Audi A4
2004 only
2004 Audi A4 have 85 classified complaints on record for that year specifically, plus 1 recall. The most common issue in this year is Fuel pump and sending unit, typically surfacing around 85,000 miles.
Computed directly from stored federal records for 2004 model years only — not blended with the rest of this vehicle's production run. See the full Audi A4 report for every year combined.
Where this year fits
What breaks, and when — 2004 only
Median onset: 85,000 miles. 5.3% of these reported an injury, a death, or a crash with fire.
Typical repair: $630–$1,700 nationally.
Median onset: 100,000 miles.
Median onset: 41,000 miles.
Tends to show up earlier than this model's other issues. · More common in newer model years.
Median onset: 75,200 miles.
More common in newer model years.
Median onset: 118,000 miles.
Tends to show up later than this model's other issues. · More common in newer model years.
Median onset: 85,760 miles.
Median onset: 98,000 miles.
Typical repair: $260–$1,910 nationally.
Median onset: 83,500 miles.
From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.
Cost estimator: what will this one cost you?
Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.
Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2004 model year. See the full Audi A4 report for every year and full specs/safety data.