2020 Audi A6 Saloon 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic FWD Euro 6 (s/s) 4dr (201 bhp)
• Year: 2020
• Mileage: 82,496 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A6 Saloon S Line has covered 82,496 miles, around 24,600 more miles than is typical for its age. The dealer is asking £15,495, which is £408 below the AskCar estimate of £15,903. To work out the AskCar estimate, we analyse UK dealer adverts for 871 Audi A6 Saloon cars across different ages and specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Pavilion Motor Company in Oldham. 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

Fair price: £408 (2%) under the AskCar estimate of £15,903.

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 871 priced Audi A6 Saloon adverts across different ages and specifications, as of 5 November 2026.

A 2020 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £18,000: the median of the 58 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2020 Audi A6 Saloon advertised 1 day ago. About half of 2020 Audi A6 Saloon cars are gone from sale within a month of being advertised: 31 of the 64 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £15,495. 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: valid until 26 May 2027.

It has had 8 MOTs. The latest, on 27 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 74,220 miles, which matches the advertised 82,496 miles.

Advertised mileage is about 24,600 miles higher than the median mileage of a 2020 Audi A6 Saloon on AskCar.

Similar cars

19 other 2020 Audi A6 Saloon S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £13,595 to £21,999, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, silver. Mileage: 80,000 miles. Price: £17,950, £2,455 more than this car. Dealer: Drive House UK in Gateshead. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-9a9771e536b3
• 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 85,942 miles. Price: £16,950, £1,455 more than this car. Dealer: Eakin Brothers in Londonderry. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-8ee7647a4319
• 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, white. Mileage: 79,000 miles. Price: £17,590, £2,095 more than this car. Dealer: MB Cars Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-bf9abd585ce8

• The nearest: 2020 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 5 miles from this car. Mileage: 111,302 miles. Price: £13,595, £1,900 less than this car. Dealer: J & S Manchester Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-59e4419d77e7