Based on data from 88 vehicles, 4,162 fuel-ups and 1,258,978 miles of driving, the 2021 BMW X3 gets a combined Avg MPG of 23.68 with a 0.19 MPG margin of error.

Any Engine Type 2.0L L4 ELECTRIC/GAS (8) 2.0L L4 GAS (36) 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) (4) 3.0L L6 GAS (33) L4 DIESEL (1) Any Body Style Sport Utility (23) Any Submodel xDrive30i Protection (1) sDrive20i (2) M (3) M Competition (10) sDrive30i (12) xDrive30e (12) xDrive30i (22) M40i (24) Other (2)

Below you can see a distribution of the fuel-ups with 292 outliers (6.56%) removed.

Following shows the average MPG of each of the 88 vehicles in the system.

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• Dirty Diana!

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2024 • 11 Fuel-ups

  Property of beardgod

• 19.5 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2024 • 38 Fuel-ups

  Property of artbkward

• 31.6 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2024 • 9 Fuel-ups

  Property of CRTheisen

• 25.1 Avg MPG

• 2021 X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2022 • 125 Fuel-ups

  Property of jerseyjers

• 15.9 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2023 • 15 Fuel-ups

  Property of SeaLand

• 22.7 Avg MPG

• My X3

  2021 BMW X3 sDrive30i
  Added Sep 2020 • 320 Fuel-ups

  Property of jav02c

• 26.4 Avg MPG

• X3e

  2021 BMW X3 xDrive30e 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed Sport Utility
  Added Oct 2020 • 69 Fuel-ups

  Property of tmeasday1

• 39.7 Avg MPG

• My X3

  2021 BMW X3 M40i
  Added Dec 2020 • 128 Fuel-ups

  Property of donhcd

• 23.4 Avg MPG

• Bimmer

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Jun 2021 • 66 Fuel-ups

  Property of techfanboy

• 21.1 Avg MPG

• X3 (G01)

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Aug 2024 • 13 Fuel-ups

  Property of prim1013

• 24.7 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Apr 2024 • 30 Fuel-ups

  Property of stephnandy

• 24.9 Avg MPG

• BMW X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Sep 2023 • 27 Fuel-ups

  Property of mcgrufus

• 25.0 Avg MPG

• BMW

  2021 BMW X3 M 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Nov 2020 • 81 Fuel-ups

  Property of Perkowski

• 39.3 Avg MPG

• X3 M Comp

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2023 • 71 Fuel-ups

  Property of RS2017

• 19.8 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2021 • 117 Fuel-ups

  Property of Fuel_Lee

• 18.7 Avg MPG

• Emma

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2023 • 38 Fuel-ups

  Property of aplarue

• 22.8 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2024 • 29 Fuel-ups

  Property of timmiii

• 18.0 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2024 • 4 Fuel-ups

  Property of g10ac05ta

• 13.5 Avg MPG

• X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 86 Fuel-ups

  Property of SWReefKeeper

• 18.0 Avg MPG

• Apollo

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added May 2024 • 18 Fuel-ups

  Property of 007_Altitude

• 22.7 Avg MPG

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