Based on data from 129 vehicles, 8,534 fuel-ups and 2,201,731 miles of driving, the 2004 Subaru Outback gets a combined Avg MPG of 21.66 with a 0.09 MPG margin of error.

Any Engine Type 2.5L H4 GAS (65) 3.0L H6 GAS (34) GAS (1) H4 GAS (11) H6 GAS (12) Any Body Style Wagon (34) Any Submodel H6 VDC (3) H6 35th Anniversary Edition (5) H6 (7) Limited (14) L.L. Bean (20) Base (51) Other (29)

Below you can see a distribution of the fuel-ups with 471 outliers (5.23%) removed.

Following shows the average MPG of each of the 129 vehicles in the system.

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• Outback

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added Apr 2018 • 210 Fuel-ups

  Property of anjekwi

• 24.1 Avg MPG

• Erik’s Outback

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added Nov 2022 • 124 Fuel-ups

  Property of Meyer-4

• 21.8 Avg MPG

• 2004 Subaru Outback 3.0

  2004 Subaru Outback H6 35th Anniversary Edition 3.0L H6 GAS Automatic 4 Speed
  Added Jul 2023 • 39 Fuel-ups

  Property of NugFarmer

• 21.5 Avg MPG

• My Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed
  Added Mar 2024 • 3 Fuel-ups

  Property of azyvok

• 18.8 Avg MPG

• Pearl

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Mar 2022 • 75 Fuel-ups

  Property of helenstjohn

• 24.9 Avg MPG

• My Outback

  2004 Subaru Outback L.L. Bean 3L GAS H6 Automatic 4 Sedan (4 Door)
  Added May 2015 • 374 Fuel-ups

  Property of joltman614

• 21.1 Avg MPG

• Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed Wagon
  Added Aug 2015 • 94 Fuel-ups

  Property of umopapisdn

• 20.9 Avg MPG

• My Outback

  2004 Subaru Outback Limited 2.5L H4 GAS Automatic 4 Speed
  Added Nov 2022 • 69 Fuel-ups

  Property of wisero4

• 25.3 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 Wagon
  Added Jul 2021 • 54 Fuel-ups

  Property of BartS

• 20.7 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

• OutJack

  2004 Subaru Outback Limited 2.5L H4 GAS Manual 5 Speed Wagon
  Added May 2023 • 10 Fuel-ups

  Property of itsfreshmade

• 22.6 Avg MPG

• Ru

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed
  Added Dec 2017 • 117 Fuel-ups

  Property of Wugger

• 19.9 Avg MPG

• My Outback

  2004 Subaru Outback H6 VDC 3.0L H6 GAS Automatic 4 Speed
  Added Nov 2022 • 14 Fuel-ups

  Property of Sharphaus

• 21.5 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

• My Outback

  2004 Subaru Outback Limited 2.5L H4 GAS Automatic 4 Speed
  Added Oct 2018 • 166 Fuel-ups

  Property of hcoupe

• 24.5 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

• My Outback

  2004 Subaru Outback H6 35th Anniversary Edition 3.0L H6 GAS Automatic 4 Speed
  Added Nov 2022 • 32 Fuel-ups

  Property of thraxfish

• 20.1 Avg MPG

• My Outback

  2004 Subaru Outback L.L. Bean 3.0L H6 GAS Automatic 4 Speed
  Added Sep 2022 • 33 Fuel-ups

  Property of tkerver

• 18.6 Avg MPG

• 2004 Subaru Outback

  2004 Subaru Outback 2.5L H4 GAS Automatic 4 Speed
  Added Jul 2020 • 125 Fuel-ups

  Property of NugFarmer

• 22.8 Avg MPG

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