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1999 GMC Sierra 2500 MPG

Based on data from 7 vehicles, 123 fuel-ups and 38,384 miles of driving, the 1999 GMC Sierra 2500 gets a combined Avg MPG of 13.07 with a 0.36 MPG margin of error.

Below you can see a distribution of the fuel-ups with 15 outliers (10.87%) 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 • 11 Fuel-ups

    Property of patsater

  • 8.4 Avg MPG
  • HD

    1999 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2018 • 62 Fuel-ups

    Property of plugnickle

  • 14.0 Avg MPG
  • Ol Jim

    1999 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jun 2019 • 11 Fuel-ups

    Property of Gamestern269

  • 26.9 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

Accelerate a bit...sometimes

Though some people will tell you never to accelerate quickly... ...

by jjmatt33

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