2018 Audi A8 3.0

Price: £24,495. Fair price: £1,919 (7%) under the AskCar estimate of £26,414, 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: 39,837 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 335 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 182 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 39,837 miles on the clock, this 2018 Audi A8 has done roughly 17,400 fewer miles than a typical 2018 Audi A8. The dealer is asking £24,495, which is £1,919 below the AskCar estimate of £26,414. To work out the AskCar estimate, we analyse UK dealer adverts for 214 Audi A8 cars across different ages and specifications. We first saw this car advertised 103 days ago. Its asking price has since fallen by £450. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Oxford Prestige, based in Oxford. 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: £1,919 (7%) under the AskCar estimate of £26,414.

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

This 2018 Audi A8 has been on sale for at least 103 days.

Price history

AskCar first saw this advert on 22 July 2026 at £24,945. Its asking price is now £24,495, £450 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

  • 23 July 2026: £24,945
  • 20 October 2026: £24,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 December 2026.

It has had 6 MOTs. The latest, on 12 December 2025, passed.

Advisories at the latest test: offside front upper suspension arm pin or bush worn but not resulting in excessive movement.

Mileage at that test: 38,411 miles, which matches the advertised 39,837 miles.

Advertised mileage is about 17,400 miles lower 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

95 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.