2020 GMC Sierra 2500 HD MPG

Based on data from 44 vehicles, 2,841 fuel-ups and 1,050,472 miles of driving, the 2020 GMC Sierra 2500 HD gets a combined Avg MPG of 14.32 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 26 outliers (0.91%) removed.

Following shows the average MPG of each of the 44 vehicles in the system.

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• My Sierra 2500 HD

  2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2020 • 25 Fuel-ups

  Property of powell1983

• 16.7 Avg MPG

• Wanda

  2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2020 • 32 Fuel-ups

  Property of amepena

• 17.9 Avg MPG

• Sierra 2500HD

  2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added May 2020 • 8 Fuel-ups

  Property of M3atEater

• 18.9 Avg MPG

• Beastly Bunny

  2020 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic Crew Cab Pickup
  Added Feb 2020 • 6 Fuel-ups

  Property of Jvorpagel

• 14.3 Avg MPG

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