Based on data from 68 vehicles, 5,762 fuel-ups and 1,561,989 miles of driving, the 2010 GMC Sierra 1500 gets a combined Avg MPG of 13.70 with a 0.07 MPG margin of error.

Any Engine Type 4.3L V6 GAS (4) 4.8L V8 FLEX (10) 5.3L V8 FLEX (36) 6.2L V8 FLEX (4) GAS (2) V8 FLEX (5) V8 GAS (2) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (10) Crew Cab Pickup (13) Any Submodel Denali (2) SL (6) WT (10) SLT (13) SLE (28) Other (9)

Below you can see a distribution of the fuel-ups with 209 outliers (3.50%) removed.

Following shows the average MPG of each of the 68 vehicles in the system.

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• Red GMC

  2010 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed Crew Cab Pickup
  Added Jul 2023 • 38 Fuel-ups

  Property of bluedodgeram

• 17.1 Avg MPG

• Sierra

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Mar 2018 • 227 Fuel-ups

  Property of jwtipple

• 15.9 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLE 4.8L V8 FLEX Automatic 4 Speed
  Added Jul 2023 • 55 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 • 184 Fuel-ups

  Property of noebete76

• 13.0 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 4 Speed
  Added Jan 2025 • 3 Fuel-ups

  Property of JPE2012

• 19.0 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2018 • 563 Fuel-ups

  Property of tinman32

• 14.1 Avg MPG

• Sierra

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2017 • 207 Fuel-ups

  Property of dlandis01

• 15.4 Avg MPG

• Sierra

  2010 GMC Sierra 1500 SLE 6.2L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 493 Fuel-ups

  Property of ccroslin

• 12.6 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added May 2023 • 64 Fuel-ups

  Property of Tanner_C

• 13.0 Avg MPG

• Sierra 1500

  2010 GMC Sierra 1500 SLE 4.8L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Mar 2017 • 520 Fuel-ups

  Property of mgantt87

• 15.7 Avg MPG

• My Sierra 1500

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Dec 2022 • 237 Fuel-ups

  Property of TCarp

• 13.0 Avg MPG

• Gorgeous

  2010 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Aug 2020 • 61 Fuel-ups

  Property of Dullawolf

• 11.8 Avg MPG

• GMC 1500

  2010 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Jul 2024 • 16 Fuel-ups

  Property of MathieuG89

• 14.6 Avg MPG

• 2010 Sierra

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Standard Cab Pickup
  Added Jun 2024 • 21 Fuel-ups

  Property of bhagedorn

• 9.2 Avg MPG

• Kevin

  2010 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2021 • 33 Fuel-ups

  Property of prcsal

• 16.7 Avg MPG

• GMC

  2010 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2022 • 16 Fuel-ups

  Property of Dmercier

• 17.2 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

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