2020 Mercedes-Benz GLS450 MPG

Based on data from 5 vehicles, 200 fuel-ups and 74,753 miles of driving, the 2020 Mercedes-Benz GLS450 gets a combined Avg MPG of 21.71 with a 0.36 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.

Following shows the average MPG of each of the 5 vehicles in the system.

• 2020 Mercedes-Benz GLS450

  2020 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Aug 2020 • 90 Fuel-ups

  Property of JackMrla

• 22.7 Avg MPG

• B’s 20 MB GLS450

  2020 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Dec 2022 • 73 Fuel-ups

  Property of TNReader

• 21.3 Avg MPG

• 2020 GLS450

  2020 Mercedes-Benz GLS450 4Matic 3.0L L6 MILD HYBRID EV-GAS (MHEV) Automatic 9 Speed
  Added Jul 2023 • 6 Fuel-ups

  Property of aky

• 21.5 Avg MPG

• GLS450 (2020)

  2020 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Jul 2022 • 45 Fuel-ups

  Property of Grizzld

• 20.9 Avg MPG

• My GLS450

  2020 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Aug 2020 • 4 Fuel-ups

  Property of esdave

• 19.7 Avg MPG