2015 GMC Sierra 2500 HD MPG

Based on data from 110 vehicles, 9,257 fuel-ups and 3,004,232 miles of driving, the 2015 GMC Sierra 2500 HD gets a combined Avg MPG of 13.11 with a 0.07 MPG margin of error.

Below you can see a distribution of the fuel-ups with 122 outliers (1.30%) removed.

Following shows the average MPG of each of the 110 vehicles in the system.

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• My Sierra 2500 HD

  2015 GMC Sierra 2500 HD Denali 6.0L V8 GAS Automatic 6 Crew Cab Pickup (4 Door)
  Added Jun 2015 • 10 Fuel-ups

  Property of CANI

• 20.2 Avg MPG

• Diesel

  2015 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Mar 2015 • 21 Fuel-ups

  Property of racyb

• 15.5 Avg MPG

• '15 2500HD

  2015 GMC Sierra 2500 HD GAS
  Added May 2014 • 63 Fuel-ups

  Property of nosebleed

• 13.4 Avg MPG

• Sierra 2500HD 2WD Gas

  2015 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Crew Cab Pickup (4 Door)
  Added Dec 2014 • 4 Fuel-ups

  Property of JoeSierra

• 11.5 Avg MPG

• My Sierra 2500 HD

  2015 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added May 2015 • 5 Fuel-ups

  Property of eshankel

• 15.8 Avg MPG

• My Sierra 2500 HD

  2015 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Jan 2015 • 3 Fuel-ups

  Property of avgroot

• 13.6 Avg MPG

• CC

  2015 GMC Sierra 2500 HD 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Jul 2014 • 20 Fuel-ups

  Property of logicbyondreason

• 13.2 Avg MPG

• My Sierra 2500 HD

  2015 GMC Sierra 2500 HD 6.0L CNG V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Dec 2014 • 17 Fuel-ups

  Property of BTholen

• 12.2 Avg MPG

• Ruby

  2015 GMC Sierra 2500 HD SLT 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Oct 2014 • 15 Fuel-ups

  Property of Docoptic

• 14.5 Avg MPG

• Tiguan

  2015 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2016 • 10 Fuel-ups

  Property of rjswez

• 24.1 Avg MPG

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