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: 19,518 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

With 19,518 miles on the clock, this 2023 Audi A6 Saloon S Line has done roughly 14,200 fewer miles than a typical 2023 Audi A6 Saloon. Its asking price of £29,750 is £571 above the AskCar estimate of £29,179. The AskCar estimate draws on 871 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 33 days ago. Its asking price has since fallen by £250. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Leicester Audi, based in Leicester. 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: £571 (1%) over the AskCar estimate of £29,179.

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 33 days.

Price history

AskCar first saw this advert on 3 October 2026 at £30,000. Its asking price is now £29,750, £250 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 3 October 2026: £30,000
• 23 October 2026: £29,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 21 April 2027.

It has had one MOT, on 31 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 16,741 miles, which matches the advertised 19,518 miles.

Advertised mileage is about 14,200 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 £27,950, 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, £1,800 less 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, blue. Mileage: 37,861 miles. Price: £25,750, £4,000 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, black. Mileage: 51,000 miles. Price: £24,809, £4,941 less than this car. Dealer: FM Motor Co in Wembley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-dc4d4e52a829