Based on data from 133 vehicles, 9,165 fuel-ups and 2,365,657 miles of driving, the 2004 Subaru Outback gets a combined Avg MPG of 21.73 with a 0.08 MPG margin of error.

Any Engine Type 2.5L H4 GAS (64) 3.0L H6 GAS (39) GAS (1) H4 GAS (11) H6 GAS (12) Any Body Style Wagon (34) Any Submodel H6 VDC (3) H6 35th Anniversary Edition (5) H6 (9) Limited (14) L.L. Bean (23) Base (50) Other (29)

Below you can see a distribution of the fuel-ups with 485 outliers (5.03%) removed.

Following shows the average MPG of each of the 133 vehicles in the system.

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• Ru

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed
  Added Dec 2017 • 134 Fuel-ups

  Property of Wugger

• 20.1 Avg MPG

• 2004 Outback Red

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added May 2024 • 237 Fuel-ups

  Property of deejaedub

• 26.8 Avg MPG

• 2004 Subaru Outback 3.0

  2004 Subaru Outback H6 35th Anniversary Edition 3.0L H6 GAS Automatic 4 Speed
  Added Jul 2023 • 109 Fuel-ups

  Property of NugFarmer

• 21.8 Avg MPG

• My Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Jul 2021 • 87 Fuel-ups

  Property of BartS

• 20.3 Avg MPG

• Erik’s Outback

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added Nov 2022 • 229 Fuel-ups

  Property of Meyer-4

• 21.8 Avg MPG

• My Outback

  2004 Subaru Outback L.L. Bean 3L GAS H6 Automatic 4 Sedan (4 Door)
  Added May 2015 • 419 Fuel-ups

  Property of joltman614

• 21.1 Avg MPG

• My Outback

  2004 Subaru Outback Limited 2.5L H4 GAS Automatic 4 Speed
  Added Nov 2022 • 86 Fuel-ups

  Property of wisero4

• 24.5 Avg MPG

• My Outback

  2004 Subaru Outback H6 VDC 3.0L H6 GAS Automatic 4 Speed
  Added Nov 2022 • 29 Fuel-ups

  Property of Sharphaus

• 21.6 Avg MPG

• Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Aug 2015 • 120 Fuel-ups

  Property of umopapisdn

• 20.2 Avg MPG

• My Outback

  2004 Subaru Outback H6 3.0L H6 GAS Automatic 4 Speed
  Added Sep 2025 • 5 Fuel-ups

  Property of Mihail85

• 18.8 Avg MPG

• Gold Boi

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed Wagon
  Added Apr 2024 • 69 Fuel-ups

  Property of thatcarguy3

• 21.3 Avg MPG

• My Outback

  2004 Subaru Outback Limited 2.5L H4 GAS Automatic 4 Speed
  Added Oct 2018 • 168 Fuel-ups

  Property of hcoupe

• 24.5 Avg MPG

• Pearl

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Mar 2022 • 125 Fuel-ups

  Property of helenstjohn

• 24.6 Avg MPG

• My Outback

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added Feb 2025 • 7 Fuel-ups

  Property of 4strands

• 32.0 Avg MPG

• 2004 Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Feb 2018 • 5 Fuel-ups

  Property of TheStillMan

• 16.6 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

• 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

• 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

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