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: 78,388 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A8 S Line has covered 78,388 miles, around 19,400 more miles than is typical for its age. The AskCar estimate for this car is £22,069. It is priced at £21,000, which is £1,069 below that estimate. The AskCar estimate draws on 212 Audi A8 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. Its advertised mileage matches the government's MOT record. The seller is Evans Halshaw Citroen Mansfield, based in Mansfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,069 (4%) under the AskCar estimate of £22,069.

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 212 priced Audi A8 adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

AskCar first saw this 2020 Audi A8 advertised today.

Price history

AskCar first saw this advert on 8 November 2026 at £21,000. 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 8 November 2026: valid until 17 June 2027.

It has had 5 MOTs. The latest, on 18 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,602 miles, which matches the advertised 78,388 miles.

Advertised mileage is about 19,400 miles higher than the median mileage of a 2020 Audi A8 on AskCar.

Similar cars

9 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 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A8 S Line, 3.0 diesel saloon, black. Mileage: 84,000 miles. Price: £21,950, £950 more than this car. Dealer: Prestige Sales and Consultancy in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-a8-2020-d5d9a00a5509
• 2020 Audi A8 S Line, 3.0 diesel saloon, white. Mileage: 70,285 miles. Price: £22,990, £1,990 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: £23,500, £2,500 more than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a8-2020-3e6fe11c0573

• The nearest: 2020 Audi A8 S Line, 3.0 diesel saloon, grey, 42 miles from this car. Mileage: 44,600 miles. Price: £24,990, £3,990 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/audi-a8-2020-50b354aff66a