2021 Audi RS 6 Avant problems
Light NHTSA footprint — 4 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2021 Audi RS 6 Avant has 4 NHTSA owner complaints on file (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation.
Limited NHTSA data — only 4 complaints on file. The score reflects what's reported, but a small sample skews easily.
Only 4 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
What owners are saying recent NHTSA-filed complaints · verbatim
Loss of electrical power while cruising on the interstate at 65 mph. There was a series of warning messages, YELLOW colored malfunctions such as "Sport differential malfunction", "electric system malfunction". Then RED colored warning message "Electric system: Malfunction!…
The last few times I've started my car, the instrument cluster takes multiple minutes before it turns on, while the yellow check engine and red warning lights flash repeatedly.
The rear camera on the car repeatedly does not work. The car has been to the dealership for replacement parts several times with the problem recurring. The rear camera does not work most days. In addition, the other cameras have failed repeatedly resulting in safety systems…
The generator cut off and the car coasted to a stop. The generator on these vehicles is failing on almost every single one.
Common questions
Is the 2021 Audi RS 6 Avant reliable?
Limited NHTSA data. Only 4 owner complaints have been filed for the 2021 Audi RS 6 Avant, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2021 Audi RS 6 Avant?
Only 4 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data. We don't issue a buy/avoid verdict on the 2021 Audi RS 6 Avant without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What should I check before buying a used 2021 Audi RS 6 Avant?
There isn't enough NHTSA complaint data on the 2021 Audi RS 6 Avant to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2021 Audi RS 6 Avant a good used car to buy?
Hard to say from federal data alone — only 4 owner complaints have been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.
What's the most common problem on the 2021 Audi RS 6 Avant?
No problem area has crossed our reporting threshold yet, which is a good sign for this vehicle.
What's the most expensive thing that goes wrong?
Major repair items haven't been flagged often enough on this vehicle to single one out.
How do I check if my Audi RS 6 Avant 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 RS 6 Avant?
Hard to say from NHTSA data alone with only 4 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.