The average asking price for a used 2021 Audi RS 6 Avant is $89,892, with 42,933 miles on average, across 53 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| Florida | $92,912 | 35,140 | 5 | 63 |
Used 2021 Audi RS 6 Avants for sale at U.S. dealers ask $89,892 on average (half ask less than $89,906), across 53 cars. The cars for sale have 42,933 miles on average: one with fewer miles is worth more, and one with more is worth less. To check one car's price against cars of its trim and mileage, enter its VIN in OttoQuest's free Deal Check.
The 51 for sale with a listing date have been listed 62 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.
The 2021 asks $89,892 on average with 42,933 miles; the 2022 asks $96,846 with 38,370 miles.
NHTSA lists 12 safety recall campaigns that cover the 2021 Audi RS 6 Avant. Repairs are free at a dealer of the make; check a car's VIN with NHTSA before you buy to see whether its recalls were fixed.
Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.