2023 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 4WD Euro 6 (s/s) 4dr (201 bhp)
• Year: 2023
• Mileage: 67,136 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 67,136 miles, this 2023 Audi A6 Saloon S Line has covered about 33,400 more miles than other 2023 Audi A6 Saloon cars. Its asking price of £21,999 is £865 below the AskCar estimate of £22,864. The AskCar estimate uses 871 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 4 days ago. Its advertised mileage matches the government's MOT record. The seller is SG Petch Durham, based in Durham. 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: £865 (3%) under the AskCar estimate of £22,864.

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 2023 Audi A6 Saloon with the 2.0 diesel engine is typically advertised at £22,800: the median of the 60 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2023 Audi A6 Saloon advertised 4 days ago. About half of 2023 Audi A6 Saloon cars are gone from sale within a month of being advertised: 51 of the 104 first advertised between 9 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £21,999. 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 2 March 2027.

It has had one MOT, on 3 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 56,277 miles, which matches the advertised 67,136 miles.

Advertised mileage is about 33,400 miles higher than the median mileage of a 2023 Audi A6 Saloon on AskCar.

Similar cars

8 other 2023 Audi A6 Saloon S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £19,590 to £29,750, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, silver. Mileage: 52,981 miles. Price: £23,461, £1,462 more than this car. Dealer: D. M. Keith Cupra York in York. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-2b8e04fecf7a
• 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 52,052 miles. Price: £25,990, £3,991 more than this car. Dealer: Fermanagh Auto Sales in Enniskillen. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-1f5eb1637896
• 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 51,000 miles. Price: £24,809, £2,810 more than this car. Dealer: FM Motor Co in Wembley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-dc4d4e52a829

• The nearest: 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 19 miles from this car. Mileage: 94,900 miles. Price: £19,590, £2,409 less than this car. Dealer: Morton Park Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-bedf3652441b