Based on data from 55 vehicles, 4,128 fuel-ups and 1,289,307 miles of driving, the 2013 GMC Sierra 2500 HD gets a combined Avg MPG of 12.52 with a 0.11 MPG margin of error.

Any Engine Type 6.0L V8 CNG (3) 6.0L V8 FLEX (9) 6.0L V8 GAS (2) 6.6L V8 DIESEL (36) DIESEL (1) V8 DIESEL (3) V8 GAS (1) Any Body Style Extended Cab Pickup (6) Crew Cab Pickup (11) Any Submodel WT (4) Denali (12) SLE (17) SLT (17) Other (5)

Below you can see a distribution of the fuel-ups with 77 outliers (1.83%) removed.

Following shows the average MPG of each of the 55 vehicles in the system.

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• My Sierra 2500 HD

  2013 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
  Added Oct 2017 • 7 Fuel-ups

  Property of Abnerllantz

• 8.4 Avg MPG

• Truck

  2013 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 155 Fuel-ups

  Property of entech

• 11.4 Avg MPG

• My Sierra 2500 HD

  2013 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2017 • 7 Fuel-ups

  Property of ChrisG1823

• 12.3 Avg MPG

• Denali Duramax

  2013 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2016 • 164 Fuel-ups

  Property of PowerHouse

• 16.6 Avg MPG

• My Sierra 2500 HD

  2013 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2016 • 6 Fuel-ups

  Property of jgmeess

• 14.5 Avg MPG

• 2013 Sierra

  2013 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
  Added Jun 2015 • 42 Fuel-ups

  Property of theMax

• 11.7 Avg MPG

• Forerunner truck

  2013 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2016 • 3 Fuel-ups

  Property of LBrsch0402

• 10.1 Avg MPG

• Knocker

  2013 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2013 • 70 Fuel-ups

  Property of roooster

• 12.3 Avg MPG

• 2500HD

  2013 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
  Added Nov 2015 • 3 Fuel-ups

  Property of rbranje

• 14.1 Avg MPG

• Denali

  2013 GMC Sierra 2500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Aug 2013 • 4 Fuel-ups

  Property of tabraha

• 19.1 Avg MPG

• Sierra 2500HD Duramax

  2013 GMC Sierra 2500 HD DIESEL V8
  Added Nov 2013 • 15 Fuel-ups

  Property of brando7010

• 15.0 Avg MPG

• Truck

  2013 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 50 Fuel-ups

  Property of MYOR91ZV

• 14.7 Avg MPG

• Truck

  2013 GMC Sierra 2500 HD DIESEL
  Added May 2013 • 35 Fuel-ups

  Property of MYOR91ZV

• 14.4 Avg MPG

• BRT

  2013 GMC Sierra 2500 HD DIESEL V8
  Added Jul 2013 • 18 Fuel-ups

  Property of Sparkie4

• 14.7 Avg MPG

• GMC 2500 HD

  2013 GMC Sierra 2500 HD DIESEL V8
  Added Apr 2010 • 3 Fuel-ups

  Property of dieselguy8599

• 13.3 Avg MPG

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