Based on data from 124 vehicles, 10,636 fuel-ups and 3,151,515 miles of driving, the 2011 GMC Sierra 1500 gets a combined Avg MPG of 15.26 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 (65) 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 (20) Cab & Chassis - Crew Cab (1) Any Submodel WT (5) SL (9) Denali (10) SLT (23) SLE (52) Other (25)

Below you can see a distribution of the fuel-ups with 829 outliers (7.23%) removed.

Following shows the average MPG of each of the 124 vehicles in the system.

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• Yoti's SLT 1500 Z71

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jul 2022 • 176 Fuel-ups

  Property of Yoti14

• 13.4 Avg MPG

• Bailey

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Oct 2024 • 3 Fuel-ups

  Property of r4ve

• 14.4 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2024 • 44 Fuel-ups

  Property of chadmoyer24

• 11.5 Avg MPG

• GMC Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 186 Fuel-ups

  Property of fastlsx

• 15.3 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2019 • 325 Fuel-ups

  Property of iublue

• 16.7 Avg MPG

• Big Red

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2017 • 330 Fuel-ups

  Property of litcatp

• 16.1 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2024 • 34 Fuel-ups

  Property of Ascaniosk10

• 13.1 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Apr 2021 • 40 Fuel-ups

  Property of Rdtrkr

• 16.5 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added May 2024 • 52 Fuel-ups

  Property of soaringbeard

• 11.2 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 6.2L V8 FLEX Automatic 6 Speed
  Added Mar 2024 • 8 Fuel-ups

  Property of quicksdraw92

• 15.3 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2018 • 180 Fuel-ups

  Property of bwines06

• 13.3 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Aug 2023 • 290 Fuel-ups

  Property of Hemphog

• 15.6 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Apr 2021 • 109 Fuel-ups

  Property of koald58

• 13.4 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed
  Added May 2017 • 670 Fuel-ups

  Property of Winkman

• 14.7 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2019 • 36 Fuel-ups

  Property of 2004

• 11.6 Avg MPG

• 2011 GMC Sierra SLE

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2019 • 113 Fuel-ups

  Property of billweb143

• 10.0 Avg MPG

• 6.2 Sierra Crew

  2011 GMC Sierra 1500 SLT 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Oct 2014 • 156 Fuel-ups

  Property of bjames

• 16.4 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Feb 2020 • 53 Fuel-ups

  Property of jmendoza82

• 10.3 Avg MPG

• Tom's Truck

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 264 Fuel-ups

  Property of BigT547

• 14.2 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX
  Added Oct 2017 • 381 Fuel-ups

  Property of tjarrard

• 17.5 Avg MPG

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