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1999 GMC K1500 Suburban MPG

Based on data from 23 vehicles, 1,136 fuel-ups and 409,180 miles of driving, the 1999 GMC K1500 Suburban gets a combined Avg MPG of 13.11 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 27 outliers (2.32%) removed.

Following shows the average MPG of each of the 23 vehicles in the system.

1999 GMC K1500 Suburbans For Sale Nearby

  • John

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Dec 2018 • 247 Fuel-ups

    Property of jdendy4

  • 11.4 Avg MPG
  • Lucy

    1999 GMC K1500 Suburban SLT 6.5L V8 DIESEL Automatic 4 Speed
    Added Jun 2021 • 16 Fuel-ups

    Property of kybarker

  • 16.7 Avg MPG
  • Suburban

    1999 GMC K1500 Suburban SLE 5.7L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 196 Fuel-ups

    Property of f-pig

  • 13.5 Avg MPG
  • 1999 K1500 Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed
    Added Jun 2022 • 14 Fuel-ups

    Property of wolson

  • 6.4 Avg MPG
  • My K1500 Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed
    Added Nov 2023 • 3 Fuel-ups

    Property of kbuecksler

  • 27.6 Avg MPG
  • My K1500 Suburban

    1999 GMC K1500 Suburban SLE 5.7L V8 GAS Automatic 4 Speed
    Added Oct 2023 • 5 Fuel-ups

    Property of shayjames

  • 9.0 Avg MPG
  • Humpty Dumpty

    1999 GMC K1500 Suburban SLE 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Sep 2013 • 269 Fuel-ups

    Property of LazySpread

  • 13.7 Avg MPG
  • Paula The Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Dec 2017 • 72 Fuel-ups

    Property of rickras20

  • 15.2 Avg MPG
  • The Burban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed
    Added Dec 2021 • 16 Fuel-ups

    Property of SubieQ

  • 12.7 Avg MPG
  • GMC

    1999 GMC K1500 Suburban SLE 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Mar 2018 • 33 Fuel-ups

    Property of xfilesbuff

  • 8.3 Avg MPG
  • Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Aug 2020 • 21 Fuel-ups

    Property of brighnic

  • 14.9 Avg MPG
  • BK K1500 Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed
    Added Dec 2018 • 61 Fuel-ups

    Property of BKSubDriver

  • 16.5 Avg MPG
  • GMC Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Apr 2019 • 21 Fuel-ups

    Property of Tripitaka

  • 14.1 Avg MPG
  • Subby

    1999 GMC K1500 Suburban SLE 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added May 2018 • 5 Fuel-ups

    Property of nagann

  • 17.3 Avg MPG
  • Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Feb 2018 • 18 Fuel-ups

    Property of twiggles

  • 12.7 Avg MPG
  • Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Nov 2017 • 90 Fuel-ups

    Property of filthyllama

  • 13.7 Avg MPG
  • 99 Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Aug 2016 • 13 Fuel-ups

    Property of mistaake

  • 12.2 Avg MPG
  • The Beast

    1999 GMC K1500 Suburban GAS V8
    Added Aug 2011 • 9 Fuel-ups

    Property of milehighassassin

  • 12.3 Avg MPG
  • Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Mar 2016 • 7 Fuel-ups

    Property of mackguy

  • 15.7 Avg MPG
  • 99 Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed Sport Utility
    Added Oct 2010 • 77 Fuel-ups

    Property of landisv

  • 14.4 Avg MPG

Tips

Cruise Control not always better

On flat or constant grades, the cruise works best for MPG. ... ...

by soutthpaw

Read more tips