Based on data from 123 vehicles, 10,580 fuel-ups and 3,136,669 miles of driving, the 2011 GMC Sierra 1500 gets a combined Avg MPG of 15.27 with a 0.06 MPG margin of error.

Any Engine Type 4.3L V6 GAS (2) 4.8L V8 FLEX (13) 5.3L V8 FLEX (64) 6.2L V8 FLEX (16) GAS (1) V6 GAS (2) V8 FLEX (11) V8 GAS (7) Any Body Style Standard Cab Pickup (4) Extended Cab Pickup (13) Crew Cab Pickup (19) Cab & Chassis - Crew Cab (1) Any Submodel WT (5) SL (9) Denali (10) SLT (22) SLE (52) Other (25)

Below you can see a distribution of the fuel-ups with 827 outliers (7.25%) removed.

Following shows the average MPG of each of the 123 vehicles in the system.

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• 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

• 2011 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

• Big red

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 3 Fuel-ups

  Property of Swads

• 19.4 Avg MPG

• GMC Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2017 • 6 Fuel-ups

  Property of KFriel

• 15.1 Avg MPG

• GMC Sierra Denali

  2011 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Dec 2016 • 13 Fuel-ups

  Property of hdroadking1955

• 16.6 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2017 • 9 Fuel-ups

  Property of charliemurphy207

• 16.4 Avg MPG

• Black Beasty Pig

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jan 2018 • 13 Fuel-ups

  Property of mrcreative

• 15.1 Avg MPG

• Gmc sierra

  2011 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 11 Fuel-ups

  Property of chadohio1

• 115.7 Avg MPG

• Silver Beast

  2011 GMC Sierra 1500 SLE 4.8L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 11 Fuel-ups

  Property of Dr_Drumm

• 17.1 Avg MPG

• Sierra 1500

  2011 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 4 Speed
  Added Oct 2016 • 20 Fuel-ups

  Property of 1Swampy1

• 13.5 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2016 • 12 Fuel-ups

  Property of Worker

• 13.0 Avg MPG

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