Loading market data…
5 sales tracked since 1 Jul 2026 · 3 for sale now
Every 2021 S6 Avant that's come off Autotrader since 1 Jul 2026, with its final asking price and how long it took to sell.
What each 2021 S6 Avant variant sold for (filled dots) and what the 3 for sale are asking (rings), with monthly medians drawn through them. Click a dot to open the car.
Solid lines: median sold price per month (3+ sales). Dashed lines: median asking price of cars currently for sale, by the month they were listed. 1 car listed before the chart starts is not shown.
By month sold, all variants
How long sold cars were listed
How many cars were listed each day since tracking began
Asking price range, with the median marked
Listings added and sold each month
3 live listings from Autotrader · from £33,999 · median £37,289
Sold and asking prices against mileage. Each dot is a car; click one to open it.
What 2021 Audi S6 Avant cars sell for and how many are on Autotrader UK right now. Updated 20 Oct 2026.
The median asking price for a used 2021 Audi S6 Avant on Autotrader UK is £37,289, across 3 cars for sale as of 20 Oct 2026. The 5 2021 Audi S6 Avant cars recorded as sold since 1 Jul 2026 went for a median of £36,290.
The median 2021 Audi S6 Avant sells within 55 days of being listed on Autotrader, based on 5 recorded sales.
There are 3 used 2021 Audi S6 Avant cars for sale on Autotrader UK as of 20 Oct 2026. Autotrender has recorded 5 sales of 2021 Audi S6 Avant cars so far.
Autotrender records every Audi S6 Avant listing on Autotrader UK twice a day and groups them by registration year. A car counts as sold when its advert is removed, and its sold price is the final asking price before it came off; days to sell run from the advert's listing date to its removal. Medians are used throughout, and figures are only stated once at least 5 sales have been recorded.
Recomputed after every Autotrader scan. Month-by-month trends across all years: Audi S6 Avant market report · About Autotrender