2021 Audi A6 Avant 2.0 S Line
Price: £27,900. Fair price: £1,011 (3%) over the AskCar estimate of £26,889, our expected asking price for this car from its model, age, mileage and specification, drawing on 785 priced Audi A6 Avant adverts on AskCar as of 5 November 2026.
AskCar lists 810 used Audi A6 Avant from 596 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: A6 Avant
- Trim: S Line
- Version: 2.0 S Line S tronic Euro 6 5dr (201 bhp)
- Year: 2021
- Mileage: 32,612 miles
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Colour: Silver
- CO2: 170 g/km
- Emissions standard: Euro 6
About this car
The advertised mileage for this 2021 Audi A6 Avant S Line is 32,612 miles. Its asking price of £27,900 is £1,011 above the AskCar estimate of £26,889. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. We have tracked this advert for 161 days. The last MOT shows 38,774 miles, more than the advert. This is worth checking with the dealer. The latest recorded MOT expiry date is 7 August 2026, which has passed. Confirm its status with the dealer. The seller is Vindis Group Cambridge Audi, based in Cambridge. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £1,011 (3%) over the AskCar estimate of £26,889.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.
Time on sale
This 2021 Audi A6 Avant has been on sale for at least 161 days.
Price history
AskCar first saw this advert on 28 May 2026 at £27,900. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 7 August 2026; ask the dealer for the current MOT.
It has had 2 MOTs. The latest, on 11 July 2025, passed.
Advisories at the latest test: offside front tyre 3.21mm tread depth; nearside front tyre worn close to legal limit/worn on edge 2.68mm.
Mileage at that test: 38,774 miles. The advert says 32,612 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 19,000 miles lower than the median mileage of a 2021 Audi A6 Avant on AskCar.
Browse all Audi A6 Avant cars for sale · 2021 Audi A6 Avant price guide
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As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.