2023 Audi A6 Saloon 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A6 Saloon
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 4dr (201 bhp)
• Year: 2023
• Mileage: 18,989 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 162 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A6 Saloon S Line is advertised with 18,989 miles, approximately 14,500 below the typical mileage for its age. Priced at £24,295, it is advertised £435 below the AskCar estimate of £24,730. To work out the AskCar estimate, we analyse UK dealer adverts for 858 Audi A6 Saloon cars across different ages and specifications. Since we first spotted the advert 61 days ago, the asking price has dropped by £1,655. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Watford Audi, based in Watford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £435 (1%) under the AskCar estimate of £24,730.

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 858 priced Audi A6 Saloon adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A6 Saloon with the 2.0 petrol engine is typically advertised at £23,400: the median of the 61 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A6 Saloon has been on sale for at least 61 days.

Price history

AskCar first saw this advert on 2 September 2026 at £25,950. Its asking price is now £24,295, £1,655 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 2 September 2026: £25,950
• 14 September 2026: £25,495
• 26 September 2026: £24,950
• 3 October 2026: £24,795
• 8 October 2026: £24,770
• 20 October 2026: £24,595
• 27 October 2026: £24,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 July 2027.

It has had one MOT, on 23 June 2026, and passed.

Advisories at the latest test: body covers fitted obscuring components.

Mileage at that test: 18,845 miles, which matches the advertised 18,989 miles.

Advertised mileage is about 14,500 miles lower than the median mileage of a 2023 Audi A6 Saloon on AskCar.

Similar cars

20 other 2023 Audi A6 Saloon S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £17,700 to £26,800, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Saloon S Line, 2.0 petrol saloon, blue. Mileage: 19,127 miles. Price: £23,801, £494 less than this car. Dealer: Lookers Audi Wearside in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-501abbdac567
• 2023 Audi A6 Saloon S Line, 2.0 petrol saloon, white. Mileage: 18,068 miles. Price: £24,790, £495 more than this car. Dealer: Lookers Audi Farnborough in Farnborough. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-15de508bb802
• 2023 Audi A6 Saloon S Line, 2.0 petrol saloon, blue. Mileage: 21,059 miles. Price: £23,980, £315 less than this car. Dealer: Stratstone Tamworth Audi in Tamworth. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-cf9940581943

• The nearest: 2023 Audi A6 Saloon S Line, 2.0 petrol saloon, grey, 16 miles from this car. Mileage: 36,984 miles. Price: £21,990, £2,305 less than this car. Dealer: HCL Prestige Car Supermarket in Ashford. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-00485f2b5936