Based on data from 99 vehicles, 8,052 fuel-ups and 2,483,542 miles of driving, the 2018 BMW X3 gets a combined Avg MPG of 23.02 with a 0.11 MPG margin of error.

Any Engine Type 2.0L L4 GAS (44) 3.0L L6 GAS (41) 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 (41) Other (6)

Below you can see a distribution of the fuel-ups with 578 outliers (6.70%) removed.

Following shows the average MPG of each of the 99 vehicles in the system.

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• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 149 Fuel-ups

  Property of darora15

• 21.9 Avg MPG

• X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 266 Fuel-ups

  Property of bst07

• 22.5 Avg MPG

• 2018 BMW X3 30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2018 • 165 Fuel-ups

  Property of htpcguru

• 25.9 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added May 2022 • 79 Fuel-ups

  Property of rrkwiatkowski

• 19.5 Avg MPG

• X3 xDrive30i

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jan 2018 • 331 Fuel-ups

  Property of RichL

• 22.8 Avg MPG

• Emmie the M40

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Mar 2023 • 81 Fuel-ups

  Property of mizznfizz

• 20.9 Avg MPG

• M40blue

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Apr 2018 • 297 Fuel-ups

  Property of M40blue

• 25.5 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2024 • 9 Fuel-ups

  Property of cmbancroft

• 21.2 Avg MPG

• X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jun 2018 • 128 Fuel-ups

  Property of DigiSage

• 22.8 Avg MPG

• BMW X3

  2018 BMW X3 Automatic 8 Speed Sport Utility
  Added Jul 2018 • 102 Fuel-ups

  Property of kekkos

• 32.2 Avg MPG

• My X3

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2023 • 94 Fuel-ups

  Property of TrevK

• 25.8 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Dec 2020 • 199 Fuel-ups

  Property of DESRN

• 24.4 Avg MPG

• X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Feb 2023 • 47 Fuel-ups

  Property of FuelStar234

• 22.7 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2018 • 201 Fuel-ups

  Property of Kacprus

• 19.6 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2019 • 212 Fuel-ups

  Property of derkconnor

• 23.4 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 54 Fuel-ups

  Property of LilGator

• 20.4 Avg MPG

• 2018 BMW X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jun 2022 • 122 Fuel-ups

  Property of markpwilson

• 25.9 Avg MPG

• Smokey X3

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2018 • 109 Fuel-ups

  Property of jarb

• 23.6 Avg MPG

• BMW X3 Xdrive30i

  2018 BMW X3 xDrive30i X Line 2,0L L4 GAS Automatic 8 Speed
  Added Aug 2021 • 104 Fuel-ups

  Property of FTikka

• 24.6 Avg MPG

• 2018 X3 xDrive30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 239 Fuel-ups

  Property of crono06

• 22.2 Avg MPG

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