2018 Audi A8 3.0

Overview

• Make: Audi
• Model: A8
• Version: 3.0 55 TFSI Tiptronic 4WD Euro 6 4dr (335 bhp)
• Year: 2018
• Mileage: 37,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 175 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A8 has covered 37,000 miles. Priced at £22,690, it is advertised £4,107 below the AskCar estimate of £26,797. To work out the AskCar estimate, we analyse UK dealer adverts for 214 Audi A8 cars across different ages and specifications. The asking price is now £1,210 lower than when we first recorded the advert 156 days ago. Ask the dealer why the advert shows fewer miles than the 37,661 recorded at the latest MOT. Our records show an MOT expiry date of 14 October 2026, which has passed. Ask the dealer for an update. It is advertised by Stains Cars in Ashford. 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

Good value: £4,107 (15%) under the AskCar estimate of £26,797.

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 156 days.

Price history

AskCar first saw this advert on 30 May 2026 at £23,900. Its asking price is now £22,690, £1,210 less. The latest price cut was seen on 3 October 2026.

Price changes recorded:

• 31 May 2026: £23,900
• 16 June 2026: £23,690
• 17 July 2026: £23,490
• 3 October 2026: £22,690

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 14 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 15 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 37,661 miles. The advert says 37,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 20,200 miles lower than the median mileage of a 2018 Audi A8 on AskCar.