2020 Audi A8 3.0 TDI V6 S Line

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: 2020
• Mileage: 45,000 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: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A8 S Line is advertised with 45,000 miles, approximately 14,000 below the typical mileage for its age. Priced at £27,590, it is advertised £185 above the AskCar estimate of £27,405. The AskCar estimate uses UK dealer asking prices, including 214 Audi A8 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 53 days ago. Its asking price has since fallen by £1,405. 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 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £185 (under 1%) over the AskCar estimate of £27,405.

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 214 priced Audi A8 adverts across different ages and specifications, as of 2 November 2026.

A 2020 Audi A8 with the 3.0 diesel engine is typically advertised at £25,200: the median of the 18 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Audi A8 has been on sale for at least 53 days.

Price history

AskCar first saw this advert on 10 September 2026 at £28,995. Its asking price is now £27,590, £1,405 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 10 September 2026: £28,995
• 29 September 2026: £28,250
• 8 October 2026: £27,995
• 14 October 2026: £27,790
• 28 October 2026: £27,590

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 January 2027.

It has had 4 MOTs. The latest, on 13 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,749 miles, which matches the advertised 45,000 miles.

Advertised mileage is about 14,000 miles lower than the median mileage of a 2020 Audi A8 on AskCar.

Similar cars

8 other 2020 Audi A8 S Line 3.0 diesel automatic saloons are for sale at UK dealers, from £21,950 to £27,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A8 S Line, 3.0 diesel saloon, grey. Mileage: 44,600 miles. Price: £24,990, £2,600 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/audi-a8-2020-50b354aff66a
• 2020 Audi A8 S Line, 3.0 diesel saloon, black. Mileage: 46,116 miles. Price: £25,998, £1,592 less than this car. Dealer: Arnold Clark Aberdeen Vauxhall / Peugeot in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a8-2020-3991f01bf34d
• 2020 Audi A8 S Line, 3.0 diesel saloon, grey. Mileage: 41,815 miles. Price: £26,594, £996 less than this car. Dealer: Ping Vehicles in Solihull. AskCar page: https://askcar.co.uk/car/audi-a8-2020-b54f59ec6eae

• The nearest: 2020 Audi A8 S Line, 3.0 diesel saloon, grey, 8 miles from this car. Mileage: 39,150 miles. Price: £25,500, £2,090 less than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/audi-a8-2020-6afb31cbd9fb