Based on data from 61 vehicles, 4,966 fuel-ups and 1,750,187 miles of driving, the 2011 GMC Sierra 2500 HD gets a combined Avg MPG of 13.59 with a 0.08 MPG margin of error.

Any Engine Type 6.0L V8 FLEX (6) 6.0L V8 GAS (5) 6.6L V8 DIESEL (36) GAS (1) V8 DIESEL (8) V8 GAS (4) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (3) Crew Cab Pickup (13) Any Submodel WT (3) SLE (12) Denali (16) SLT (17) Other (13)

Below you can see a distribution of the fuel-ups with 199 outliers (3.85%) removed.

Following shows the average MPG of each of the 61 vehicles in the system.

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• Truck

  2011 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed Extended Cab Pickup
  Added Jul 2014 • 15 Fuel-ups

  Property of jtaylor234

• 12.5 Avg MPG

• 1032

  2011 GMC Sierra 2500 HD WT 6.0L V8 FLEX Automatic 6 Speed Standard Cab Pickup
  Added Nov 2015 • 23 Fuel-ups

  Property of BigDCompanies

• 7.7 Avg MPG

• Red Baron

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2015 • 6 Fuel-ups

  Property of Volnut

• 13.3 Avg MPG

• Sierra

  2011 GMC Sierra 2500 HD GAS
  Added Feb 2013 • 69 Fuel-ups

  Property of eastcoasthd

• 12.2 Avg MPG

• Orca

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
  Added Sep 2015 • 34 Fuel-ups

  Property of 2011Orca

• 14.7 Avg MPG

• GMC DURAMAX

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2018 • 47 Fuel-ups

  Property of jbelias

• 16.3 Avg MPG

• GMC

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 141 Fuel-ups

  Property of rellisee

• 14.1 Avg MPG

• Kiwi lml

  2011 GMC Sierra 2500 HD DIESEL V8
  Added Apr 2014 • 110 Fuel-ups

  Property of kiwilml

• 14.8 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD WT 6.0L FLEX V8 Automatic 6 Cab & Chassis (4 Door)
  Added Sep 2014 • 20 Fuel-ups

  Property of EvilRoySlade

• 11.6 Avg MPG

• Sierra

  2011 GMC Sierra 2500 HD GAS V8
  Added Jul 2011 • 306 Fuel-ups

  Property of theMax

• 14.0 Avg MPG

• 2011 Sierra Denali

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2016 • 173 Fuel-ups

  Property of LynnE24

• 15.5 Avg MPG

• GMC Sierra

  2011 GMC Sierra 2500 HD SLT 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Oct 2014 • 4 Fuel-ups

  Property of ericinga

• 16.3 Avg MPG

• Scot 2500HD

  2011 GMC Sierra 2500 HD GAS V8
  Added Apr 2011 • 56 Fuel-ups

  Property of Hawk

• 13.1 Avg MPG

• GMC Truck

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2016 • 138 Fuel-ups

  Property of klieber

• 14.1 Avg MPG

• Miles

  2011 GMC Sierra 2500 HD DIESEL V8
  Added Jul 2011 • 98 Fuel-ups

  Property of 92teg92

• 13.8 Avg MPG

• Sierra

  2011 GMC Sierra 2500 HD DIESEL V8
  Added Aug 2012 • 49 Fuel-ups

  Property of jpnels71

• 13.7 Avg MPG

• DMAX

  2011 GMC Sierra 2500 HD DIESEL V8
  Added Mar 2014 • 4 Fuel-ups

  Property of CampyWampy

• 15.0 Avg MPG

• DMax

  2011 GMC Sierra 2500 HD DIESEL V8
  Added Dec 2012 • 39 Fuel-ups

  Property of MikeT73CJ

• 12.9 Avg MPG

• Sierra+5KTT

  2011 GMC Sierra 2500 HD DIESEL V8
  Added Aug 2012 • 17 Fuel-ups

  Property of jpnels71

• 10.6 Avg MPG

• 2500HD

  2011 GMC Sierra 2500 HD GAS V8
  Added Feb 2012 • 9 Fuel-ups

  Property of paulsg8

• 10.4 Avg MPG

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