2020 GMC Sierra 1500 MPG

Based on data from 192 vehicles, 15,614 fuel-ups and 5,146,558 miles of driving, the 2020 GMC Sierra 1500 gets a combined Avg MPG of 18.22 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 350 outliers (2.19%) removed.

Following shows the average MPG of each of the 192 vehicles in the system.

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• My Sierra 1500

  2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2020 • 6 Fuel-ups

  Property of brandonmendoza

• 21.5 Avg MPG

• 2020 Sierra 1500 - P391

  2020 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2020 • 17 Fuel-ups

  Property of shatub

• 14.8 Avg MPG

• GMC

  2020 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Sep 2020 • 4 Fuel-ups

  Property of snowfreak566

• 18.3 Avg MPG

• 2020 GMC 3.0 Diesel

  2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jul 2020 • 23 Fuel-ups

  Property of rhbjr81

• 22.8 Avg MPG

• Sierra2020 Duramax

  2020 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2020 • 16 Fuel-ups

  Property of tdidirtbag

• 25.6 Avg MPG

• GMC Sierra

  2020 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Apr 2020 • 15 Fuel-ups

  Property of Bradalay

• 16.6 Avg MPG

• Sierra 1500 Duramax

  2020 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2020 • 14 Fuel-ups

  Property of idlejunk

• 23.5 Avg MPG

• My Sierra 1500

  2020 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2020 • 28 Fuel-ups

  Property of Fischer05

• 26.5 Avg MPG

• SuperBlue

  2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jun 2020 • 4 Fuel-ups

  Property of nateg20

• 18.3 Avg MPG

• GMC Sierra 1500 AT4

  2020 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2020 • 6 Fuel-ups

  Property of jlpiccoli

• 14.2 Avg MPG

• My Sierra 1500

  2020 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2020 • 4 Fuel-ups

  Property of 1XFD4

• 22.3 Avg MPG

• Sierra 1500 SLT X31

  2020 GMC Sierra 1500 SLT
  Added Jan 2020 • 5 Fuel-ups

  Property of kkib2

• 17.9 Avg MPG

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