2018 Audi Q8 3.0 TDI V6 S Line

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: 83,454 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: White
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi Q8 S Line has covered 83,454 miles, around 16,000 more miles than is typical for its age. The dealer is asking £25,490, which is £1,613 below the AskCar estimate of £27,103. To work out the AskCar estimate, we analyse UK dealer adverts for 433 Audi Q8 cars across different ages and specifications. We first recorded this advert 14 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is advertised by Westfield Prestige Cars in Kirkby in Ashfield. 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: £1,613 (5%) under the AskCar estimate of £27,103.

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 14 days.

Price history

AskCar first saw this advert on 19 October 2026 at £25,990. Its asking price is now £25,490, £500 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 19 October 2026: £25,990
• 29 October 2026: £25,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 December 2026.

It has had 5 MOTs. The latest, on 11 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 72,810 miles, which matches the advertised 83,454 miles.

Advertised mileage is about 16,000 miles higher 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, grey. Mileage: 77,680 miles. Price: £31,489, £5,999 more than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/audi-q8-2018-13f0abb89c9f
• 2018 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 77,000 miles. Price: £27,995, £2,505 more than this car. Dealer: Yorkshire Vehicle Solutions in York. AskCar page: https://askcar.co.uk/car/audi-q8-2018-f9e2837fc4e7
• 2018 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 70,556 miles. Price: £28,800, £3,310 more than this car. Dealer: Marshall Motor Group Exeter Audi in Exeter. AskCar page: https://askcar.co.uk/car/audi-q8-2018-caea5331ed17

• The nearest: 2018 Audi Q8 S Line, 3.0 diesel SUV, white, 19 miles from this car. Mileage: 62,598 miles. Price: £30,000, £4,510 more than this car. Dealer: GT Automotive Group in Sheffield. AskCar page: https://askcar.co.uk/car/audi-q8-2018-9715e21384e0