Based on data from 99 vehicles, 7,884 fuel-ups and 2,434,556 miles of driving, the 2018 BMW X3 gets a combined Avg MPG of 23.03 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 573 outliers (6.78%) removed.

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

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• My X3

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2023 • 85 Fuel-ups

  Property of TrevK

• 25.9 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added May 2022 • 74 Fuel-ups

  Property of rrkwiatkowski

• 19.8 Avg MPG

• 2018 BMW X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jun 2022 • 116 Fuel-ups

  Property of markpwilson

• 25.9 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 50 Fuel-ups

  Property of LilGator

• 20.4 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2024 • 7 Fuel-ups

  Property of cmbancroft

• 21.7 Avg MPG

• X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 258 Fuel-ups

  Property of bst07

• 22.5 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Dec 2020 • 190 Fuel-ups

  Property of DESRN

• 24.4 Avg MPG

• BMW X3 Xdrive30i

  2018 BMW X3 xDrive30i X Line 2,0L L4 GAS Automatic 8 Speed
  Added Aug 2021 • 98 Fuel-ups

  Property of FTikka

• 24.5 Avg MPG

• M40blue

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Apr 2018 • 291 Fuel-ups

  Property of M40blue

• 25.5 Avg MPG

• Beeeemer X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Sep 2022 • 60 Fuel-ups

  Property of cream92

• 22.1 Avg MPG

• 2018 BMW X3 30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2018 • 160 Fuel-ups

  Property of htpcguru

• 25.9 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Nov 2018 • 144 Fuel-ups

  Property of Beauduf

• 25.0 Avg MPG

• X3 G01

  2018 BMW X3 X Line 3.0d L6 DIESEL Automatic 8 Speed
  Added Mar 2018 • 94 Fuel-ups

  Property of Broos10

• 31.0 Avg MPG

• Emmie the M40

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Mar 2023 • 72 Fuel-ups

  Property of mizznfizz

• 20.9 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 130 Fuel-ups

  Property of darora15

• 21.9 Avg MPG

• X3 xDrive30i

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jan 2018 • 321 Fuel-ups

  Property of RichL

• 22.8 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2018 • 198 Fuel-ups

  Property of Kacprus

• 19.6 Avg MPG

• 2018 X3 xDrive30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 234 Fuel-ups

  Property of crono06

• 22.2 Avg MPG

• X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jun 2018 • 124 Fuel-ups

  Property of DigiSage

• 22.8 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2019 • 205 Fuel-ups

  Property of derkconnor

• 23.5 Avg MPG

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