Based on data from 93 vehicles, 4,857 fuel-ups and 1,463,249 miles of driving, the 2021 BMW X3 gets a combined Avg MPG of 23.61 with a 0.18 MPG margin of error.

Any Engine Type 2.0L L4 ELECTRIC/GAS (8) 2.0L L4 GAS (37) 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) (4) 3.0L L6 GAS (34) L4 DIESEL (1) L6 DIESEL (3) Any Body Style Sport Utility (24) Any Submodel xDrive30i Protection (1) sDrive20i (2) M (3) M Competition (11) xDrive30e (12) sDrive30i (13) xDrive30i (22) M40i (24) Other (5)

Below you can see a distribution of the fuel-ups with 317 outliers (6.13%) removed.

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

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• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2021 • 95 Fuel-ups

  Property of xinyeee

• 20.8 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2021 • 144 Fuel-ups

  Property of littlekingdoms

• 26.4 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2024 • 19 Fuel-ups

  Property of g10ac05ta

• 14.6 Avg MPG

• X3 m40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 153 Fuel-ups

  Property of dustind

• 19.8 Avg MPG

• X3 (G01)

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Aug 2024 • 35 Fuel-ups

  Property of prim1013

• 23.7 Avg MPG

• X3e

  2021 BMW X3 xDrive30e 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed Sport Utility
  Added Oct 2020 • 84 Fuel-ups

  Property of tmeasday1

• 42.8 Avg MPG

• X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2024 • 64 Fuel-ups

  Property of HBrooks

• 27.2 Avg MPG

• Knapp

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Oct 2022 • 60 Fuel-ups

  Property of SeanK

• 26.2 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2021 • 109 Fuel-ups

  Property of mobike008

• 22.7 Avg MPG

• Helmut Schmetterling

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Mar 2021 • 279 Fuel-ups

  Property of mxro

• 24.0 Avg MPG

• My X3

  2021 BMW X3 M40i
  Added Dec 2020 • 135 Fuel-ups

  Property of donhcd

• 23.2 Avg MPG

• X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jan 2025 • 17 Fuel-ups

  Property of jeanharry

• 18.8 Avg MPG

• My X3

  2021 BMW X3 xDrive30e 2.0L L4 ELECTRIC/GAS Automatic 8 Speed
  Added Feb 2021 • 101 Fuel-ups

  Property of evolude

• 30.7 Avg MPG

• BMW X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Sep 2023 • 40 Fuel-ups

  Property of mcgrufus

• 25.5 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2024 • 43 Fuel-ups

  Property of timmiii

• 17.6 Avg MPG

• My X3

  2021 BMW X3 xDrive30e 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed
  Added Mar 2024 • 26 Fuel-ups

  Property of jhoytde

• 48.0 Avg MPG

• 2021 X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2022 • 150 Fuel-ups

  Property of jerseyjers

• 15.7 Avg MPG

• My X3

  2021 BMW X3 sDrive30i
  Added Sep 2020 • 348 Fuel-ups

  Property of jav02c

• 26.2 Avg MPG

• Emma

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2023 • 53 Fuel-ups

  Property of aplarue

• 23.5 Avg MPG

• X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 96 Fuel-ups

  Property of SWReefKeeper

• 17.8 Avg MPG

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