2018 BMW M550i xDrive MPG

Based on data from 8 vehicles, 578 fuel-ups and 164,427 miles of driving, the 2018 BMW M550i xDrive gets a combined Avg MPG of 21.71 with a 0.23 MPG margin of error.

Below you can see a distribution of the fuel-ups with 42 outliers (6.77%) removed.

Following shows the average MPG of each of the 8 vehicles in the system.

• M550i

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed Sedan
  Added May 2018 • 219 Fuel-ups

  Property of viqq

• 21.5 Avg MPG

• Cherny Bumer

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed Sedan
  Added Aug 2025 • 18 Fuel-ups

  Property of mcodeath

• 25.2 Avg MPG

• My M550i xDrive

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed
  Added Mar 2023 • 48 Fuel-ups

  Property of Shakora

• 23.0 Avg MPG

• m550

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed Sedan
  Added Feb 2022 • 3 Fuel-ups

  Property of zinner

• 14.1 Avg MPG

• M550i

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed
  Added Mar 2021 • 48 Fuel-ups

  Property of Ronin

• 14.3 Avg MPG

• 2018 M550i xDrive

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed
  Added Nov 2020 • 145 Fuel-ups

  Property of jesse828

• 22.2 Avg MPG

• BMW M550i

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed Sedan
  Added Aug 2018 • 142 Fuel-ups

  Property of rickwilhelm1958

• 22.6 Avg MPG

• M550i

  2018 BMW M550i xDrive 4.4L V8 GAS Automatic 8 Speed
  Added Jun 2018 • 16 Fuel-ups

  Property of A10Warthog

• 19.1 Avg MPG