2020 Audi A6 Avant 2.0 TFSI S Line
Price: £18,490. Fair price: £925 (4%) under the AskCar estimate of £19,415, 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 TFSI 45 S Line S tronic 4WD Euro 6 (s/s) 5dr (242 bhp)
- Year: 2020
- Mileage: 78,000 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 242 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 154 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A6 Avant S Line is advertised with 78,000 miles on the clock. Priced at £18,490, it is advertised £925 below the AskCar estimate of £19,415. The AskCar estimate uses 785 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 77 days ago, and its asking price has since fallen by £500. The advertised mileage is lower than the latest MOT reading of 78,687 miles. Ask the dealer to explain. Its recorded MOT is valid until 17 August 2027. It is advertised by German Motors in Leeds. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £925 (4%) under the AskCar estimate of £19,415.
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.
A 2020 Audi A6 Avant with the 2.0 petrol engine is typically advertised at £18,500: the median of the 32 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2020 Audi A6 Avant has been on sale for at least 77 days.
Price history
AskCar first saw this advert on 20 August 2026 at £18,990. Its asking price is now £18,490, £500 less. The latest price cut was seen on 3 November 2026.
Price changes recorded:
- 20 August 2026: £18,990
- 20 October 2026: £18,750
- 27 October 2026: £18,690
- 28 October 2026: £18,590
- 3 November 2026: £18,490
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 17 August 2027.
It has had 4 MOTs. The latest, on 18 August 2026, passed.
Advisories at the latest test: front brake pad(s) wearing thin.
Mileage at that test: 78,687 miles. The advert says 78,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 5,000 miles higher than the median mileage of a 2020 Audi A6 Avant on AskCar.
Browse all Audi A6 Avant cars for sale · 2020 Audi A6 Avant price guide
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Photos
38 photos of this car are on its AskCar page.
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.