Based on data from 93 vehicles, 7,046 fuel-ups and 2,183,321 miles of driving, the 2018 BMW X3 gets a combined Avg MPG of 23.11 with a 0.13 MPG margin of error.

Any Engine Type 2.0L L4 GAS (44) 3.0L L6 GAS (37) H4 DIESEL (1) L4 DIESEL (4) L6 DIESEL (2) Any Body Style Wagon (2) Sport Utility (33) Any Submodel sDrive20i Executive (2) Base (5) xDrive30i X Line (15) xDrive30i (28) M40i (37) Other (6)

Below you can see a distribution of the fuel-ups with 388 outliers (5.22%) removed.

Following shows the average MPG of each of the 93 vehicles in the system.

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• BMW X3 Xdrive30i

  2018 BMW X3 xDrive30i X Line 2,0L L4 GAS Automatic 8 Speed
  Added Aug 2021 • 73 Fuel-ups

  Property of FTikka

• 24.2 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added May 2022 • 54 Fuel-ups

  Property of rrkwiatkowski

• 19.8 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 53 Fuel-ups

  Property of darora15

• 21.2 Avg MPG

• 2018 BMW X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jun 2022 • 82 Fuel-ups

  Property of markpwilson

• 25.9 Avg MPG

• X3 xDrive30i

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jan 2018 • 287 Fuel-ups

  Property of RichL

• 22.9 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2022 • 66 Fuel-ups

  Property of brownsugar

• 20.7 Avg MPG

• X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 229 Fuel-ups

  Property of bst07

• 22.5 Avg MPG

• X3 ///M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Apr 2018 • 181 Fuel-ups

  Property of jvds

• 17.3 Avg MPG

• X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Feb 2023 • 27 Fuel-ups

  Property of FuelStar234

• 23.7 Avg MPG

• 2018 X3 xDrive30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 208 Fuel-ups

  Property of crono06

• 22.4 Avg MPG

• My X3

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2023 • 42 Fuel-ups

  Property of TrevK

• 25.5 Avg MPG

• X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jun 2018 • 103 Fuel-ups

  Property of DigiSage

• 22.4 Avg MPG

• Joy

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jan 2024 • 19 Fuel-ups

  Property of WhippetMercury

• 21.9 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2018 • 181 Fuel-ups

  Property of Kacprus

• 19.7 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Dec 2020 • 148 Fuel-ups

  Property of DESRN

• 24.4 Avg MPG

• 2018 BMW X3 30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2018 • 139 Fuel-ups

  Property of htpcguru

• 25.9 Avg MPG

• X3 G01

  2018 BMW X3 XDrive30d Msport L6 DIESEL
  Added Jun 2018 • 121 Fuel-ups

  Property of yves67

• 30.7 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Sep 2018 • 152 Fuel-ups

  Property of wampcity

• 24.8 Avg MPG

• BMW X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Mar 2019 • 259 Fuel-ups

  Property of AndreWiget

• 24.1 Avg MPG

• Emmie the M40

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Mar 2023 • 42 Fuel-ups

  Property of mizznfizz

• 21.2 Avg MPG

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