Based on data from 99 vehicles, 7,957 fuel-ups and 2,456,510 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 (6.72%) removed.

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

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• Emmie the M40

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Mar 2023 • 77 Fuel-ups

  Property of mizznfizz

• 20.9 Avg MPG

• My X3

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2023 • 90 Fuel-ups

  Property of TrevK

• 25.8 Avg MPG

• My X3

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

  Property of cmbancroft

• 21.7 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 138 Fuel-ups

  Property of darora15

• 21.9 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2019 • 209 Fuel-ups

  Property of derkconnor

• 23.4 Avg MPG

• Smokey X3

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2018 • 108 Fuel-ups

  Property of jarb

• 23.6 Avg MPG

• G01

  2018 BMW X3 M40i 3,0L L6 GAS Automatic 8 Speed Sport Utility
  Added May 2024 • 25 Fuel-ups

  Property of vytpau

• 19.8 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Dec 2020 • 194 Fuel-ups

  Property of DESRN

• 24.4 Avg MPG

• X3 xDrive30i

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jan 2018 • 326 Fuel-ups

  Property of RichL

• 22.8 Avg MPG

• 2018 BMW X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jun 2022 • 118 Fuel-ups

  Property of markpwilson

• 25.8 Avg MPG

• X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Feb 2023 • 46 Fuel-ups

  Property of FuelStar234

• 23.0 Avg MPG

• X3 M40i

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

  Property of DigiSage

• 22.8 Avg MPG

• My X3

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2023 • 52 Fuel-ups

  Property of LilGator

• 20.4 Avg MPG

• GUAGUA X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jan 2024 • 33 Fuel-ups

  Property of gcapote

• 26.1 Avg MPG

• 2018 BMW X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2021 • 102 Fuel-ups

  Property of beemer1

• 20.1 Avg MPG

• 2018 X3 xDrive30i

  2018 BMW X3 xDrive30i X Line 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 237 Fuel-ups

  Property of crono06

• 22.2 Avg MPG

• My X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added May 2022 • 76 Fuel-ups

  Property of rrkwiatkowski

• 19.6 Avg MPG

• BMW X3 20d M Sport

  2018 BMW X3 xDrive20d M Sport L4 DIESEL
  Added Jul 2018 • 177 Fuel-ups

  Property of Choti

• 30.2 Avg MPG

• X3

  2018 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Mar 2018 • 261 Fuel-ups

  Property of bst07

• 22.5 Avg MPG

• M40blue

  2018 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Apr 2018 • 294 Fuel-ups

  Property of M40blue

• 25.5 Avg MPG

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