Worst 2004 Audi A4 Problems
Top 3 most-reported issues with average mileage at failure.
Gasoline Fuel System
Airbags
Headlight/Taillight Failures
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All Problems by Category
Every NHTSA complaint category for the 2004 Audi A4.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Gasoline Fuel System | 35 | 1 | 1 | 66,858 mi | |
| Airbags | 18 | 1 | 1 | 92,607 mi | |
| Headlight/Taillight Failures | 14 | — | 1 | 79,638 mi | |
| Electrical Faults | 12 | — | 1 | 49,301 mi | |
| Fuel Pump | 12 | — | — | 53,409 mi | |
| Unintended Acceleration | 12 | 1 | — | 71,363 mi | |
| Tire Defects | 9 | — | — | 28,184 mi | |
| Engine Problems | 7 | — | 1 | 92,593 mi | |
| Engine & Cooling | 7 | — | — | 67,520 mi | |
| Engine And Engine Cooling:Engine | 7 | — | — | 62,184 mi | |
| Tires:Sidewall | 7 | — | — | 8,061 mi | |
| Air Bags:Frontal | 6 | 4 | — | 49,649 mi | |
| Automatic Transmission | 6 | 1 | — | 43,733 mi | |
| Fuel System | 5 | — | — | 91,740 mi | |
| Transmission / Drivetrain | 5 | — | — | 66,800 mi | |
| Visibility | 5 | — | — | 67,852 mi | |
| Fuel System, Other | 4 | — | — | — | |
| Vehicle Speed Control:Accelerator Pedal | 4 | — | — | — | |
| Engine And Engine Cooling:Exhaust System | 3 | — | — | — | |
| Hydraulic Brakes | 3 | — | — | — | |
| Visibility:Power Window Devices And Controls | 3 | — | — | — | |
| Visibility:Windshield | 3 | — | — | — | |
| Air Bags:Side/Window | 2 | 1 | — | — | |
| Electrical System:Ignition | 2 | — | — | — | |
| Engine And Engine Cooling:Cooling System | 2 | — | — | — | |
| Equipment:Mechanical:Accessory Scissor/Screw/Bottle Jack/Lift | 2 | — | — | — | |
| Steering Defects | 2 | — | — | — | |
| Visibility:Rear Window Wiper/Washer | 2 | — | — | — | |
| Instrument Cluster | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2004 Audi A4. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2004 Audi A4
1 NHTSA recall campaign affecting ~194,453 vehicles.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2004-2008 Audi A4, and 2005-2011 Audi A6 vehicles originally sold, or ever 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." Additionally, unless included in "Zone A" above, Volkswagen is recalling certain model year 2004-2008 Audi A4, and 2005-2008 Audi A6 vehicles originally sold, or ever 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." Lastly, unless included in "Zone A" or "Zone B" above, Volkswagen is recalling model year 2004 Audi A4 vehicles originally sold, or 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, 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.
Other Audi A4 Years
2004 Audi A4 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2004 Audi A4 reliable?
What are common problems with the 2004 Audi A4?
At what mileage do problems start on the 2004 Audi A4?
How safe is the 2004 Audi A4?
Does the 2004 Audi A4 have any recalls?
Should I buy a 2004 Audi A4?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Audi A4 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2004 Audi A4
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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