2021 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: 2021
• Mileage: 60,000 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: 189 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 60,000 miles on the clock, this 2021 Audi A8 S Line has done roughly 3,200 more miles than a typical 2021 Audi A8. Its asking price of £24,995 is £1,870 below the AskCar estimate of £26,865. 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 130 days ago. Its asking price has since fallen by £2,500. The recorded MOT expired on 12 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. The seller is Motoring World London Motoring World, based in Northolt. 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: £1,870 (6%) under the AskCar estimate of £26,865.

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 2021 Audi A8 with the 3.0 diesel engine is typically advertised at £26,700: the median of the 11 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A8 has been on sale for at least 130 days.

Price history

AskCar first saw this advert on 25 June 2026 at £27,495. Its asking price is now £24,995, £2,500 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 26 June 2026: £27,495
• 13 July 2026: £26,995
• 30 July 2026: £26,495
• 9 August 2026: £25,995
• 21 October 2026: £24,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 12 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 15 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 50,669 miles, which matches the advertised 60,000 miles.

Advertised mileage is about 3,200 miles higher than the median mileage of a 2021 Audi A8 on AskCar.

Similar cars

3 other 2021 Audi A8 S Line 3.0 diesel automatic saloons are for sale at UK dealers, from £19,495 to £29,393, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A8 S Line, 3.0 diesel saloon, black. Mileage: 50,400 miles. Price: £27,499, £2,504 more than this car. Dealer: Approved Cars & Finance Approved Cars in East Peckham. AskCar page: https://askcar.co.uk/car/audi-a8-2021-868b376f313e
• 2021 Audi A8 S Line, 3.0 diesel saloon, grey. Mileage: 24,000 miles. Price: £29,393, £4,398 more than this car. Dealer: Lookers Audi Teesside in Teesside. AskCar page: https://askcar.co.uk/car/audi-a8-2021-e73546b77166
• 2021 Audi A8 S Line, 3.0 diesel saloon, black. Mileage: 122,000 miles. Price: £19,495, £5,500 less than this car. Dealer: Motor Trade Centre in Barking and Dagenham. AskCar page: https://askcar.co.uk/car/audi-a8-2021-c101914ea161