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ProblemsByVin File / 2021-AUDI-A6
2021 · audi

audi A6 problems

4 safety recalls. 12 owner complaints. We mapped every trouble spot before you sign the papers.

0 5 10
Reliability score
8.0 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
4
Severe
0
Moderate

Top trouble spots 1 category with 3+ complaints

electrical
7 reports · avg $850
moderate

What owners are saying recent NHTSA-filed complaints · verbatim

2021 A6 · electrical
While driving at normal speed, the entire digital instrument panel suddenly went black and a red warning triangle appeared. I lost all gauges, including speedometer, fuel level, and warning indicators. This created a serious safety risk because I was in active traffic and had no…
12/07/2025 · NHTSA ODI #11703548.0
2021 A6 · body
Sunroof spontaneously shattered while driving. No other cars around when this occurred. Caused a very loud BANG. Was driving on the freeway when this occurred. Dealer would not confirm issue was spontaneous - felt something must have hit the car to cause this. No defined…
09/22/2022 · NHTSA ODI #11485934.0
2021 A6 · steering
Car reported an engine restarter issue (with battery symbol) and recommended to contact the dealer. Car next shut down automatic restart system, and air conditioning stopped working. Within a short period of time (same day), the car listed a red battery symbol and advised to…
09/09/2023 · NHTSA ODI #11543607.0
2021 A6 · other
The Audi Pre-sense is activated by weather. I was driving during a thunderstorm and Audi Presence activated causing the car to come to a hard stop due to precipitation. It happened again backing out of my driveway the Audi Pre-sense was activated and the car came to a hard stop.…
08/13/2025 · NHTSA ODI #11680304.0

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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Active recalls showing 3 of 4

severe NHTSA 25V201000 31/03/2025

Volkswagen Group of America, Inc

An instrument panel display that fails to show critical safety information, such as the speedometer or warning lights, increases the risk of a crash.

Fix: Dealers will update the instrument panel module software, free of charge. Owner notification letters were mailed April 24, 2025. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90VC.
severe NHTSA 23V601000 25/08/2023

Volkswagen Group of America, Inc

Incorrect brake fluid can reduce braking ability and increase the risk of a crash.

Fix: Dealers will inspect the brake fluid reservoir cap and, if necessary, replace it, free of charge. Owner notification letters are expected to be mailed October 17, 2023. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 47T9.
severe NHTSA 21V159000 10/03/2021

Volkswagen Group of America, Inc

An incorrectly manufactured air bag may not deploy properly, and could also eject plastic debris into the passenger compartment, increasing the risk of injury during a crash.

Fix: Audi will notify owners, and dealers will inspect the passenger air bag score line, and repair it as necessary, free of charge. The recall begin March 26, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 70i2.
View all 4 recalls →

Common questions

Is the 2021 Audi A6 reliable?

Mostly yes. With a reliability score of 8.0 out of 10 based on 12 owner complaints filed with NHTSA, the 2021 Audi A6 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

What's the most common problem on the 2021 Audi A6?

Based on NHTSA records, the most-reported issue is electrical, with 7 complaints filed. Average repair cost runs about $850 at an independent shop.

What's the most expensive thing that goes wrong?

The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Audi A6 has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2021 Audi A6?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 12 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.

Related vehicles

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 1 day ago. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with audi. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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