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1998 GMC C1500 MPG

Based on data from 21 vehicles, 1,192 fuel-ups and 280,919 miles of driving, the 1998 GMC C1500 gets a combined Avg MPG of 13.74 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 54 outliers (4.33%) removed.

Following shows the average MPG of each of the 21 vehicles in the system.

1998 GMC C1500s For Sale Nearby

  • My C1500

    1998 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 4 Speed
    Added Sep 2017 • 102 Fuel-ups

    Property of djmoose_1272

  • 16.8 Avg MPG
  • 1998 GMC Sierra

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 145 Fuel-ups

    Property of imzippy

  • 11.5 Avg MPG
  • Truck

    1998 GMC C1500 Sierra SL 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Nov 2018 • 37 Fuel-ups

    Property of Phazetic99

  • 14.9 Avg MPG
  • GMC 1500 Sierra

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 334 Fuel-ups

    Property of Kawika858

  • 13.0 Avg MPG
  • Champagne Sierra

    1998 GMC C1500 Sierra SLE 5.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Sep 2018 • 16 Fuel-ups

    Property of Dugg

  • 14.5 Avg MPG
  • GMC Sierra 1500

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 37 Fuel-ups

    Property of tleader

  • 20.9 Avg MPG
  • My C1500

    1998 GMC C1500 Sierra SL 5.7L V8 GAS Automatic 4 Speed
    Added Oct 2018 • 3 Fuel-ups

    Property of brett77

  • 13.6 Avg MPG
  • Blue

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Feb 2018 • 42 Fuel-ups

    Property of rodge1sj

  • 14.9 Avg MPG
  • Pickup

    1998 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 3 Speed Standard Cab Pickup
    Added May 2013 • 21 Fuel-ups

    Property of CFlath

  • 17.1 Avg MPG
  • Sierra 1500

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Sep 2016 • 207 Fuel-ups

    Property of jdegraaf

  • 13.2 Avg MPG
  • GMC

    1998 GMC C1500 Sierra SL 5.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jan 2017 • 75 Fuel-ups

    Property of dmahall

  • 15.4 Avg MPG
  • My C1500

    1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
    Added Feb 2017 • 10 Fuel-ups

    Property of hawgfanman

  • 15.0 Avg MPG
  • Truck

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Feb 2014 • 153 Fuel-ups

    Property of vortec5700

  • 12.9 Avg MPG
  • Truck

    1998 GMC C1500 Sierra SL 5.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2017 • 17 Fuel-ups

    Property of abdiel1179

  • 15.2 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
  • GMC Z-71

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

    Property of uabecker

  • 13.0 Avg MPG
  • Denver

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

    Property of NMBeretta

  • 16.9 Avg MPG
  • GMC truck

    1998 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
    Added Oct 2017 • 13 Fuel-ups

    Property of edenfijd

  • 18.2 Avg MPG
  • Truck

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

    Property of sstand

  • 14.6 Avg MPG

Recent Activity

from other GMC C1500 vehicles (View All)

Tips

New air filters don't change MPG

Contrary to popular belief, especially what you'll hear from... ...

by Hexadecimus

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