2018 Audi A8 3.0

Price: £19,990. Fair price: £667 (3%) under the AskCar estimate of £20,657, our expected asking price for this car from its model, age, mileage and specification, drawing on 214 priced Audi A8 adverts on AskCar as of 2 November 2026.

AskCar lists 225 used Audi A8 from 191 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A8
  • Version: 3.0 55 TFSI Tiptronic 4WD Euro 6 4dr (335 bhp)
  • Year: 2018
  • Mileage: 81,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 335 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 182 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A8 is advertised with 81,000 miles, approximately 23,800 above the typical mileage for its age. Its asking price of £19,990 is £667 below the AskCar estimate of £20,657. To work out the AskCar estimate, we analyse UK dealer adverts for 214 Audi A8 cars across different ages and specifications. It first appeared in our advert records 4 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at JAD Motor in Birmingham. 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: £667 (3%) under the AskCar estimate of £20,657.

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 2018 Audi A8 with the 3.0 petrol engine is typically advertised at £21,500: the median of the 23 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 Audi A8 advertised 4 days ago.

Price history

AskCar first saw this advert on 29 October 2026 at £19,990. 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 31 May 2027.

It has had 6 MOTs. The latest, on 14 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 69,539 miles, which matches the advertised 81,000 miles.

Advertised mileage is about 23,800 miles higher than the median mileage of a 2018 Audi A8 on AskCar.

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

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Photos

31 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.