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1999 GMC Sierra 1500 MPG

Based on data from 44 vehicles, 2,273 fuel-ups and 598,714 miles of driving, the 1999 GMC Sierra 1500 gets a combined Avg MPG of 13.97 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 69 outliers (2.95%) removed.

Following shows the average MPG of each of the 44 vehicles in the system.

1999 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    1999 GMC Sierra 1500 SL 4.3L V6 GAS Manual 5 Speed
    Added Jan 2022 • 45 Fuel-ups

    Property of Bridewell1

  • 11.6 Avg MPG
  • Sierra

    1999 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
    Added Oct 2017 • 112 Fuel-ups

    Property of bhagedorn

  • 12.3 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2021 • 29 Fuel-ups

    Property of keith_284

  • 11.6 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Feb 2018 • 134 Fuel-ups

    Property of clintmccoy

  • 15.6 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2019 • 18 Fuel-ups

    Property of hoffajd

  • 16.5 Avg MPG
  • Blue work truck

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2019 • 49 Fuel-ups

    Property of cdizzle

  • 11.2 Avg MPG
  • Plow Truck

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Jul 2020 • 10 Fuel-ups

    Property of drconnelly85

  • 12.8 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Apr 2022 • 10 Fuel-ups

    Property of aretz94

  • 15.0 Avg MPG
  • Sierra

    1999 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Standard Cab Pickup (2 Door)
    Added Aug 2015 • 22 Fuel-ups

    Property of katjlr

  • 18.1 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2021 • 10 Fuel-ups

    Property of joebro28

  • 14.8 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Feb 2020 • 58 Fuel-ups

    Property of ChadButtke

  • 13.3 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Oct 2020 • 12 Fuel-ups

    Property of xxhybridxx

  • 16.5 Avg MPG
  • Truck

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Extended Cab Pickup
    Added Jan 2020 • 35 Fuel-ups

    Property of EY44

  • 15.9 Avg MPG
  • Walter Beard

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Apr 2018 • 39 Fuel-ups

    Property of roguemale

  • 13.4 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added May 2019 • 7 Fuel-ups

    Property of 405g

  • 14.8 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2019 • 14 Fuel-ups

    Property of reyes_gabriel350

  • 14.3 Avg MPG
  • GMC Pickup

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jun 2018 • 137 Fuel-ups

    Property of Fr8Ddy

  • 15.7 Avg MPG
  • Old fuck truck

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jul 2018 • 39 Fuel-ups

    Property of Robertk9

  • 14.5 Avg MPG
  • Truck

    1999 GMC Sierra 1500 SLT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Feb 2019 • 187 Fuel-ups

    Property of kstevens

  • 14.7 Avg MPG
  • SilverGMC

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Feb 2015 • 23 Fuel-ups

    Property of 80Gator

  • 13.5 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Drive in higher gears

On my old car I would always shift the automatic transmissio... ...

by Barquito

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