Based on data from 82 vehicles, 3,768 fuel-ups and 1,142,414 miles of driving, the 2021 BMW X3 gets a combined Avg MPG of 23.71 with a 0.20 MPG margin of error.

Any Engine Type 2.0L L4 ELECTRIC/GAS (8) 2.0L L4 GAS (33) 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) (4) 3.0L L6 GAS (30) L4 DIESEL (1) Any Body Style Sport Utility (21) Any Submodel xDrive30i Protection (1) sDrive20i (2) M (3) M Competition (8) sDrive30i (10) xDrive30e (12) xDrive30i (21) M40i (23) Other (2)

Below you can see a distribution of the fuel-ups with 264 outliers (6.55%) removed.

Following shows the average MPG of each of the 82 vehicles in the system.

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• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2024 • 20 Fuel-ups

  Property of timmiii

• 18.2 Avg MPG

• X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2024 • 21 Fuel-ups

  Property of HBrooks

• 27.6 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2022 • 52 Fuel-ups

  Property of ApexMom

• 25.9 Avg MPG

• X3 m40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 126 Fuel-ups

  Property of dustind

• 19.7 Avg MPG

• 2021 X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2022 • 114 Fuel-ups

  Property of jerseyjers

• 15.9 Avg MPG

• Starbuck

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added May 2024 • 9 Fuel-ups

  Property of 007_Altitude

• 22.4 Avg MPG

• X3e

  2021 BMW X3 xDrive30e 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed Sport Utility
  Added Oct 2020 • 58 Fuel-ups

  Property of tmeasday1

• 40.9 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Feb 2021 • 199 Fuel-ups

  Property of adorkindisguise

• 27.4 Avg MPG

• Helmut Schmetterling

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Mar 2021 • 212 Fuel-ups

  Property of mxro

• 24.1 Avg MPG

• My X3

  2021 BMW X3 sDrive30i
  Added Sep 2020 • 297 Fuel-ups

  Property of jav02c

• 26.4 Avg MPG

• Knapp

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Oct 2022 • 41 Fuel-ups

  Property of SeanK

• 26.0 Avg MPG

• My X3

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

  Property of artbkward

• 31.4 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Apr 2024 • 15 Fuel-ups

  Property of stephnandy

• 25.5 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2023 • 11 Fuel-ups

  Property of acetinbo08

• 22.9 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Aug 2023 • 14 Fuel-ups

  Property of SeaLand

• 22.7 Avg MPG

• Emma

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2023 • 28 Fuel-ups

  Property of aplarue

• 22.8 Avg MPG

• X3 LR71 OSP

  2021 BMW X3 xDrive30e 2.0L L4 ELECTRIC/GAS Automatic 8 Speed
  Added Nov 2021 • 53 Fuel-ups

  Property of trickie

• 53.8 Avg MPG

• X3-1

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Apr 2021 • 82 Fuel-ups

  Property of tienbac2005

• 26.3 Avg MPG

• Dirty Diana!

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2024 • 3 Fuel-ups

  Property of beardgod

• 18.3 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2021 • 78 Fuel-ups

  Property of xinyeee

• 20.9 Avg MPG

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