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: 84,000 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: 188 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 84,000 miles, this 2020 Audi A8 S Line has covered about 25,000 more miles than other 2020 Audi A8 cars. The AskCar estimate for this car is £21,271. It is priced at £21,950, which is £679 above that estimate. The AskCar estimate uses 214 UK dealer adverts for the Audi A8, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 38 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Prestige Sales and Consultancy in Ip295ap. 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: £679 (3%) over the AskCar estimate of £21,271.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £21,950. 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 10 September 2027.

It has had 5 MOTs. The latest, on 20 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 84,231 miles, which matches the advertised 84,000 miles.

Advertised mileage is about 25,000 miles higher 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 £23,495 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, white. Mileage: 70,285 miles. Price: £23,495, £1,545 more than this car. Dealer: Stratstone Shrewsbury Audi in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-a8-2020-b86553a871ed
• 2020 Audi A8 S Line, 3.0 diesel saloon, blue. Mileage: 60,932 miles. Price: £24,000, £2,050 more than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a8-2020-3e6fe11c0573
• 2020 Audi A8 S Line, 3.0 diesel saloon, grey. Mileage: 59,000 miles. Price: £27,999, £6,049 more than this car. Dealer: Adam Performance in Haslingden. AskCar page: https://askcar.co.uk/car/audi-a8-2020-d12ae087ae1d

• The nearest: 2020 Audi A8 S Line, 3.0 diesel saloon, grey, 49 miles from this car. Mileage: 39,150 miles. Price: £25,500, £3,550 more than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/audi-a8-2020-6afb31cbd9fb