below you can see a distribution of the fuel-ups with 38 outliers (4.24%) removed.

Following shows the average MPG of each of the 15 vehicles in the system.

1998 GMC C1500s For Sale Nearby

  • Sierra 1500

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 184 Fuel-ups

    Property of jdegraaf

  • 13.9 Avg MPG
  • GMC Sierra 1500

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 19 Fuel-ups

    Property of tleader

  • 23.2 Avg MPG
  • GMC

    1998 GMC C1500 Sierra SL 5.0L V8 GAS Automatic 4 Speed
    Added Jan 2017 • 64 Fuel-ups

    Property of dmahall

  • 15.1 Avg MPG
  • Truck

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Feb 2014 • 137 Fuel-ups

    Property of vortec5700

  • 12.6 Avg MPG
  • My C1500

    1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
    Added Feb 2017 • 5 Fuel-ups

    Property of hawgfanman

  • 14.8 Avg MPG
  • 1998 GMC Sierra

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 84 Fuel-ups

    Property of imzippy

  • 11.4 Avg MPG
  • GMC 1500 Sierra

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 288 Fuel-ups

    Property of Kawika858

  • 13.3 Avg MPG
  • Bertha

    1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Feb 2015 • 32 Fuel-ups

    Property of satxwy

  • 15.8 Avg MPG
  • Gimmick

    1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Dec 2013 • 54 Fuel-ups

    Property of IndyFetch

  • 18.4 Avg MPG
  • Pickup

    1998 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 4 Standard Cab Pickup (2 Door)
    Added May 2013 • 16 Fuel-ups

    Property of CFlath

  • 17.9 Avg MPG
  • GMC Z-71

    1998 GMC C1500 GAS V8
    Added Jul 2013 • 10 Fuel-ups

    Property of uabecker

  • 13.0 Avg MPG
  • GMC

    1998 GMC C1500 GAS V8
    Added Nov 2011 • 9 Fuel-ups

    Property of Chili

  • 13.2 Avg MPG
  • Denver

    1998 GMC C1500 GAS V8
    Added Mar 2011 • 57 Fuel-ups

    Property of NMBeretta

  • 16.9 Avg MPG
  • Truck

    1998 GMC C1500 GAS
    Added Jul 2011 • 3 Fuel-ups

    Property of sstand

  • 14.6 Avg MPG
  • Blue GMC

    1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 5 Fuel-ups

    Property of courtrix

  • 14.4 Avg MPG

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