Audi A4 Power Train Problems
Owners have filed 201 complaints with NHTSA about power train problems on the Audi A4 across 24 model years. The 2003 model year has the most (43). The words owners use most often: “transmission control” (12% of reports).
- 201power train complaints
- —median miles at failure
- 5mention a crash
- 1mention an injury
- 0related recalls
- $4,600typical repair cost reported by owners
- 33%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Transmission control: mentioned in 25 of 201 complaints (12%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical power train repair on the Audi A4 at $4,600, and half of them between $3,600 and $10,150.
Based on 32 NHTSA complaints about this problem alone that state a repair bill or quote (2004–2025), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do power train problems happen?
Based on 136 complaints that reported the odometer reading.
How serious are the reports?
Of 201 complaints, 5 mention a crash, 2 a fire, 1 an injury.
Audi A4 power train complaints by model year
| Model year | Power Train complaints | Share of that year | Median miles |
|---|---|---|---|
| 2022 A4 | 1 | 17% | — |
| 2021 A4 | 2 | 18% | — |
| 2018 A4 | 5 | 11% | 14,000 |
| 2017 A4 | 4 | 7% | 257,000 |
| 2016 A4 | 1 | 9% | — |
| 2015 A4 | 1 | 5% | — |
| 2014 A4 | 2 | 6% | — |
| 2012 A4 | 2 | 11% | 80,000 |
| 2011 A4 | 3 | 27% | 74,000 |
| 2010 A4 | 9 | 14% | 54,000 |
| 2009 A4 | 6 | 5% | 11,100 |
| 2008 A4 | 12 | 7% | 66,000 |
| 2007 A4 | 11 | 6% | 88,525 |
| 2006 A4 | 14 | 5% | 58,500 |
| 2005 A4 | 16 | 7% | 48,500 |
| 2004 A4 | 12 | 6% | 41,000 |
| 2003 A4 | 43 | 20% | 75,000 |
| 2002 A4 | 16 | 9% | 75,000 |
| 2001 A4 | 5 | 4% | 65,000 |
| 2000 A4 | 8 | 8% | 48,250 |
| 1999 A4 | 10 | 5% | 126,963 |
| 1998 A4 | 7 | 3% | 44,792 |
| 1997 A4 | 5 | 5% | 64,000 |
| 1996 A4 | 6 | 7% | — |
When owners reported it
Related recalls (0)
No safety recall lists power train for the Audi A4. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
A vehicle diagnostic scan dated 04/15/2026 at approximately 88,502 miles showed a stored transmission electronics fault: P084100, described as âTransmission fluid pressure sensor/switch A range/performance,â with status listed as passive/sporadic. This indicates a transmission / powertrain…
My wife drove back home from work around 5:45 PM EST on March 2, 2026 and parked the car in the garage as always. She parked and turned off the car and got out to check the mail from the mailbox across the street. The music stopped when she turned off the car ignition after putting the transmission…
I am writing to report a persistent issue with my 2021 Audi A4, VIN [XXX] . I have been experiencing a noticeable vibration, humming, and shuddering sensation that occurs specifically when turning at slow speeds (e.g., in a parking lot or when making a tight turn at an intersection). This issue has…
The vehicle at 13,xxx miles on the high ways, and during stop & go traffic; vehicle begins to tremble, transmission and floor shakes, rpms are higher than normal, abnormal noises coming from engine (screeching), jerking on acceleration on the first gears, rough idle, happens only on highways after…
See attached document for complaint
Frequently asked questions
Do all Audi A4s have power train problems?
No. NHTSA has 201 owner complaints about power train for the Audi A4. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Audi A4 power train?
No recall currently lists power train for this vehicle.
How much does it cost to fix power train problems on the Audi A4?
Owners report a typical cost of $4,600 (half paid between $3,600 and $10,150), from 32 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about power train problems on the Audi A4?
The most frequent phrase is “transmission control”, in 25 of 201 complaints.
Other Audi A4 problems
See all Audi A4 problems.