Based on data from 131 vehicles, 8,954 fuel-ups and 2,309,066 miles of driving, the 2004 Subaru Outback gets a combined Avg MPG of 21.70 with a 0.08 MPG margin of error.

Any Engine Type 2.5L H4 GAS (64) 3.0L H6 GAS (37) GAS (1) H4 GAS (11) H6 GAS (12) Any Body Style Wagon (34) Any Submodel H6 VDC (3) H6 35th Anniversary Edition (5) H6 (8) Limited (14) L.L. Bean (22) Base (50) Other (29)

Below you can see a distribution of the fuel-ups with 476 outliers (5.05%) removed.

Following shows the average MPG of each of the 131 vehicles in the system.

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• Pearl

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Mar 2022 • 117 Fuel-ups

  Property of helenstjohn

• 24.5 Avg MPG

• 2004 Outback Red

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added May 2024 • 147 Fuel-ups

  Property of deejaedub

• 25.9 Avg MPG

• My Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Jul 2021 • 72 Fuel-ups

  Property of BartS

• 20.4 Avg MPG

• My Outback

  2004 Subaru Outback L.L. Bean 3L GAS H6 Automatic 4 Sedan (4 Door)
  Added May 2015 • 409 Fuel-ups

  Property of joltman614

• 21.1 Avg MPG

• 2004 Subaru Outback 3.0

  2004 Subaru Outback H6 35th Anniversary Edition 3.0L H6 GAS Automatic 4 Speed
  Added Jul 2023 • 82 Fuel-ups

  Property of NugFarmer

• 21.7 Avg MPG

• My Outback

  2004 Subaru Outback Limited 2.5L H4 GAS Automatic 4 Speed
  Added Nov 2022 • 78 Fuel-ups

  Property of wisero4

• 24.9 Avg MPG

• Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Aug 2015 • 110 Fuel-ups

  Property of umopapisdn

• 20.5 Avg MPG

• Ru

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed
  Added Dec 2017 • 126 Fuel-ups

  Property of Wugger

• 19.9 Avg MPG

• Erik’s Outback

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added Nov 2022 • 196 Fuel-ups

  Property of Meyer-4

• 21.7 Avg MPG

• Gold Boi

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed Wagon
  Added Apr 2024 • 56 Fuel-ups

  Property of thatcarguy3

• 21.4 Avg MPG

• Jenny

  2004 Subaru Outback H6 3.0L H6 GAS Automatic 4 Speed
  Added Feb 2025 • 8 Fuel-ups

  Property of Sanchinator

• 23.1 Avg MPG

• My Outback

  2004 Subaru Outback H6 VDC 3.0L H6 GAS Automatic 4 Speed
  Added Nov 2022 • 25 Fuel-ups

  Property of Sharphaus

• 21.7 Avg MPG

• OutJack

  2004 Subaru Outback Limited 2.5L H4 GAS Manual 5 Speed Wagon
  Added May 2023 • 16 Fuel-ups

  Property of itsfreshmade

• 23.7 Avg MPG

• Outback

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added Apr 2018 • 223 Fuel-ups

  Property of anjekwi

• 24.0 Avg MPG

• My Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed
  Added Mar 2024 • 13 Fuel-ups

  Property of azyvok

• 20.6 Avg MPG

• My Outback

  2004 Subaru Outback Limited 2.5L H4 GAS Automatic 4 Speed
  Added Oct 2018 • 167 Fuel-ups

  Property of hcoupe

• 24.5 Avg MPG

• Subaru

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Sep 2018 • 294 Fuel-ups

  Property of jshowalter

• 23.5 Avg MPG

• My Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed
  Added Sep 2021 • 8 Fuel-ups

  Property of guycanada

• 46.3 Avg MPG

• 2004 Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Feb 2018 • 4 Fuel-ups

  Property of TheStillMan

• 15.5 Avg MPG

• BSB489

  2004 Subaru Outback H6 VDC 3.0L H6 GAS Automatic 5 Speed Wagon
  Added Nov 2017 • 177 Fuel-ups

  Property of Gotasuby

• 18.3 Avg MPG

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