2004 Subaru WRX Reliability ReportC- grade · moderate risk · system-by-system breakdown
Quick Facts · 2004 Subaru WRX
- The system most likely to surface first: engine internal components (major severity).
- Has 5 NHTSA recalls on record — the most notable involves the air bags:frontal:passenger side:inflator module.
- Scores 3 points below the strongest nearby year — the 2006 Subaru WRX earns a 75.
Is the 2004 Subaru WRX Worth Buying?
The 2004 Subaru WRX offers an exhilarating driving experience but demands diligent maintenance and careful ownership to sustain its performance. While its AWD system and overall chassis are robust, the potent turbocharged EJ205 engine and certain suspension components are known weak points that can lead to significant repair bills if not proactively addressed. This is a car for the engaged enthusiast, not a set-it-and-forget-it daily driver.
The 2004 WRX is a fantastic driver's car with an iconic legacy, but it's not without its specific weaknesses. If you're an enthusiast willing to perform thorough pre-purchase inspections, commit to proactive maintenance, and have a healthy repair fund, it can be an incredibly rewarding ownership experience. However,…
Best Model Years
2006-2007 (featured refinements to the EJ25 engine, improved transmissions, and a slightly upgraded interior, generally considered more robust)
Years to Avoid
Generally, there aren't 'years to avoid' as much as individual cars to avoid. Early 2002-2003 'bug-eye' models had some minor initial quirks, but the 'blobeye' 2004-2005 are solid if well-maintained. Always prioritize condition over year for WRX.
Biggest Strengths
- Legendary Symmetrical All-Wheel Drive system
- Robust chassis and engaging handling
- Strong aftermarket support and community
What Tends to Fail First on the 2004 Subaru WRX
The systems that tend to fail first on the 2004 Subaru WRX, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
Piston ringland failures, particularly on cylinders 2 and 4, stemming from aggressive driving, poor tuning, or pre-detonation. This leads to oil consumption and loss of compression.
The restrictive banjo bolt filter in the turbo oil feed line is notorious for clogging, starving the turbo of oil and causing premature failure.
Significant rust can develop on rear wheel arches, rocker panels, and subframes, especially in areas with road salt. This can compromise aesthetics and structural integrity.
2004 Subaru WRX Mileage Danger Zones
The mileage windows when the 2004 Subaru WRX most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this early mileage, the primary concern is if the car has been heavily modified or abused from new, which could set the stage for premature engine or transmission issues. Otherwise, expect routine maintenance only.
Maintenance Zone
This is a critical point for proactive maintenance. The turbo banjo bolt filter should be checked or removed, and the timing belt (if not done sooner due to age) is usually due. Proactive steps here can prevent major engine issues down t…
Elevated Risk Zone
Expect suspension bushings and possibly original struts to be worn. Engine health becomes paramount; signs of ringland failure (increased oil consumption, loss of power) might start appearing, especially on cars with a history of aggress…
High Risk Zone
At this mileage, almost any major component could be due for replacement or significant repair. Major engine work (rebuild, turbo), transmission synchros, and a comprehensive suspension overhaul are all strong possibilities. Rust can als…
2004 Subaru WRX Ownership Cost Outlook
What it typically costs to keep the 2004 Subaru WRX on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$600-900
Moderate Repairs
$1,000-2,500 occasionally
How Long Does the 2004 Subaru WRX Last?
Aim for a well-maintained example under 100,000 miles, preferably with documented engine work or modifications that address known weak points. High mileage examples become increasingly risky without comprehensive service records and a thorough pre-purchase inspection.
What 2004 Subaru WRX Owners Actually Say
What Owners Love
- Legendary Symmetrical All-Wheel Drive provides exceptional grip and confidence in all weather conditions.
- Engaging driving dynamics, sharp steering, and strong turbocharged acceleration for its price point.
- Practical sedan body style with usable back seats and a decent trunk, making it a versatile daily driver.
- Vast aftermarket support and a passionate community make modifications and ownership enjoyable.
Common Frustrations
- Engine fragility (piston ringlands, turbo banjo bolt) can lead to unexpectedly expensive and major repair bills.
- Interior quality is basic, with hard plastics prone to rattles and creaks over time.
- Fuel economy is not great, especially with spirited driving, making it less economical for long commutes.
- Road noise can be significant at highway speeds, impacting long-distance comfort.
Who Should Buy the 2004 Subaru WRX?
Best For
- Driving enthusiasts who appreciate AWD and turbocharged performance.
- Individuals comfortable with potentially higher maintenance costs and DIY projects.
- Owners seeking a practical sports sedan for all-weather driving conditions.
Not Ideal For
- Budget-conscious buyers seeking minimal repair expenses.
- Drivers who neglect regular maintenance schedules or skip preventative measures.
How the 2004 Subaru WRX Compares to Rivals
The 2004 WRX offers a unique blend of practicality, all-weather performance, and aftermarket potential that few rivals can match. While it's generally more robust than some track-focused performance cars, it demands more specific and frequent attention than typical commuter ve…
More Reliable Than
- Mitsubishi Lancer Evolution VIII/IX (generally more extreme, higher running costs, even more fragile if modified poorly)
Comparable To
- Honda Civic Si (different FWD vs. AWD, but similar enthusiast appeal and potential for engine wear if abused)
- Volkswagen Golf R32 (different engine, but similar AWD performance and premium maintenance requirements)
2004 Subaru WRX Recall History
5 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
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
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.
What breaks on the 2004 Subaru WRX?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Subaru WRX Years to Consider
Compare KeepScores across nearby years of the Subaru WRX. Click any year for its full report.
2004 Subaru WRX Alternatives
Similar class, similar year range — ranked by KeepScore.
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