2017 GMC Sierra MPG

Based on data from 7 vehicles, 685 fuel-ups and 190,695 miles of driving, the 2017 GMC Sierra gets a combined Avg MPG of 15.32 with a 0.27 MPG margin of error.

Below you can see a distribution of the fuel-ups with 45 outliers (6.16%) removed.

Following shows the average MPG of each of the 7 vehicles in the system.

• My Sierra

  2017 GMC Sierra SLE 5.3L V8 FLEX Automatic 6 Speed
  Added May 2023 • 9 Fuel-ups

  Property of jasonl7245

• 16.8 Avg MPG

• My Sierra

  2017 GMC Sierra SLE 5.3L V8 GAS Automatic 6 Speed
  Added Dec 2019 • 80 Fuel-ups

  Property of Alshehhi

• 30.3 Avg MPG

• GMC Sierra

  2017 GMC Sierra SLT
  Added May 2017 • 308 Fuel-ups

  Property of rdf1982

• 16.1 Avg MPG

• Truck

  2017 GMC Sierra Avalanche V8 GAS
  Added Jul 2018 • 132 Fuel-ups

  Property of Doc54963

• 13.8 Avg MPG

• My Sierra

  2017 GMC Sierra All Terrain 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2017 • 105 Fuel-ups

  Property of Qbert

• 15.2 Avg MPG

• GMC Truck

  2017 GMC Sierra SLT
  Added Jan 2018 • 92 Fuel-ups

  Property of DNAdrift

• 16.0 Avg MPG

• Sierra

  2017 GMC Sierra SLE 5.3L V8 GAS Automatic 6 Speed
  Added Dec 2017 • 38 Fuel-ups

  Property of TowerCleanersDrivers

• 12.0 Avg MPG