2023 GMC Sierra 1500 MPG

Based on data from 128 vehicles, 5,192 fuel-ups and 2,001,127 miles of driving, the 2023 GMC Sierra 1500 gets a combined Avg MPG of 21.22 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 49 outliers (0.93%) removed.

Following shows the average MPG of each of the 128 vehicles in the system.

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• My Sierra 1500

  2023 GMC Sierra 1500 Denali
  Added Jan 2023 • 49 Fuel-ups

  Property of jrwayne4

• 25.2 Avg MPG

• My Slt

  2023 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Apr 2023 • 3 Fuel-ups

  Property of bbiles1

• 20.5 Avg MPG

• GMC

  2023 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Sep 2023 • 10 Fuel-ups

  Property of detmar

• 18.3 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 Denali
  Added Mar 2023 • 31 Fuel-ups

  Property of russ9443

• 16.9 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 30 Fuel-ups

  Property of Trevizo

• 18.4 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2023 • 9 Fuel-ups

  Property of tjchaffee

• 22.6 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2023 • 7 Fuel-ups

  Property of mwood40

• 21.8 Avg MPG

• Sierra AT4

  2023 GMC Sierra 1500 AT4
  Added Mar 2023 • 21 Fuel-ups

  Property of Calvin6393

• 21.4 Avg MPG

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