2014 GMC Sierra 2500 HD MPG

Based on data from 31 vehicles, 2,537 fuel-ups and 809,904 miles of driving, the 2014 GMC Sierra 2500 HD gets a combined Avg MPG of 12.73 with a 0.14 MPG margin of error.

Below you can see a distribution of the fuel-ups with 23 outliers (0.90%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

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• Duramax

  2014 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2017 • 50 Fuel-ups

  Property of wpatterson307

• 15.9 Avg MPG

• GMC 2500 HD

  2014 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Sep 2015 • 18 Fuel-ups

  Property of mattdyer75

• 28.3 Avg MPG

• My Sierra 2500 HD

  2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2017 • 67 Fuel-ups

  Property of Abnerllantz

• 10.4 Avg MPG

• My Sierra 2500 HD

  2014 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2018 • 15 Fuel-ups

  Property of gashog2018

• 8.9 Avg MPG

• DmaxZ71

  2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2015 • 82 Fuel-ups

  Property of Duramax62

• 18.5 Avg MPG

• Work truck 1064

  2014 GMC Sierra 2500 HD WT 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Nov 2017 • 12 Fuel-ups

  Property of allen1090

• 11.0 Avg MPG

• My Sierra 2500 HD

  2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 22 Fuel-ups

  Property of fschulte

• 11.0 Avg MPG

• Denali HD

  2014 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2014 • 127 Fuel-ups

  Property of Hawk06

• 1.5 Avg MPG

• 2500hd

  2014 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2014 • 14 Fuel-ups

  Property of guitar1999

• 15.0 Avg MPG

• XGMC HD CC

  2014 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2014 • 132 Fuel-ups

  Property of rpres62

• 15.5 Avg MPG

• 2500HD 6.0L

  2014 GMC Sierra 2500 HD GAS
  Added Nov 2013 • 44 Fuel-ups

  Property of dbh99

• 13.1 Avg MPG

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