2018 Audi Q8 3.0 TDI V6 S Line
Price: £31,995. Fair price: £423 (1%) over the AskCar estimate of £31,572, our expected asking price for this car from its model, age, mileage and specification, drawing on 435 priced Audi Q8 adverts on AskCar as of 4 November 2026.
AskCar lists 446 used Audi Q8 from 301 UK dealerships, as of 4 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: Black
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi Q8 S Line has covered 59,000 miles, around 9,400 fewer miles than is typical for its age. Its asking price of £31,995 is £423 above the AskCar estimate of £31,572. The AskCar estimate uses UK dealer asking prices, including 435 Audi Q8 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 34 days ago, the asking price has dropped by £3,000. Its advertised mileage matches the government's MOT record. 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 4 November 2026.
Price
Fair price: £423 (1%) over the AskCar estimate of £31,572.
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 435 priced Audi Q8 adverts across different ages and specifications, as of 4 November 2026.
A 2018 Audi Q8 with the 3.0 diesel engine is typically advertised at £31,000: the median of the 35 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 Audi Q8 has been on sale for at least 34 days.
Price history
AskCar first saw this advert on 1 October 2026 at £34,995. Its asking price is now £31,995, £3,000 less. The latest price cut was seen on 10 October 2026.
Price changes recorded:
- 1 October 2026: £34,995
- 4 October 2026: £32,995
- 10 October 2026: £31,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 April 2027.
It has had 5 MOTs. The latest, on 13 March 2026, passed.
Advisories at the latest test: rear registration plate deteriorated but not likely to be misread.
Mileage at that test: 50,595 miles, which matches the advertised 59,000 miles.
Advertised mileage is about 9,400 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 4 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, £2,005 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, grey. Mileage: 59,000 miles. Price: £36,995, £5,000 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/audi-q8-2018-e271adb8a79f
- 2018 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 60,000 miles. Price: £29,289, £2,706 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, £8,000 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
25 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.