2020 Audi A6 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TDI S Line S tronic 4WD Euro 6 5dr (201 bhp)
• Year: 2020
• Mileage: 72,692 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A6 Avant S Line is advertised with 72,692 miles on the clock. Its asking price of £16,495 is £2,020 below the AskCar estimate of £18,515. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. We first recorded this advert 159 days ago, and its asking price has since fallen by £3,500. The latest recorded MOT expiry date is 19 September 2025, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Banks Of The Tyne Motor Company in Hebburn. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £2,020 (10%) under the AskCar estimate of £18,515.

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 diesel 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 159 days.

Price history

AskCar first saw this advert on 30 May 2026 at £19,995. Its asking price is now £16,495, £3,500 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 30 May 2026: £19,995
• 1 June 2026: £18,995
• 6 June 2026: £18,990
• 16 June 2026: £18,985
• 22 June 2026: £18,980
• 29 June 2026: £17,995
• 4 July 2026: £17,975
• 11 July 2026: £17,970
• 15 July 2026: £17,965
• 18 July 2026: £18,795
• 25 July 2026: £18,995
• 30 July 2026: £18,990
• 6 August 2026: £18,895
• 8 August 2026: £18,890
• 10 August 2026: £18,495
• 15 August 2026: £18,485
• 17 August 2026: £18,395
• 21 August 2026: £17,995
• 29 August 2026: £18,995
• 6 September 2026: £18,295
• 10 September 2026: £17,995
• 17 September 2026: £16,995
• 24 September 2026: £17,995
• 30 September 2026: £16,995
• 5 November 2026: £16,495

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 19 September 2025; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 20 September 2024, passed.

There were no advisories at the latest test.

Mileage at that test: 57,654 miles, which matches the advertised 72,692 miles.

Advertised mileage is about 300 miles lower than the median mileage of a 2020 Audi A6 Avant on AskCar.

Similar cars

15 other 2020 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £14,990 to £23,000, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 73,000 miles. Price: £17,499, £1,004 more than this car. Dealer: Hendy Car Store Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-6ac82ef797dd
• 2020 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 71,629 miles. Price: £18,995, £2,500 more than this car. Dealer: Wallace Car Sales in Bolton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-1c2e90bf10d5
• 2020 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 74,000 miles. Price: £18,750, £2,255 more than this car. Dealer: The Car Company in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-e456e1599691

• The nearest: 2020 Audi A6 Avant S Line, 2.0 diesel estate, black, 104 miles from this car. Mileage: 59,856 miles. Price: £19,500, £3,005 more than this car. Dealer: Invicta Omoda Jaecoo Mazda Bolton in Bolton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2020-ddb515e5b8c6