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2015 GMC Sierra 1500 MPG

Based on data from 207 vehicles, 20,356 fuel-ups and 5,962,048 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.78 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 611 outliers (2.91%) removed.

Following shows the average MPG of each of the 207 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Rented XTS

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 4 Fuel-ups

    Property of jrulapaugh

  • 22.6 Avg MPG
  • GMC All Terrain

    2015 GMC Sierra 1500 All Terrain
    Added Sep 2016 • 14 Fuel-ups

    Property of cavfam

  • 15.8 Avg MPG
  • 6.2L Denali

    2015 GMC Sierra 1500 Denali 6.2L GAS V8 Automatic 8 Crew Cab Pickup (4 Door)
    Added Mar 2015 • 3 Fuel-ups

    Property of bfalke1

  • 14.9 Avg MPG
  • Sierra SLE Max Tow

    2015 GMC Sierra 1500 SLE 5.3L GAS V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Dec 2014 • 7 Fuel-ups

    Property of GasInTheTank

  • 18.6 Avg MPG
  • Keith's Truck

    2015 GMC Sierra 1500 All Terrain
    Added Sep 2016 • 122 Fuel-ups

    Property of cavfam

  • 14.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Jan 2015 • 3 Fuel-ups

    Property of windward_coug

  • 17.1 Avg MPG
  • GMC Denali

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 423 Fuel-ups

    Property of kpwaterdoc

  • 9.9 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

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Be nice to your clutch

On the occasions you are stopped at a traffic light, put the... ...

by storeman

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