Based on data from 98 vehicles, 7,717 fuel-ups and 2,400,438 miles of driving, the 2018 BMW X3 gets a combined Avg MPG of 23.17 with a 0.13 MPG margin of error.

Any Engine Type 2.0L L4 GAS (44) 3.0L L6 GAS (40) H4 DIESEL (2) L4 DIESEL (4) L6 DIESEL (2) Any Body Style Wagon (2) Sport Utility (35) Any Submodel sDrive20i Executive (2) Base (7) xDrive30i X Line (15) xDrive30i (28) M40i (40) Other (6)

Below you can see a distribution of the fuel-ups with 398 outliers (4.90%) removed.

Following shows the average MPG of each of the 98 vehicles in the system.

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• G01

  2018 BMW X3 M40i 3,0L L6 GAS Automatic 8 Speed Sport Utility
  Added May 2024 • 19 Fuel-ups

  Property of vytpau

• 20.1 Avg MPG

• BMW X3

  2018 BMW X3 Automatic 8 Speed Sport Utility
  Added Jul 2018 • 97 Fuel-ups

  Property of kekkos

• 32.2 Avg MPG

• X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jun 2018 • 119 Fuel-ups

  Property of DigiSage

• 22.7 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 45 Fuel-ups

  Property of LilGator

• 20.4 Avg MPG

• 2018 BMW X3 30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2018 • 154 Fuel-ups

  Property of htpcguru

• 26.0 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2018 • 195 Fuel-ups

  Property of Kacprus

• 19.7 Avg MPG

• X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 251 Fuel-ups

  Property of bst07

• 22.5 Avg MPG

• BMW X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2019 • 312 Fuel-ups

  Property of yancr

• 19.5 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added May 2022 • 69 Fuel-ups

  Property of rrkwiatkowski

• 19.7 Avg MPG

• My X3

  2018 BMW X3
  Added Jul 2024 • 8 Fuel-ups

  Property of Victor7

• 22.3 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Sep 2018 • 165 Fuel-ups

  Property of wampcity

• 24.7 Avg MPG

• M40blue

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Apr 2018 • 283 Fuel-ups

  Property of M40blue

• 25.5 Avg MPG

• BMW X3

  2018 BMW X3 20d H4 DIESEL
  Added Oct 2019 • 104 Fuel-ups

  Property of evansw

• 27.5 Avg MPG

• X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Feb 2023 • 44 Fuel-ups

  Property of FuelStar234

• 22.9 Avg MPG

• 2018 BMW X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2021 • 96 Fuel-ups

  Property of beemer1

• 20.1 Avg MPG

• BMW X3 20d M Sport

  2018 BMW X3 xDrive20d M Sport L4 DIESEL
  Added Jul 2018 • 171 Fuel-ups

  Property of Choti

• 30.3 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2019 • 140 Fuel-ups

  Property of SuperMojo

• 24.2 Avg MPG

• X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2022 • 28 Fuel-ups

  Property of ElvaSoShexai

• 16.8 Avg MPG

• Collen

  2018 BMW X3 H4 DIESEL Automatic 7 Speed Sport Utility
  Added Sep 2024 • 27 Fuel-ups

  Property of Collen

• 60.8 Avg MPG

• X3 ///M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Apr 2018 • 192 Fuel-ups

  Property of jvds

• 17.2 Avg MPG

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