Based on data from 70 vehicles, 5,782 fuel-ups and 1,617,028 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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• My Sierra 1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2018 • 495 Fuel-ups

  Property of tinman32

• 14.0 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Dec 2022 • 169 Fuel-ups

  Property of TCarp

• 13.6 Avg MPG

• Sierra

  2010 GMC Sierra 1500 SLE 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 465 Fuel-ups

  Property of ccroslin

• 12.6 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLE 4.8L V8 FLEX Automatic 4 Speed
  Added Jul 2023 • 33 Fuel-ups

  Property of ppsr

• 12.9 Avg MPG

• Dad's Truck

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Sep 2023 • 99 Fuel-ups

  Property of noebete76

• 13.1 Avg MPG

• Gorgeous

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Aug 2020 • 56 Fuel-ups

  Property of Dullawolf

• 14.1 Avg MPG

• Sierra 1500

  2010 GMC Sierra 1500 SLE 4.8L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Mar 2017 • 474 Fuel-ups

  Property of mgantt87

• 15.6 Avg MPG

• Sierra

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Mar 2018 • 197 Fuel-ups

  Property of jwtipple

• 16.4 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added May 2023 • 41 Fuel-ups

  Property of Tanner_C

• 13.4 Avg MPG

• Sierra

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2017 • 194 Fuel-ups

  Property of dlandis01

• 15.5 Avg MPG

• Kevin

  2010 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2021 • 30 Fuel-ups

  Property of prcsal

• 16.6 Avg MPG

• Red GMC

  2010 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed Crew Cab Pickup
  Added Jul 2023 • 23 Fuel-ups

  Property of bluedodgeram

• 16.9 Avg MPG

• 2010gmc1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added May 2020 • 87 Fuel-ups

  Property of dthusa

• 15.0 Avg MPG

• GMC Sierra

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Feb 2019 • 41 Fuel-ups

  Property of Danver

• 16.2 Avg MPG

• GMC Sierra 1500

  2010 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Nov 2021 • 186 Fuel-ups

  Property of Jartol

• 15.8 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2023 • 5 Fuel-ups

  Property of gavinboos69

• 19.4 Avg MPG

• GMC

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2022 • 15 Fuel-ups

  Property of Dmercier

• 17.2 Avg MPG

• Lucy

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2018 • 90 Fuel-ups

  Property of hartsej1

• 14.0 Avg MPG

• 2010 GMC Sierra 5.3L 4WD

  2010 GMC Sierra 1500 SLE 5.3L FLEX V8 Automatic 6 Crew Cab Pickup (4 Door)
  Added Nov 2014 • 392 Fuel-ups

  Property of txbl

• 13.8 Avg MPG

• xMom’s 2010 Sierra 1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2022 • 3 Fuel-ups

  Property of tomman2

• 16.9 Avg MPG

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