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1999 GMC K1500 Suburban MPG

Based on data from 25 vehicles, 1,154 fuel-ups and 414,086 miles of driving, the 1999 GMC K1500 Suburban gets a combined Avg MPG of 13.05 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 27 outliers (2.29%) removed.

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

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  • 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
  • '99GMC Suburban 4X4, 5.7L V8

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Sport Utility (4 Door)
    Added Jul 2009 • 82 Fuel-ups

    Property of ksa63

  • 13.8 Avg MPG
  • GMC Suburban

    1999 GMC K1500 Suburban SLT 5.7L V8 GAS Automatic 4 Speed
    Added Mar 2018 • 11 Fuel-ups

    Property of Homer014

  • 15.9 Avg MPG
  • Big Dog, aka "Sebastian"

    1999 GMC K1500 Suburban GAS V8
    Added Apr 2013 • 25 Fuel-ups

    Property of 77Drives

  • 13.3 Avg MPG
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Recent Activity

from other GMC K1500 Suburban vehicles (View All)

Tips

Use a higher gear

If you have a standard shift like I do (that's the real way ... ...

by katiej88

Read more tips