2021 Audi A6: common problems and reliability

The 2021 Audi A6 has 39 owner-filed NHTSA complaints and 12 recalls on record. The most-reported areas are electrical system and forward collision avoidance. Owners most often flag high maintenance and repair costs — very frequent.

Safety record for the 2021 model year

39
Owner complaints
12
Recalls
0
Crash reports
0
Fire reports

Source: NHTSA complaints and recalls filed for 2021 Audi A6 vehicles (US, public record).

Where owners report problems

electrical system
22
forward collision avoidance
6
engine
5
power train
5
structure
3

Recalls affecting the 2021 A6

seat belts:rear/other:retractor

Campaign 21V606000

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Qua

tires

Campaign 22V034000

Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5,

air bags

Campaign 21V159000

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air bag may not have been m

electrical system

Campaign 20V749000

Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi A6 Allroad, Q7, RS6 and RS7 vehicles. The electrical connector can detach from the door crash sensor in either of the front doors.

What owners say across generations

Sentiment is sharply divided by generation and powertrain. For the C7 (approx. 2012-2018) and C8 (approx. 2019-2023) generations, owner feedback is generally positive, praising the cars for their refined driving experience, comfortable and quiet ride, spacious

  • High maintenance and repair costs — very frequent.
  • General concerns about long-term reliability and expensive out-of-warranty repairs — very frequent.
  • Wireless CarPlay connectivity issues (dropping, failure to connect) — recurrent.
  • Electronic gremlins and glitches (e.g., camera failures, infotainment reboots, sensor errors) — recurrent.
  • Water pump failure (common issue on 3.0T engines) — recurrent.

Owner insights cover all generations of the A6.

Typical used price

Used A6 listings typically run $15,991–$61,219 across 2015 to 2026 model years.

Other A6 model years