Based on data from 75 vehicles, 3,580 fuel-ups and 1,083,402 miles of driving, the 2021 BMW X3 gets a combined Avg MPG of 23.68 with a 0.20 MPG margin of error.

Any Engine Type 2.0L L4 ELECTRIC/GAS (8) 2.0L L4 GAS (31) 2.0L L4 PLUG-IN HYBRID EV-GAS (PHEV) (2) 3.0L L6 GAS (27) L4 DIESEL (1) Any Body Style Sport Utility (17) Any Submodel xDrive30i Protection (1) sDrive20i (2) M (3) M Competition (7) sDrive30i (9) xDrive30e (10) xDrive30i (20) M40i (21) Other (2)

Below you can see a distribution of the fuel-ups with 241 outliers (6.31%) removed.

Following shows the average MPG of each of the 75 vehicles in the system.

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• 2021 X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2022 • 108 Fuel-ups

  Property of jerseyjers

• 16.0 Avg MPG

• X3M

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jan 2024 • 25 Fuel-ups

  Property of alibusoul

• 17.9 Avg MPG

• My X3

  2021 BMW X3 xDrive30e 2.0L L4 ELECTRIC/GAS Automatic 8 Speed
  Added Feb 2021 • 88 Fuel-ups

  Property of evolude

• 31.4 Avg MPG

• X3 M40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Apr 2024 • 3 Fuel-ups

  Property of Sangria

• 26.4 Avg MPG

• Helmut Schmetterling

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Mar 2021 • 194 Fuel-ups

  Property of mxro

• 24.2 Avg MPG

• John & Karmen Lemberg

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Jun 2021 • 116 Fuel-ups

  Property of jonyrotn

• 22.6 Avg MPG

• X3-FL

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

  Property of jsliddle

• 23.3 Avg MPG

• My X3

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

  Property of michael_socal

• 19.9 Avg MPG

• X3 m40i

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added May 2021 • 117 Fuel-ups

  Property of dustind

• 19.7 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2021 • 116 Fuel-ups

  Property of littlekingdoms

• 26.9 Avg MPG

• X3 M Comp

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2023 • 45 Fuel-ups

  Property of RS2017

• 19.6 Avg MPG

• My X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Mar 2024 • 6 Fuel-ups

  Property of artbkward

• 30.8 Avg MPG

• X3

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

  Property of HBrooks

• 28.9 Avg MPG

• BMW X3 M40i

  2021 BMW X3 M40i 3,0L L6 GAS Automatic 8 Speed
  Added Nov 2021 • 48 Fuel-ups

  Property of GaryMc

• 19.4 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Feb 2021 • 186 Fuel-ups

  Property of adorkindisguise

• 27.5 Avg MPG

• My X3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed
  Added Mar 2021 • 156 Fuel-ups

  Property of jchien

• 25.5 Avg MPG

• Wendi x3

  2021 BMW X3 M40i 3.0L L6 GAS Automatic 8 Speed Sport Utility
  Added Mar 2024 • 5 Fuel-ups

  Property of WendiMcYeti

• 22.0 Avg MPG

• My X3

  2021 BMW X3 M Competition 3.0L L6 GAS Automatic 8 Speed
  Added Jun 2021 • 108 Fuel-ups

  Property of Fuel_Lee

• 18.6 Avg MPG

• My X3

  2021 BMW X3 sDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Sep 2022 • 46 Fuel-ups

  Property of ApexMom

• 26.2 Avg MPG

• 2021 X3

  2021 BMW X3 xDrive30i 2.0L L4 GAS Automatic 8 Speed
  Added Apr 2021 • 105 Fuel-ups

  Property of rbaams

• 22.9 Avg MPG

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