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1998 GMC C1500 MPG

Based on data from 25 vehicles, 1,585 fuel-ups and 361,524 miles of driving, the 1998 GMC C1500 gets a combined Avg MPG of 13.29 with a 0.14 MPG margin of error.

Below you can see a distribution of the fuel-ups with 62 outliers (3.76%) removed.

Following shows the average MPG of each of the 25 vehicles in the system.

1998 GMC C1500s For Sale Nearby

  • C1500

    1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
    Added Mar 2021 • 199 Fuel-ups

    Property of mattc05

  • 13.3 Avg MPG
  • My Sierra

    1998 GMC C1500 Sierra SLE 5.0L V8 GAS Automatic 4 Speed
    Added Apr 2023 • 86 Fuel-ups

    Property of GregHorak

  • 10.3 Avg MPG
  • GMC 1500 Sierra

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 432 Fuel-ups

    Property of Kawika858

  • 12.6 Avg MPG
  • 98 GMC

    1998 GMC C1500 Sierra SLT 4.3L V6 GAS Automatic 4 Speed
    Added Jul 2020 • 50 Fuel-ups

    Property of brunz

  • 15.9 Avg MPG
  • Sheila

    1998 GMC C1500 Sierra SL 4.3L V6 GAS Manual 5 Speed
    Added Mar 2022 • 17 Fuel-ups

    Property of realoatis13

  • 18.4 Avg MPG
  • 1998 GMC Sierra 1500

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 52 Fuel-ups

    Property of tleader

  • 19.6 Avg MPG
  • Truck

    1998 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
    Added Jun 2022 • 7 Fuel-ups

    Property of EKAssault

  • 13.2 Avg MPG
  • My C1500

    1998 GMC C1500 Sierra SLE 4.3L V6 GAS Automatic 4 Speed
    Added Nov 2022 • 11 Fuel-ups

    Property of blackandwhiteX6

  • 13.6 Avg MPG
  • Nyx

    1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
    Added Apr 2022 • 4 Fuel-ups

    Property of azninc13

  • 16.0 Avg MPG
  • Champagne Sierra

    1998 GMC C1500 Sierra SLE 5.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Sep 2018 • 50 Fuel-ups

    Property of Dugg

  • 15.9 Avg MPG
  • 1998 GMC Sierra

    1998 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 154 Fuel-ups

    Property of imzippy

  • 11.4 Avg MPG
  • Truck

    1998 GMC C1500 Sierra SL 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Nov 2018 • 50 Fuel-ups

    Property of Phazetic99

  • 14.9 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
  • 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

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