2023 Audi A8 3.0 TDI V6 S Line

Price: £36,195. Fair price: £2,271 (5%) under the AskCar estimate of £38,466, our expected asking price for this car from its model, age, mileage and specification, drawing on 219 priced Audi A8 adverts on AskCar as of 4 November 2026.

AskCar lists 229 used Audi A8 from 195 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A8
  • Trim: S Line
  • Version: 3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 4dr (282 bhp)
  • Year: 2023
  • Mileage: 35,622 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 190 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A8 S Line has covered 35,622 miles, around 6,300 more miles than is typical for its age. Priced at £36,195, it is advertised £2,271 below the AskCar estimate of £38,466. To work out the AskCar estimate, we analyse UK dealer adverts for 219 Audi A8 cars across different ages and specifications. We first saw this car advertised 54 days ago. Its asking price has since fallen by £900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Whetstone Audi, based in Whetstone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,271 (5%) under the AskCar estimate of £38,466.

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 219 priced Audi A8 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A8 with the 3.0 diesel engine is typically advertised at £35,900: the median of the 20 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A8 has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 11 September 2026 at £37,095. Its asking price is now £36,195, £900 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 11 September 2026: £37,095
  • 6 October 2026: £36,750
  • 23 October 2026: £36,490
  • 4 November 2026: £36,195

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 June 2027.

It has had one MOT, on 15 June 2026, and passed.

Advisories at the latest test: front brake pad(s) wearing thin; under trays fitted obscuring some items.

Mileage at that test: 35,534 miles, which matches the advertised 35,622 miles.

Advertised mileage is about 6,300 miles higher than the median mileage of a 2023 Audi A8 on AskCar.

Similar cars

3 other 2023 Audi A8 S Line 3.0 diesel automatic saloons are for sale at UK dealers, from £35,900 to £54,169, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A8 S Line, 3.0 diesel saloon, grey. Mileage: 34,611 miles. Price: £35,900, £295 less than this car. Dealer: Marshall Motor Group Maidstone Audi in Maidstone. AskCar page: https://askcar.co.uk/car/audi-a8-2023-87e6f5c9a8a4
  • 2023 Audi A8 S Line, 3.0 diesel saloon, black. Mileage: 26,319 miles. Price: £39,000, £2,805 more than this car. Dealer: Sytner Group North Wales Audi in Conwy. AskCar page: https://askcar.co.uk/car/audi-a8-2023-0b7a51e27a4b
  • 2023 Audi A8 S Line, 3.0 diesel saloon, black. Mileage: 2,950 miles. Price: £54,169, £17,974 more than this car. Dealer: Drift Bridge Walton Audi in Walton-on-Thames. AskCar page: https://askcar.co.uk/car/audi-a8-2023-426c2765d915

Browse all Audi A8 cars for sale · 2023 Audi A8 price guide

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Photos

31 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.