Based on data from 90 vehicles, 4,377 fuel-ups and 1,323,878 miles of driving, the 2021 BMW X3 gets a combined Avg MPG of 23.69 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 301 outliers (6.43%) removed.

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

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• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2021 • 121 Fuel-ups

  Property of Fuel_Lee

• 18.7 Avg MPG

• X3 M Comp

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2023 • 81 Fuel-ups

  Property of RS2017

• 19.7 Avg MPG

• Bluey X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Apr 2024 • 12 Fuel-ups

  Property of Sangria

• 27.0 Avg MPG

• X3e

  2021 BMW X3 xDrive30e 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed Sport Utility
  Added Oct 2020 • 74 Fuel-ups

  Property of tmeasday1

• 39.1 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Feb 2021 • 221 Fuel-ups

  Property of adorkindisguise

• 27.4 Avg MPG

• BMW

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Jan 2024 • 17 Fuel-ups

  Property of J_Willy

• 28.7 Avg MPG

• X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2024 • 74 Fuel-ups

  Property of alibusoul

• 17.4 Avg MPG

• Wendi x3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Mar 2024 • 18 Fuel-ups

  Property of WendiMcYeti

• 21.8 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2024 • 34 Fuel-ups

  Property of timmiii

• 17.9 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2024 • 7 Fuel-ups

  Property of g10ac05ta

• 13.9 Avg MPG

• X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2024 • 44 Fuel-ups

  Property of HBrooks

• 27.4 Avg MPG

• Dirty Diana!

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2024 • 14 Fuel-ups

  Property of beardgod

• 20.3 Avg MPG

• Apollo

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

  Property of 007_Altitude

• 22.7 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2022 • 63 Fuel-ups

  Property of ApexMom

• 25.6 Avg MPG

• X3 m40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 142 Fuel-ups

  Property of dustind

• 19.7 Avg MPG

• Emma

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed Sport Utility
  Added Aug 2023 • 41 Fuel-ups

  Property of aplarue

• 22.9 Avg MPG

• My X3

  2021 BMW X3 xDrive30e 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed
  Added Mar 2024 • 17 Fuel-ups

  Property of jhoytde

• 51.5 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Oct 2021 • 103 Fuel-ups

  Property of mobike008

• 22.6 Avg MPG

• My X3

  2021 BMW X3 sDrive30i
  Added Sep 2020 • 326 Fuel-ups

  Property of jav02c

• 26.3 Avg MPG

• 2021 X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2022 • 131 Fuel-ups

  Property of jerseyjers

• 15.8 Avg MPG

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