2020 GMC Sierra 2500 MPG

Based on data from 4 vehicles, 621 fuel-ups and 266,827 miles of driving, the 2020 GMC Sierra 2500 gets a combined Avg MPG of 16.74 with a 0.22 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (0.32%) removed.

Following shows the average MPG of each of the 4 vehicles in the system.

• ‘20 Sierra 1500

  2020 GMC Sierra 2500
  Added Jan 2020 • 292 Fuel-ups

  Property of Zantine

• 19.5 Avg MPG

• La mamalona

  2020 GMC Sierra 2500 HD
  Added Jan 2020 • 191 Fuel-ups

  Property of jaime07garcia

• 15.0 Avg MPG

• My Sierra 2500

  2020 GMC Sierra 2500 HD
  Added Jan 2020 • 165 Fuel-ups

  Property of jbose

• 17.3 Avg MPG

• My Sierra 2500 HD

  2020 GMC Sierra 2500 HD Automatic 6 Speed
  Added Nov 2019 • 63 Fuel-ups

  Property of Danm1228

• 14.9 Avg MPG