2021 Mercedes-Benz GLS450 MPG

Based on data from 5 vehicles, 229 fuel-ups and 88,924 miles of driving, the 2021 Mercedes-Benz GLS450 gets a combined Avg MPG of 21.07 with a 0.45 MPG margin of error.

Below you can see a distribution of the fuel-ups with 4 outliers (1.72%) removed.

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

• 2021 MB GLS450

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 MILD HYBRID EV-GAS (MHEV) Automatic 9 Speed
  Added May 2024 • 25 Fuel-ups

  Property of 1892_Rudolf

• 25.0 Avg MPG

• GLS450

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Dec 2021 • 64 Fuel-ups

  Property of scoppins

• 21.3 Avg MPG

• BIG BERTHA

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed Sport Utility
  Added Dec 2020 • 97 Fuel-ups

  Property of Zeight

• 22.4 Avg MPG

• My GLS450

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Dec 2021 • 62 Fuel-ups

  Property of punjablion

• 18.9 Avg MPG

• GLS450

  2021 Mercedes-Benz GLS450 4Matic 3.0L L6 ELECTRIC/GAS Automatic 9 Speed
  Added Apr 2022 • 12 Fuel-ups

  Property of Abdullah786

• 22.7 Avg MPG