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1999 GMC Sierra 1500 MPG

Based on data from 32 vehicles, 1,802 fuel-ups and 457,727 miles of driving, the 1999 GMC Sierra 1500 gets a combined Avg MPG of 14.14 with a 0.14 MPG margin of error.

Below you can see a distribution of the fuel-ups with 71 outliers (3.79%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

1999 GMC Sierra 1500s For Sale Nearby

  • 1999 Service Truck

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Aug 2016 • 121 Fuel-ups

    Property of EONI

  • 13.5 Avg MPG
  • GMC Pickup

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jun 2018 • 106 Fuel-ups

    Property of Fr8Ddy

  • 15.9 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Feb 2018 • 18 Fuel-ups

    Property of clintmccoy

  • 16.3 Avg MPG
  • GMC Sierra

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jan 2018 • 155 Fuel-ups

    Property of jndelisl

  • 16.9 Avg MPG
  • Sierra

    1999 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
    Added Oct 2017 • 28 Fuel-ups

    Property of bhagedorn

  • 14.5 Avg MPG
  • Walter Beard

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Apr 2018 • 24 Fuel-ups

    Property of roguemale

  • 14.0 Avg MPG
  • Sierra

    1999 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Standard Cab Pickup (2 Door)
    Added Aug 2015 • 13 Fuel-ups

    Property of katjlr

  • 17.3 Avg MPG
  • SilverGMC

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Feb 2015 • 21 Fuel-ups

    Property of 80Gator

  • 13.6 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2017 • 18 Fuel-ups

    Property of squidhunter

  • 15.7 Avg MPG
  • Truck

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Apr 2017 • 193 Fuel-ups

    Property of Darcie

  • 18.4 Avg MPG
  • sierra 4 door

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
    Added Jun 2011 • 136 Fuel-ups

    Property of Pauly

  • 13.2 Avg MPG
  • GMC

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added May 2017 • 90 Fuel-ups

    Property of seanhouston

  • 13.8 Avg MPG
  • GMC Sierra

    1999 GMC Sierra 1500 GAS V8
    Added Mar 2012 • 85 Fuel-ups

    Property of frescojulio103

  • 11.7 Avg MPG
  • Woody III

    1999 GMC Sierra 1500 SL
    Added Jul 2015 • 22 Fuel-ups

    Property of Data

  • 15.4 Avg MPG
  • GMC Truck

    1999 GMC Sierra 1500 SLT Extended Cab Pickup
    Added Jan 2016 • 32 Fuel-ups

    Property of pierceme

  • 16.4 Avg MPG
  • My Sierra 1500

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 9 Fuel-ups

    Property of danielm11

  • 9.4 Avg MPG
  • Sierra Ext 4.8L

    1999 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jun 2011 • 33 Fuel-ups

    Property of old450

  • 16.3 Avg MPG
  • 1999 GMC (Blaine)

    1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 163 Fuel-ups

    Property of gkarels

  • 11.3 Avg MPG
  • 1999 Sierra

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Oct 2015 • 4 Fuel-ups

    Property of m1000rr6

  • 13.2 Avg MPG
  • Gmc Sierra

    1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Mar 2018 • 6 Fuel-ups

    Property of aahall

  • 20.9 Avg MPG

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