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: 31,077 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A6 Saloon S Line has covered 31,077 miles, around 2,700 fewer miles than is typical for its age. The AskCar estimate for this car is £27,820. It is priced at £27,950, which is £130 above that estimate. 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 94 days. Its advertised mileage matches the government's MOT record. It is for sale at TJ Hamilton Approved in Cookstown. 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: £130 (under 1%) over the AskCar estimate of £27,820.

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

This 2023 Audi A6 Saloon has been on sale for at least 94 days.

Price history

AskCar first saw this advert on 3 August 2026 at £27,950. 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 27 May 2027.

It has had one MOT, on 28 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 30,278 miles, which matches the advertised 31,077 miles.

Advertised mileage is about 2,700 miles lower 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, blue. Mileage: 37,861 miles. Price: £25,750, £2,200 less than this car. Dealer: Group 1 Automotive Tetbury Audi in Tetbury. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-c361a7c1f9d0
• 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, grey. Mileage: 19,518 miles. Price: £29,750, £1,800 more than this car. Dealer: Sytner Group Leicester Audi in Leicester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-98fc938935d9
• 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 51,000 miles. Price: £24,809, £3,141 less 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, black, 37 miles from this car. Mileage: 52,052 miles. Price: £25,990, £1,960 less than this car. Dealer: Fermanagh Auto Sales in Enniskillen. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-1f5eb1637896