Based on data from 61 vehicles, 4,964 fuel-ups and 1,749,529 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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• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2021 • 15 Fuel-ups

  Property of ABond10

• 13.4 Avg MPG

• CoopsDenali

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2021 • 191 Fuel-ups

  Property of Coops1

• 13.3 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2021 • 13 Fuel-ups

  Property of toxic4991

• 15.0 Avg MPG

• Duramax

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 85 Fuel-ups

  Property of erwin8t

• 14.7 Avg MPG

• Aly

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2020 • 6 Fuel-ups

  Property of alexmillatime

• 15.5 Avg MPG

• New Vet Truck

  2011 GMC Sierra 2500 HD WT Automatic 6 Speed
  Added Mar 2018 • 486 Fuel-ups

  Property of jarodeddydvm

• 13.7 Avg MPG

• Silver Truck

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2018 • 159 Fuel-ups

  Property of Sullivan907

• 15.7 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2019 • 32 Fuel-ups

  Property of walker23

• 16.8 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2020 • 5 Fuel-ups

  Property of tater719

• 13.1 Avg MPG

• GMC DIERA 2500

  2011 GMC Sierra 2500 HD EXT V8 GAS
  Added Sep 2019 • 10 Fuel-ups

  Property of DavisFamily

• 12.4 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2018 • 6 Fuel-ups

  Property of BMCchief

• 15.7 Avg MPG

• SNL Truck

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2016 • 479 Fuel-ups

  Property of LBrsch0402

• 12.8 Avg MPG

• Z GMC Denali 2011

  2011 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
  Added Aug 2016 • 54 Fuel-ups

  Property of toy68403

• 10.1 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2017 • 25 Fuel-ups

  Property of natedantoin

• 14.8 Avg MPG

• GMC Diesel

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2018 • 4 Fuel-ups

  Property of jimlaforce

• 12.4 Avg MPG

• 2500hd

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 169 Fuel-ups

  Property of woodhog25

• 15.2 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2017 • 6 Fuel-ups

  Property of gupster88

• 15.7 Avg MPG

• 2011 GMC

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2016 • 27 Fuel-ups

  Property of BearOnt

• 13.9 Avg MPG

• 2500 Sierra GMC

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 68 Fuel-ups

  Property of jjjohnson28

• 14.5 Avg MPG

• 2011 GMC

  2011 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 15 Fuel-ups

  Property of southsavannah

• 11.7 Avg MPG

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