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: 37,861 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

With 37,861 miles on the clock, this 2023 Audi A6 Saloon S Line has done roughly 4,100 more miles than a typical 2023 Audi A6 Saloon. The AskCar estimate for this car is £26,875. It is priced at £25,750, which is £1,125 below 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 first saw this car advertised 79 days ago. Its asking price has since fallen by £2,500. The seller is Group 1 Automotive Tetbury Audi, based in Tetbury. 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: £1,125 (4%) under the AskCar estimate of £26,875.

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 79 days.

Price history

AskCar first saw this advert on 18 August 2026 at £28,250. Its asking price is now £25,750, £2,500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 18 August 2026: £28,250
• 20 August 2026: £28,550
• 24 August 2026: £28,850
• 30 August 2026: £28,750
• 13 September 2026: £28,490
• 16 September 2026: £27,990
• 30 September 2026: £27,750
• 6 October 2026: £27,450
• 14 October 2026: £26,990
• 20 October 2026: £26,490
• 25 October 2026: £26,250
• 29 October 2026: £25,950
• 3 November 2026: £25,750

Mileage and MOT

Advertised mileage is about 4,100 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, blue. Mileage: 31,077 miles. Price: £27,950, £2,200 more than this car. Dealer: TJ Hamilton Approved in Cookstown. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-275138ff8e28
• 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 51,000 miles. Price: £24,809, £941 less than this car. Dealer: FM Motor Co in Wembley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-dc4d4e52a829
• 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, black. Mileage: 52,052 miles. Price: £25,990, £240 more than this car. Dealer: Fermanagh Auto Sales in Enniskillen. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-1f5eb1637896

• The nearest: 2023 Audi A6 Saloon S Line, 2.0 diesel saloon, grey, 78 miles from this car. Mileage: 19,518 miles. Price: £29,750, £4,000 more than this car. Dealer: Sytner Group Leicester Audi in Leicester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-98fc938935d9