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: 42,065 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: Blue
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi Q8 S Line is advertised with 42,065 miles, approximately 25,400 below the typical mileage for its age. The AskCar estimate for this car is £34,173. It is priced at £32,989, which is £1,184 below that estimate. The AskCar estimate uses UK dealer asking prices, including 433 Audi Q8 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 96 days ago. Its asking price has since fallen by £2,000. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by A6 Motors in Bedford. 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: £1,184 (3%) under the AskCar estimate of £34,173.

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 96 days.

Price history

AskCar first saw this advert on 29 July 2026 at £34,989. Its asking price is now £32,989, £2,000 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 29 July 2026: £34,989
• 20 August 2026: £34,389
• 1 September 2026: £33,989
• 8 October 2026: £33,289
• 9 October 2026: £32,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 July 2027.

It has had 7 MOTs. The latest, on 24 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,068 miles, which matches the advertised 42,065 miles.

Advertised mileage is about 25,400 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 40,000 miles. Price: £39,995, £7,006 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/audi-q8-2018-531f4bca3bcc
• 2018 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 37,864 miles. Price: £30,227, £2,762 less than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-q8-2018-9ef3fee1c43b
• 2018 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 31,650 miles. Price: £31,490, £1,499 less than this car. Dealer: Group 1 Automotive Lowestoft Audi in Lowestoft. AskCar page: https://askcar.co.uk/car/audi-q8-2018-f5945593ef7e

• The nearest: 2018 Audi Q8 S Line, 3.0 diesel SUV, grey, under a mile from this car. Mileage: 77,680 miles. Price: £31,489, £1,500 less than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/audi-q8-2018-13f0abb89c9f