2020 Audi A8 3.0 S Line

Overview

• Make: Audi
• Model: A8
• Trim: S Line
• Version: 3.0 TDI S Line Tiptronic 4WD Euro 6 4dr (281 bhp)
• Year: 2020
• Mileage: 44,600 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 187 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A8 S Line is advertised with 44,600 miles, approximately 14,400 below the typical mileage for its age. The dealer is asking £24,990, which is £2,111 below the AskCar estimate of £27,101. To work out the AskCar estimate, we analyse UK dealer adverts for 214 Audi A8 cars across different ages and specifications. We first recorded this car for sale 16 days ago. Its advertised mileage matches the government's MOT record. You can find this car at S James Prestige in Stamford. 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: £2,111 (7%) under the AskCar estimate of £27,101.

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 16 days.

Price history

AskCar first saw this advert on 17 October 2026 at £24,990. Its asking price has not changed.

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 February 2027.

It has had 4 MOTs. The latest, on 30 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,012 miles, which matches the advertised 44,600 miles.

Advertised mileage is about 14,400 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, black. Mileage: 45,000 miles. Price: £27,590, £2,600 more than this car. Dealer: Group 1 Automotive Whetstone Audi in Whetstone. AskCar page: https://askcar.co.uk/car/audi-a8-2020-e722d3e7d055
• 2020 Audi A8 S Line, 3.0 diesel saloon, black. Mileage: 46,116 miles. Price: £25,998, £1,008 more 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, £1,604 more 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, black, 54 miles from this car. Mileage: 84,000 miles. Price: £21,950, £3,040 less than this car. Dealer: Prestige Sales and Consultancy in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-a8-2020-d5d9a00a5509