Based on data from 59 vehicles, 4,619 fuel-ups and 1,667,384 miles of driving, the 2011 GMC Sierra 2500 HD gets a combined Avg MPG of 13.62 with a 0.08 MPG margin of error.

Any Engine Type 6.0L V8 FLEX (4) 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 (14) SLT (17) Other (13)

Below you can see a distribution of the fuel-ups with 192 outliers (3.99%) removed.

Following shows the average MPG of each of the 59 vehicles in the system.

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• LML Denali

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2022 • 12 Fuel-ups

  Property of jwmontoya

• 16.6 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2021 • 134 Fuel-ups

  Property of CorgiLover23

• 13.2 Avg MPG

• Baby Blue

  2011 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
  Added Aug 2019 • 66 Fuel-ups

  Property of jlewis

• 13.1 Avg MPG

• 2011 Duramax

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2022 • 25 Fuel-ups

  Property of truckman94

• 13.1 Avg MPG

• 2011 Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2021 • 85 Fuel-ups

  Property of GussyP

• 16.4 Avg MPG

• 2011 Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2018 • 123 Fuel-ups

  Property of Sandhopper

• 14.5 Avg MPG

• GMC

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2021 • 101 Fuel-ups

  Property of reo

• 14.4 Avg MPG

• Truck

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2018 • 329 Fuel-ups

  Property of Go2Guy81

• 14.3 Avg MPG

• GMC

  2011 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
  Added Nov 2019 • 394 Fuel-ups

  Property of Ffterman

• 13.8 Avg MPG

• Bob's GMC Denali

  2011 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2021 • 173 Fuel-ups

  Property of Uvgotbob

• 13.8 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2022 • 13 Fuel-ups

  Property of jclarksonjr

• 14.9 Avg MPG

• 11 GMC Heavy D

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2019 • 17 Fuel-ups

  Property of tbspangler

• 12.9 Avg MPG

• My Sierra 2500 HD

  2011 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
  Added Jun 2022 • 14 Fuel-ups

  Property of Karlita

• 12.6 Avg MPG

• Sierra

  2011 GMC Sierra 2500 HD DIESEL V8
  Added Sep 2011 • 291 Fuel-ups

  Property of SpecMiata23

• 14.7 Avg MPG

• 2011 Duramax

  2011 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2021 • 172 Fuel-ups

  Property of JarrettR

• 10.7 Avg MPG

• 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

• 2011 GMC 2500HD

  2011 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2018 • 39 Fuel-ups

  Property of BallisticsTech

• 15.1 Avg MPG

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