Audi A6 Power Train Problems

Source: NHTSA · Updated Oct 8, 2026 · 112 complaints analyzed

Owners have filed 112 complaints with NHTSA about power train problems on the Audi A6 across 26 model years. The 2019 model year has the most (15). The words owners use most often: “electrical malfunction” (7% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Electrical malfunction: mentioned in 8 of 112 complaints (7%)

At what mileage do power train problems happen?

Based on 61 complaints that reported the odometer reading.

Under 10k miles16 · 26%
10k–25k miles4 · 7%
25k–50k miles9 · 15%
50k–75k miles12 · 20%
75k–100k miles9 · 15%
100k–150k miles11 · 18%
150k+ miles0 · 0%

How serious are the reports?

Of 112 complaints, 2 mention a crash, 1 a fire, 1 an injury.

Audi A6 power train complaints by model year

Peak: 2019, with 15 complaints
1995: 119951996: 21997: 119971998: 21999: 1219992000: 82001: 1420012002: 102003: 1020032004: 12005: 320052006: 32007: 320072008: 32009: 120092011: 12012: 820122013: 22014: 120142015: 12016: 520162018: 12019: 152019152021: 22024: 120242026: 1

n = 112 complaints · Source: NHTSA

Model yearPower Train complaintsShare of that yearMedian miles
2026 A6117%—
2024 A6133%34,034
2021 A6212%—
2019 A61513%1,264
2018 A619%8,000
2016 A6510%51,000
2015 A615%10
2014 A612%—
2013 A624%77,600
2012 A6813%62,000
2011 A615%2,000
2009 A615%20
2008 A634%5,636
2007 A636%39,500
2006 A634%63,450
2005 A633%37,895
2004 A613%4,000
2003 A61015%68,925
2002 A61011%55,700
2001 A61412%45,000
2000 A685%52,000
1999 A6126%80,903
1998 A622%66,500
1997 A615%—
1996 A624%125,000
1995 A616%—

When owners reported it

Peak: 2003, with 8 complaints
1999: 119992001: 62002: 620022003: 882004: 8200482005: 882006: 8200682007: 32008: 220082009: 42010: 520102011: 12012: 8201282013: 32014: 220142015: 22016: 220162018: 12019: 420192020: 72021: 220212022: 62023: 620232024: 32025: 220252026: 4

n = 112 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists power train for the Audi A6. 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.

The contact owns a 2024 Audi A6. The contact stated that while driving at an undisclosed speed, the vehicle suddenly came to an abrupt stop. The contact stated that everything turned off except for the instrument panel, which displayed an accident warning light. The vehicle was not in a crash, but…

Received Aug 18, 2026 · NHTSA complaint 11757732

Drive Train suffered a life threatening loss of propulsion on a main highway . My safety was at risk due to the losing propulsion leaving me in the middle of the highway in an unsafe vehicle. Multiple communication-module fault codes. Dealer has acknowledged these issues. there were warning lights…

Received Jun 22, 2026 · NHTSA complaint 11745641

I was driving my vehicle when the engine surged and then a transmission warning light came on and there was an immediate and complete loss of drive power. After the vehicle glided to a stop, there was no drive transmission in either forward or reverse. There was no pre-warning and no earlier…

Received Apr 9, 2026 · NHTSA complaint 11730290

My alternator was not working and it was a recall and I paid to fix it and they don’t wanna pay me back. I got a new part from audi and fix it at the shop and they don’t wanna pay anything just called and she said we don’t pay only if he’s done at the dealer. And I don’t believe that! Bc…

Received Feb 24, 2026 · NHTSA complaint 11720235

This vehicle had a claim for water pump replacement and the 3.0 model has a recall for the turbo charger. This vehicle is experiencing the same issues and went from 70 mph to 0 and stalled on the freeway. Thankfully the semi and other vehicles were able to avoid me or my family would be reaching…

Received Mar 25, 2025 · NHTSA complaint 11650550
Audi A6
Audi_A6_C9_IAA_2025 at IAA 2025. Representative photo; appearance varies by model year. Photo: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all Audi A6s have power train problems?

No. NHTSA has 112 owner complaints about power train for the Audi A6. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Audi A6 power train?

No recall currently lists power train for this vehicle.

What do owners say about power train problems on the Audi A6?

The most frequent phrase is “electrical malfunction”, in 8 of 112 complaints.

Other Audi A6 problems

See all Audi A6 problems.