2018 Audi Q8 3.0 TDI V6 S Line

Price: £36,995. Above the going rate: £5,382 (17%) over the AskCar estimate of £31,613, our expected asking price for this car from its model, age, mileage and specification, drawing on 433 priced Audi Q8 adverts on AskCar as of 2 November 2026.

AskCar lists 441 used Audi Q8 from 299 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: Q8
  • Trim: S Line
  • Version: 3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 5dr (282 bhp)
  • Year: 2018
  • Mileage: 59,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 282 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 178 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 59,000 miles on the clock, this 2018 Audi Q8 S Line has done roughly 8,500 fewer miles than a typical 2018 Audi Q8. Priced at £36,995, it is advertised £5,382 above the AskCar estimate of £31,613. To work out the AskCar estimate, we analyse UK dealer adverts for 433 Audi Q8 cars across different ages and specifications. It first appeared in our advert records 74 days ago. The seller is AH Specialist Cars, based in Watford. 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

Above the going rate: £5,382 (17%) over the AskCar estimate of £31,613.

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 433 priced Audi Q8 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi Q8 with the 3.0 diesel engine is typically advertised at £31,000: the median of the 33 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi Q8 has been on sale for at least 74 days.

Price history

AskCar first saw this advert on 20 August 2026 at £36,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 8,500 miles lower than the median mileage of a 2018 Audi Q8 on AskCar.

Similar cars

22 other 2018 Audi Q8 S Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £22,950 to £39,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi Q8 S Line, 3.0 diesel SUV, blue. Mileage: 59,000 miles. Price: £29,990, £7,005 less than this car. Dealer: LTV in Manchester. AskCar page: https://askcar.co.uk/car/audi-q8-2018-07f5207b2f4b
  • 2018 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 59,000 miles. Price: £31,995, £5,000 less than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/audi-q8-2018-955d0c617188
  • 2018 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 60,000 miles. Price: £29,289, £7,706 less than this car. Dealer: Bluehawk Automotive in Hounslow. AskCar page: https://askcar.co.uk/car/audi-q8-2018-991789b50665
  • The nearest: 2018 Audi Q8 S Line, 3.0 diesel SUV, black, under a mile from this car. Mileage: 40,000 miles. Price: £39,995, £3,000 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/audi-q8-2018-531f4bca3bcc

Browse all Audi Q8 cars for sale · 2018 Audi Q8 price guide

More like this

Photos

23 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.