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.

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• 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

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