Based on data from 70 vehicles, 5,780 fuel-ups and 1,616,455 miles of driving, the 2010 GMC Sierra 1500 gets a combined Avg MPG of 14.03 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (4) 4.8L V8 FLEX (8) 5.3L V8 FLEX (40) 6.2L V8 FLEX (4) GAS (2) V8 FLEX (5) V8 GAS (2) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (9) Crew Cab Pickup (18) Any Submodel Denali (2) SL (6) WT (8) SLT (18) SLE (27) Other (9)

Below you can see a distribution of the fuel-ups with 230 outliers (3.83%) removed.

Following shows the average MPG of each of the 70 vehicles in the system.

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• 2010 Sierra 5.3L

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 8 Fuel-ups

  Property of iHustle

• 15.9 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 WT 5.3L V8 FLEX Automatic 6 Speed
  Added May 2017 • 26 Fuel-ups

  Property of biobenito

• 13.0 Avg MPG

• GMC Sierra SLT 1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 145 Fuel-ups

  Property of SportGuy85

• 14.2 Avg MPG

• Sierra

  2010 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Sep 2012 • 22 Fuel-ups

  Property of matthanson

• 14.7 Avg MPG

• Red Sierra 1500

  2010 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Feb 2017 • 31 Fuel-ups

  Property of jrm400

• 16.0 Avg MPG

• Paul's Work Truck

  2010 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 45 Fuel-ups

  Property of pschill2

• 16.8 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2017 • 3 Fuel-ups

  Property of AlexRayBest

• 18.4 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Sep 2014 • 7 Fuel-ups

  Property of EricHu

• 13.3 Avg MPG

• 6.2L Sierra

  2010 GMC Sierra 1500 SLT 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Oct 2015 • 34 Fuel-ups

  Property of Big_Block_Sierra

• 12.1 Avg MPG

• 2010 Sierra Crew Z71

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jan 2014 • 152 Fuel-ups

  Property of dannykapp

• 13.9 Avg MPG

• GMC Sierra Ext Cab SLT

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Oct 2010 • 101 Fuel-ups

  Property of Brassua

• 16.7 Avg MPG

• GMC

  2010 GMC Sierra 1500 SL 5.3L FLEX V8 Automatic 4 Crew Cab Pickup (4 Door)
  Added Jul 2014 • 34 Fuel-ups

  Property of Bgrah158

• 13.5 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLE 4.3L GAS V6 Automatic 4 Crew Cab Pickup (4 Door)
  Added Nov 2014 • 4 Fuel-ups

  Property of joshtrl

• 21.5 Avg MPG

• GMC Sierra 1500 SLT CC 4x4

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 62 Fuel-ups

  Property of HGA13

• 30.7 Avg MPG

• My Black Truck

  2010 GMC Sierra 1500 GAS V8
  Added Oct 2010 • 202 Fuel-ups

  Property of stantheman

• 14.4 Avg MPG

• My Sierra

  2010 GMC Sierra 1500 FLEX V8
  Added Feb 2014 • 16 Fuel-ups

  Property of michaeljaan

• 15.7 Avg MPG

• Mike's Truck

  2010 GMC Sierra 1500 FLEX V8
  Added Oct 2013 • 37 Fuel-ups

  Property of mpolkki

• 12.9 Avg MPG

• 2010 GMC Sierra 1500 SLE

  2010 GMC Sierra 1500 SLE GAS
  Added May 2013 • 23 Fuel-ups

  Property of addystiles

• 14.6 Avg MPG

• Ext Cab W/T 4x4

  2010 GMC Sierra 1500 FLEX V8
  Added Oct 2012 • 40 Fuel-ups

  Property of bamamate

• 16.4 Avg MPG

• Sierra

  2010 GMC Sierra 1500 GAS
  Added Sep 2013 • 13 Fuel-ups

  Property of Wyzard

• 19.7 Avg MPG

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