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1999 GMC Sierra 2500 MPG

Based on data from 7 vehicles, 152 fuel-ups and 47,249 miles of driving, the 1999 GMC Sierra 2500 gets a combined Avg MPG of 12.82 with a 0.38 MPG margin of error.

Below you can see a distribution of the fuel-ups with 16 outliers (9.52%) removed.

Following shows the average MPG of each of the 7 vehicles in the system.

1999 GMC Sierra 2500s For Sale Nearby

  • My Sierra 2500

    1999 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 4 Speed
    Added Jan 2019 • 16 Fuel-ups

    Property of patsater

  • 9.5 Avg MPG
  • Ol Jim

    1999 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jun 2019 • 35 Fuel-ups

    Property of Gamestern269

  • 17.2 Avg MPG
  • HD

    1999 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2018 • 66 Fuel-ups

    Property of plugnickle

  • 14.0 Avg MPG
  • HD

    1999 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jun 2019 • 40 Fuel-ups

    Property of plugnickle

  • 14.1 Avg MPG
  • Clyde

    1999 GMC Sierra 2500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 22 Fuel-ups

    Property of cmurph314

  • 11.1 Avg MPG
  • My Sierra 2500

    1999 GMC Sierra 2500 SL 6.0L V8 GAS Automatic 4 Speed
    Added Jul 2017 • 4 Fuel-ups

    Property of chevyguy99

  • 13.9 Avg MPG
  • GMC 2500 6.0

    1999 GMC Sierra 2500 GAS V8
    Added Sep 2012 • 6 Fuel-ups

    Property of Radiantautos

  • 13.6 Avg MPG

Recent Activity

from other GMC Sierra 2500 vehicles (View All)

Tips

Never exceed speed limit

Sounds like common sense but every MPH extra above speed lim... ...

by dk

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