2009 Audi A4 Reliability ReportCommon Problems, Repair Costs & Expert Verdict
Quick Facts · 2009 Audi A4
- Has 2 NHTSA recalls on record — the most notable involves the air bags:frontal:passenger side:inflator module.
- Scores 4 points below the strongest nearby year — the 2007 Audi A4 earns a 72.
- The system most likely to surface first: 2.0 tfsi engine reliability (critical severity).
Should You Buy the 2009 Audi A4?
The 2009 Audi A4, while offering a premium driving experience and sophisticated interior, comes with significant known reliability concerns, particularly with its 2.0 TFSI engine. This is a vehicle where meticulous pre-purchase inspection and a clear service history are not just recommended, but absolutely essential to avoid potentially catastrophic repair bills. Unless you are prepared for potential major engine work, approach with extreme caution.
Biggest Strengths
- Sophisticated interior design and material quality
- Engaging driving dynamics, especially with Quattro
- Excellent build quality (aside from specific mechanical flaws)
Top Risk Areas
The systems that break first on the 2009 Audi A4. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.
NHTSA Recalls
2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, the 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." Additionally, unless included in "Zone B" above, Volkswagen is recalling certain 2005-2008 Audi A4 Avant, A4 Sedan, A6 Sedan, S4 Avant and S4 Sedan vehicles, 2007-2008 A4 Cabriolet, RS4 Sedan, S4 Cabriolet and S6 Sedan vehicles, and 2006-2008 A6 Avant and 2008 RS4 Cabriolet vehicles originally sold, or ever 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. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules 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
Volkswagen Group of America, Inc. (VW) is recalling certain model year 2008-2009 Audi A4, A5, and Q5 vehicles. In the affected vehicles, the air bag control units may corrode and fail.
What breaks on the 2009 Audi A4?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
OwnerKeep Passport · $499 · one-time
Just bought a 2009 Audi A4? Keep it that way.
Snap a receipt — AI logs it. Build an OwnerScore. Sell with a buyer-ready Passport dossier.
Audi A4 by Year
Compare KeepScores across nearby years of the Audi A4. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2009 Audi A4
Parts and accessories matched to your 2009 Audi A4
As an Amazon Associate I earn from qualifying purchases.
Frequently Asked Questions
Related Comparisons
Just bought a 2009 Audi A4? Keep it that way.
OwnerKeep Passport turns your Audi A4's care history into a luxury digital vault — AI-logged receipts, an OwnerScore that pays at resale, and a buyer-ready dossier in one tap.
- AI receipt OCR — snap and log
- Fuel & mileage tracker
- Tri-Score OwnerScore
- One-tap resale dossier PDF
Recommended Reading for the Audi A4
Most Reliable Cars to Buy Used (Top 10 Ranked)
Get our expert-ranked list of the 10 most reliable used cars you can buy today, saving money and avoiding future headaches with smart choices.
Jeep Wrangler vs Toyota 4Runner: Which Lasts Longer?
Get the definitive answer: Which truly lasts longer, the Jeep Wrangler or Toyota 4Runner? Our comparison reveals their long-term durability.
Toyota Tacoma vs Chevy Colorado: Reliability Compared
Explore a head-to-head reliability comparison of the Toyota Tacoma vs. Chevy Colorado. Discover which truck truly stands out for long-term dependability.