Based on data from 98 vehicles, 7,749 fuel-ups and 2,409,952 miles of driving, the 2018 BMW X3 gets a combined Avg MPG of 23.17 with a 0.12 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 (4.89%) removed.

Following shows the average MPG of each of the 98 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 2018 • 63 Fuel-ups

  Property of cirusy

• 21.9 Avg MPG

• X3 2018

  2018 BMW X3 Automatic 8 Speed Sport Utility
  Added Jul 2021 • 91 Fuel-ups

  Property of primey007

• 33.7 Avg MPG

• BMW X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added May 2021 • 124 Fuel-ups

  Property of daneaaron

• 20.4 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2022 • 69 Fuel-ups

  Property of brownsugar

• 20.8 Avg MPG

• Threebie

  2018 BMW X3 sDrive20i Executive 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Apr 2019 • 132 Fuel-ups

  Property of alastiarmuir

• 36.7 Avg MPG

• Joy

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jan 2024 • 21 Fuel-ups

  Property of WhippetMercury

• 22.0 Avg MPG

• My X3

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed
  Added May 2018 • 168 Fuel-ups

  Property of mrsambell

• 23.3 Avg MPG

• The X3 M40i

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

  Property of focker

• 20.5 Avg MPG

• (B58 Buggy)

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2022 • 76 Fuel-ups

  Property of tnE30fan

• 24.0 Avg MPG

• BMW X3

  2018 BMW X3 sDrive20i Executive 2.0L L4 GAS Automatic 8 Speed
  Added Jan 2019 • 134 Fuel-ups

  Property of ricdegan

• 36.4 Avg MPG

• BMW X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 94 Fuel-ups

  Property of Razzz

• 17.6 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2020 • 162 Fuel-ups

  Property of jkhunter_06

• 21.3 Avg MPG

• BELLA

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Aug 2022 • 19 Fuel-ups

  Property of kriscruz

• 23.6 Avg MPG

• BMW

  2018 BMW X3
  Added Jun 2018 • 130 Fuel-ups

  Property of Waynobierman

• 24.5 Avg MPG

• BMW X3 xDrive20d G01

  2018 BMW X3 L4 DIESEL Automatic 8 Speed Sport Utility
  Added Aug 2020 • 63 Fuel-ups

  Property of allen5924

• 29.5 Avg MPG

• Ariel

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed
  Added Jun 2021 • 52 Fuel-ups

  Property of boudicea

• 22.0 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Feb 2018 • 106 Fuel-ups

  Property of KTMF

• 18.5 Avg MPG

• M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jul 2021 • 126 Fuel-ups

  Property of Dandle

• 17.4 Avg MPG

• X3 M40i

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jun 2018 • 172 Fuel-ups

  Property of mjmbtv

• 25.1 Avg MPG

• M’s X3 30i

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2018 • 195 Fuel-ups

  Property of indyrich

• 23.5 Avg MPG

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