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: 46,116 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 188 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A8 S Line is advertised with 46,116 miles, approximately 12,900 below the typical mileage for its age. Its asking price of £24,998 is £1,685 below the AskCar estimate of £26,683. The AskCar estimate uses UK dealer asking prices, including 219 Audi A8 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 158 days ago. Its asking price has since fallen by £3,500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Aberdeen Vauxhall / Peugeot, based in Aberdeen. 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: £1,685 (6%) under the AskCar estimate of £26,683.

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 2020 Audi A8 with the 3.0 diesel engine is typically advertised at £25,000: the median of the 19 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Audi A8 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 30 May 2026 at £28,498. Its asking price is now £24,998, £3,500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 30 May 2026: £28,498
• 22 June 2026: £27,498
• 4 August 2026: £26,998
• 4 September 2026: £25,998
• 3 November 2026: £24,998

Mileage and MOT

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

It has had 4 MOTs. The latest, on 5 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,725 miles, which matches the advertised 46,116 miles.

Advertised mileage is about 12,900 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 4 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: £27,490, £2,492 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, grey. Mileage: 44,600 miles. Price: £24,990, the same price as 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, grey. Mileage: 41,815 miles. Price: £26,594, £1,596 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, grey, 238 miles from this car. Mileage: 59,000 miles. Price: £27,999, £3,001 more than this car. Dealer: Adam Performance in Haslingden. AskCar page: https://askcar.co.uk/car/audi-a8-2020-d12ae087ae1d