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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• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added May 2024 • 44 Fuel-ups

  Property of soaringbeard

• 11.6 Avg MPG

• Yoti's SLT 1500 Z71

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jul 2022 • 170 Fuel-ups

  Property of Yoti14

• 13.4 Avg MPG

• GMC Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 180 Fuel-ups

  Property of fastlsx

• 15.3 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Apr 2021 • 107 Fuel-ups

  Property of koald58

• 13.4 Avg MPG

• 2011 GMC Sierra SLE

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2019 • 112 Fuel-ups

  Property of billweb143

• 10.0 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2024 • 42 Fuel-ups

  Property of chadmoyer24

• 11.5 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2024 • 28 Fuel-ups

  Property of Ascaniosk10

• 13.0 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Feb 2020 • 52 Fuel-ups

  Property of jmendoza82

• 10.3 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2018 • 179 Fuel-ups

  Property of bwines06

• 13.2 Avg MPG

• GMC Sierra 1500

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2018 • 287 Fuel-ups

  Property of seanansley3

• 17.4 Avg MPG

• Big Red

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2017 • 324 Fuel-ups

  Property of litcatp

• 16.1 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 6.2L V8 FLEX Automatic 6 Speed
  Added Mar 2024 • 5 Fuel-ups

  Property of quicksdraw92

• 15.6 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2019 • 320 Fuel-ups

  Property of iublue

• 16.7 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX
  Added Oct 2017 • 380 Fuel-ups

  Property of tjarrard

• 17.5 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Aug 2023 • 286 Fuel-ups

  Property of Hemphog

• 15.6 Avg MPG

• Sierra

  2011 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed
  Added May 2017 • 668 Fuel-ups

  Property of Winkman

• 14.7 Avg MPG

• My Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Apr 2021 • 36 Fuel-ups

  Property of Rdtrkr

• 16.6 Avg MPG

• GMC white diamond

  2011 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 409 Fuel-ups

  Property of littleharold

• 13.6 Avg MPG

• Tom's Truck

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 262 Fuel-ups

  Property of BigT547

• 14.1 Avg MPG

• GMC Sierra 1500

  2011 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2023 • 7 Fuel-ups

  Property of Dillon_the_villain

• 13.2 Avg MPG

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