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ProblemsByVinFile / 2021-AUDI-RS-6-AVANTNHTSA data synced 6 days ago
Audi
2021 Audi RS 6 Avant problems
The 2021 Audi RS 6 Avant has 2 active recall campaigns on file and only 4 owner complaints in the NHTSA database. Often that means the recall caught it before the field did.
The 2021 Audi RS 6 Avant has 4 NHTSA owner complaints and 2 recalls on file (U.S. federal records, as of September 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. 2 active recalls on file.
0
Critical
2
Severe
0
Moderate
Should you avoid this 2021 RS 6 Avant?
Not enough data for a verdict
Only 4 NHTSA complaints on file — too few for a confident call. The 2 active recalls above remain authoritative; read those first.
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.
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What owners are saying
recent NHTSA-filed complaints · verbatim
2021 RS 6 Avant· steering
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…
Had a problem with your 2021 Audi RS 6 Avant?
File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.
A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.
Fix: Dealers will update the software, free of charge. Owner notification letters were mailed January 14, 2026. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90TV. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on December 23, 2025.
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.
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 call. The 2 active recalls above remain authoritative; read those first. 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.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 6 days ago. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Audi/RS 6 Avant.
Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics.
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