Based on data from 107 vehicles, 8,380 fuel-ups and 2,496,249 miles of driving, the 2011 GMC Sierra 1500 gets a combined Avg MPG of 15.43 with a 0.07 MPG margin of error.

Any Engine Type 4.3L V6 GAS (2) 4.8L V8 FLEX (11) 5.3L V8 FLEX (52) 6.2L V8 FLEX (11) GAS (1) V6 GAS (2) V8 FLEX (13) V8 GAS (7) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (9) Crew Cab Pickup (14) Any Submodel WT (5) Denali (7) SL (8) SLT (17) SLE (42) Other (28)

Below you can see a distribution of the fuel-ups with 795 outliers (8.66%) removed.

Following shows the average MPG of each of the 107 vehicles in the system.

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• 2011 GMC Sierra SLE

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2019 • 44 Fuel-ups

  Property of billweb143

• 11.7 Avg MPG

• Kate

  2011 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed
  Added Mar 2017 • 239 Fuel-ups

  Property of CDunham

• 26.1 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2019 • 79 Fuel-ups

  Property of iublue

• 16.3 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX
  Added Oct 2017 • 212 Fuel-ups

  Property of tjarrard

• 17.0 Avg MPG

• GMC Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2018 • 96 Fuel-ups

  Property of seanansley3

• 17.6 Avg MPG

• GMC PU

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jul 2018 • 136 Fuel-ups

  Property of wdckellogg

• 15.8 Avg MPG

• 2011 Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Standard Cab Pickup
  Added Sep 2017 • 92 Fuel-ups

  Property of MightEMatt

• 13.6 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2018 • 94 Fuel-ups

  Property of bwines06

• 13.4 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed
  Added Jan 2019 • 81 Fuel-ups

  Property of theduv

• 17.9 Avg MPG

• Truck Sierra Slt 2011

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2020 • 4 Fuel-ups

  Property of jeter0124

• 13.0 Avg MPG

• Truck

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX
  Added Sep 2019 • 151 Fuel-ups

  Property of windling

• 13.1 Avg MPG

• GMC Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 46 Fuel-ups

  Property of fastlsx

• 14.6 Avg MPG

• Big Red

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2017 • 196 Fuel-ups

  Property of litcatp

• 15.9 Avg MPG

• Gemma

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Aug 2020 • 11 Fuel-ups

  Property of DougTippler

• 16.1 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed
  Added Aug 2020 • 10 Fuel-ups

  Property of Richard19

• 14.8 Avg MPG

• Bernie

  2011 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 4 Speed
  Added Sep 2016 • 137 Fuel-ups

  Property of scbruinsfan

• 17.6 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed
  Added May 2017 • 502 Fuel-ups

  Property of Winkman

• 14.9 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2020 • 33 Fuel-ups

  Property of Fuelly_rtismeer

• 16.5 Avg MPG

• Tom's Truck

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 239 Fuel-ups

  Property of BigT547

• 14.2 Avg MPG

• The Grey One

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2014 • 157 Fuel-ups

  Property of Mikee_Like

• 15.9 Avg MPG

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