2004 Subaru Legacy

Photo: Vauxford / CC BY-SA 4.0 / Wikimedia Commons

2004 Subaru Legacy: common problems and reliability

· 4th generation

An average Legacy year.

49 owner complaints, most about air bags. 11 recalls.

Should I buy a 2004 Legacy?

The 2004 Subaru Legacy has 49 owner-filed NHTSA complaints and 11 recalls on record. The most-reported areas are air bags and engine. Owners most often flag timing belt and water pump due by age or mileage (~105k miles / 170k km).

Safety record for the 2004 model year

49
Owner complaints
11
Recalls
5
Crash reports
0
Fire reports

Source: NHTSA complaints and recalls filed for 2004 Subaru Legacy vehicles (US, public record).

The Year Score compares this year with other Legacy years only. How we score it

Is 2004 a good year for the Legacy?

Across the 30 Legacy model years we track, complaint volume runs from 10 (2023) to 184 (2005). With 49 complaints, the 2004 Legacy sits below the model's median of 90.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

air bags
26
engine
5
vehicle speed control
5
fuel/propulsion system
4
service brakes
3

Recalls affecting the 2004 Legacy

air bags:frontal:passenger side:inflator module

Campaign 20V003000

Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

air bags:frontal:passenger side:inflator module

Campaign 20V002000

Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

air bags:frontal:passenger side:inflator module

Campaign 20V001000

Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (STI included), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

air bags:frontal:passenger side:inflator module

Campaign 16V361000

Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, and Baja vehicles originally sold or that have ever been registered in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming, or "Zone C.". These vehicles may be equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Show 7 more recalls

air bags:frontal:passenger side:inflator module

Campaign 15V323000

Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Subaru Baja vehicles manufactured January 22, 2003, to July 21, 2004, 2004-2005 Impreza vehicles manufactured January 28, 2003, to May 31, 2005, 2003-2008 Subaru Legacy vehicles manufactured January 22, 2003, to May 2, 2008, 2003-2008 Subaru Outback vehicles manufactured February 18, 2003, to May 5, 2008, and 2005 Saab 9-2x vehicles manufactured February 11, 2004, to March 17, 2005. The affected vehicles are equipped with a passenger side frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture upon its deployment.

air bags:frontal:passenger side:inflator module

Campaign 16V358000

Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2009-2011 Legacy, Outback, Forester, 2006-2011 Impreza, Tribeca, 2003-2006 Baja, and 2006 Saab 9-2x vehicles originally sold or that have ever been registered in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." These vehicles may be equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

air bags:frontal:passenger side:inflator module

Campaign 16V359000

Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2006-2008 Impreza, Tribeca, 2006 Saab 9-2x, and 2003-2006 Baja vehicles originally sold or that have ever been registered in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." These vehicles may be equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

air bags

Campaign 14V763000

Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy and Outback vehicles, and 2003-2005 Baja vehicles sold, or ever registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Puerto Rico, Hawaii, the U.S. Virgin Islands, Guam, Saipan, American Samoa, Florida and adjacent counties in southern Georgia, as well as the coastal areas of Alabama, Louisiana, Mississippi and Texas. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

fuel system, gasoline:delivery:fuel pump

Campaign 13E065000

Airtex Products LP (Airtex) is recalling certain model E8598M, E8518M, E8600M, E8596M, and E8597M fuel pumps manufactured July 26, 2013, and July 29, 2013 and used as aftermarket replacements on Subaru Baja's, Outback's and Legacy's. The affected fuel pumps were sold or installed into the aftermarket applications on or after July 26, 2013, and may may leak fuel from the base of a fuel line connection when the gas tank is full.

vehicle speed control:cables

Campaign 04V128000

ON CERTAIN PASSENGER SEDANS, WAGONS, AND SPORT UTILITY VEHICLES, THE CRUISE CONTROL CABLE COULD COME OUT OF ITS TRACK ON THE CRUISE CONTROL LEVER AND LODGE ON THE CONTROL LEVER TAB WHEN THE ACCELERATOR PEDAL IS RELEASED. IF THIS CONDITION OCCURS, THE THROTTLE WILL NOT RETURN TO THE IDLE POSITION AND WILL REMAIN IN AN OPEN POSITION.

fuel system, gasoline:storage:tank assembly:filler pipe and cap

Campaign 03V303000

CERTAIN PASSENGER OR SPORT UTILITY VEHICLES MAY HAVE A LOOSE OR OUT OF POSITION FUEL FILLER HOSE CLAMP.

What owners report on the 4th generation Legacy

Owners are passionate about this generation, frequently calling it their favorite era of Subaru design and describing the Legacy GT as a "sleeper" and a joy to drive.

  • Very frequentHead gasket failure on naturally aspirated 2.5L engines, especially pre-2005 models
  • Very frequentTiming belt and water pump due by age or mileage (~105k miles / 170k km)
  • Very frequentOil consumption, particularly on higher-mileage engines
  • RecurrentBanjo bolt oil filters clogging and starving the turbo of oil
  • RecurrentCatted up-pipe breaking down and sending debris into the turbo (2005-2006)

Owner insights for the 4th generation Legacy. Read the full 4th generation owner report.

Typical used price

Used Legacy listings typically run $11,500–$22,749 across 2003 to 2025 model years.

Other Legacy model years

Compare every Legacy year side by side to see how 2004 ranks against the rest.

Compare the Legacy against its rivals

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