2018 Audi A8 3.0 S Line

Price: £17,295. Fair price: £472 (2%) under the AskCar estimate of £17,767, our expected asking price for this car from its model, age, mileage and specification, drawing on 219 priced Audi A8 adverts on AskCar as of 4 November 2026.

AskCar lists 229 used Audi A8 from 195 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A8
  • Trim: S Line
  • Version: 3.0 50 TDI S Line Tiptronic 4WD Euro 6 4dr (282 bhp)
  • Year: 2018
  • Mileage: 98,336 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 150 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 98,336 miles, this 2018 Audi A8 S Line has covered about 42,500 more miles than other 2018 Audi A8 cars. The AskCar estimate for this car is £17,767. It is priced at £17,295, which is £472 below that estimate. 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 recorded this car for sale 24 days ago. The recorded MOT expired on 30 October 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. The seller is Pavilion Motor Company, based in Oldham. 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: £472 (2%) under the AskCar estimate of £17,767.

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 2018 Audi A8 with the 3.0 diesel engine is typically advertised at £21,200: the median of the 24 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Audi A8 has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 11 October 2026 at £17,295. 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 4 November 2026: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 31 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 95,357 miles, which matches the advertised 98,336 miles.

Advertised mileage is about 42,500 miles higher than the median mileage of a 2018 Audi A8 on AskCar.

Similar cars

3 other 2018 Audi A8 S Line 3.0 diesel automatic saloons are for sale at UK dealers, from £16,950 to £24,498, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A8 S Line, 3.0 diesel saloon, blue. Mileage: 89,510 miles. Price: £18,998, £1,703 more than this car. Dealer: Arnold Clark Huddersfield Motorstore in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a8-2018-44616b195180
  • 2018 Audi A8 S Line, 3.0 diesel saloon, grey. Mileage: 52,911 miles. Price: £24,498, £7,203 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a8-2018-a02ed9e7d3d8
  • 2018 Audi A8 S Line, 3.0 diesel saloon, grey. Mileage: 10,000 miles. Price: £16,950, £345 less than this car. Dealer: Car Firm Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a8-2018-90a1c3d119ef

Browse all Audi A8 cars for sale · 2018 Audi A8 price guide

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Photos

100 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.