Based on data from 113 vehicles, 9,238 fuel-ups and 2,772,149 miles of driving, the 2011 GMC Sierra 1500 gets a combined Avg MPG of 15.40 with a 0.06 MPG margin of error.

Any Engine Type 4.3L V6 GAS (2) 4.8L V8 FLEX (11) 5.3L V8 FLEX (57) 6.2L V8 FLEX (14) GAS (1) V6 GAS (2) V8 FLEX (11) V8 GAS (7) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (10) Crew Cab Pickup (18) Any Submodel WT (5) SL (9) Denali (9) SLT (18) SLE (46) Other (26)

Below you can see a distribution of the fuel-ups with 791 outliers (7.89%) removed.

Following shows the average MPG of each of the 113 vehicles in the system.

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• RSMC - Canada Post

  2011 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Apr 2018 • 118 Fuel-ups

  Property of GMC_Sierra_2011

• 13.8 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 49 Fuel-ups

  Property of ajb529

• 15.0 Avg MPG

• GMC

  2011 GMC Sierra 1500 SLE
  Added Oct 2018 • 15 Fuel-ups

  Property of chrisasilvester

• 15.4 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLT 6.2L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 42 Fuel-ups

  Property of xrudeboyx

• 14.1 Avg MPG

• White Denali

  2011 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 8 Fuel-ups

  Property of Corvettefan8

• 8.5 Avg MPG

• 2011 GMC Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX
  Added Feb 2019 • 452 Fuel-ups

  Property of stevenlpennington

• 16.4 Avg MPG

• Gmc

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 397 Fuel-ups

  Property of jerfhand

• 15.2 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Oct 2018 • 330 Fuel-ups

  Property of paultercier

• 18.0 Avg MPG

• dont use

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Jan 2020 • 328 Fuel-ups

  Property of paultbear

• 18.0 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Jun 2018 • 328 Fuel-ups

  Property of paultercier

• 18.0 Avg MPG

• Sierra 1500

  2011 GMC Sierra 1500 SLE 4.8L V8 FLEX Automatic 4 Speed
  Added Jun 2018 • 21 Fuel-ups

  Property of olinski16

• 12.4 Avg MPG

• GMC Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Aug 2018 • 280 Fuel-ups

  Property of flip9104

• 16.0 Avg MPG

• GMC Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Aug 2018 • 280 Fuel-ups

  Property of flip9104

• 16.0 Avg MPG

• Old Faithfull II

  2011 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Dec 2012 • 112 Fuel-ups

  Property of ShaneHewitt

• 16.5 Avg MPG

• Angelo Furgiuele

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2016 • 499 Fuel-ups

  Property of Angelo99

• 15.1 Avg MPG

• Truck

  2011 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed Standard Cab Pickup
  Added Jun 2018 • 20 Fuel-ups

  Property of hdavidshine

• 17.3 Avg MPG

• GMC Sierra

  2011 GMC Sierra 1500 WT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 32 Fuel-ups

  Property of ftlbsec

• 15.9 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2018 • 46 Fuel-ups

  Property of josht3233

• 15.9 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2017 • 16 Fuel-ups

  Property of Chase0201

• 12.2 Avg MPG

• GMC Denali Truck

  2011 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 33 Fuel-ups

  Property of Woodrecurve

• 13.7 Avg MPG

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