Based on data from 90 vehicles, 4,338 fuel-ups and 1,312,856 miles of driving, the 2021 BMW X3 gets a combined Avg MPG of 23.70 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 (33) L4 DIESEL (1) L6 DIESEL (1) Any Body Style Sport Utility (24) Any Submodel xDrive30i Protection (1) sDrive20i (2) M (3) M Competition (10) xDrive30e (12) sDrive30i (13) xDrive30i (22) M40i (24) Other (3)

Below you can see a distribution of the fuel-ups with 297 outliers (6.41%) removed.

Following shows the average MPG of each of the 90 vehicles in the system.

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• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Apr 2024 • 36 Fuel-ups

  Property of stephnandy

• 24.8 Avg MPG

• X3 M Comp

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2023 • 79 Fuel-ups

  Property of RS2017

• 19.8 Avg MPG

• X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2024 • 42 Fuel-ups

  Property of HBrooks

• 27.5 Avg MPG

• 2021 X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2022 • 130 Fuel-ups

  Property of jerseyjers

• 15.9 Avg MPG

• My X3

  2021 BMW X3 xDrive30e 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed
  Added Mar 2024 • 16 Fuel-ups

  Property of jhoytde

• 52.8 Avg MPG

• My X3

  2021 BMW X3 sDrive30i
  Added Sep 2020 • 324 Fuel-ups

  Property of jav02c

• 26.4 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jul 2024 • 24 Fuel-ups

  Property of rainman_X3MC

• 17.6 Avg MPG

• X3 m40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 141 Fuel-ups

  Property of dustind

• 19.7 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2021 • 120 Fuel-ups

  Property of Fuel_Lee

• 18.7 Avg MPG

• Bimmer

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jun 2021 • 67 Fuel-ups

  Property of techfanboy

• 21.1 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2023 • 15 Fuel-ups

  Property of acetinbo08

• 22.8 Avg MPG

• X3-FL

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Dec 2023 • 12 Fuel-ups

  Property of jsliddle

• 23.3 Avg MPG

• BMW X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Sep 2023 • 33 Fuel-ups

  Property of mcgrufus

• 25.1 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2021 • 87 Fuel-ups

  Property of xinyeee

• 20.8 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Feb 2021 • 219 Fuel-ups

  Property of adorkindisguise

• 27.4 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2024 • 12 Fuel-ups

  Property of CRTheisen

• 24.6 Avg MPG

• X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 87 Fuel-ups

  Property of SWReefKeeper

• 18.0 Avg MPG

• X3PO

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added May 2021 • 114 Fuel-ups

  Property of Bigspence

• 29.8 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2024 • 6 Fuel-ups

  Property of g10ac05ta

• 14.0 Avg MPG

• X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2024 • 72 Fuel-ups

  Property of alibusoul

• 17.5 Avg MPG

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