2018 Audi A8 3.0

Overview

• Make: Audi
• Model: A8
• Version: 3.0 TDI Tiptronic 4WD Euro 6 4dr (281 bhp)
• Year: 2018
• Mileage: 30,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Silver
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 30,000 miles, this 2018 Audi A8 has covered about 25,800 fewer miles than other 2018 Audi A8 cars. Its asking price of £23,750 is £1,238 below the AskCar estimate of £24,988. The AskCar estimate uses UK dealer asking prices, including 219 Audi A8 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 19 days ago. The seller is Mon Motors Cardiff Audi, based in Cardiff. 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: £1,238 (4%) under the AskCar estimate of £24,988.

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 19 days.

Price history

AskCar first saw this advert on 16 October 2026 at £23,750. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 25,800 miles lower than the median mileage of a 2018 Audi A8 on AskCar.