2018 Audi Q8 3.0 TDI V6 S Line
Price: £31,489. Above the going rate: £3,371 (11%) over the AskCar estimate of £28,118, 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: 77,680 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
This 2018 Audi Q8 S Line has covered 77,680 miles, around 10,200 more miles than is typical for its age. Priced at £31,489, it is advertised £3,371 above the AskCar estimate of £28,118. 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 158 days ago. Its asking price has since fallen by £3,500. The government's MOT record matches its advertised mileage. It is for sale at 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.
Price
Above the going rate: £3,371 (11%) over the AskCar estimate of £28,118.
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 158 days.
Price history
AskCar first saw this advert on 28 May 2026 at £34,989. Its asking price is now £31,489, £3,500 less. The latest price cut was seen on 1 November 2026.
Price changes recorded:
- 28 May 2026: £34,989
- 16 June 2026: £34,389
- 4 July 2026: £33,789
- 20 August 2026: £33,489
- 22 August 2026: £32,989
- 25 September 2026: £32,689
- 8 October 2026: £31,989
- 1 November 2026: £31,489
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 April 2027.
It has had 6 MOTs. The latest, on 29 April 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 76,304 miles, which matches the advertised 77,680 miles.
Advertised mileage is about 10,200 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, black. Mileage: 77,000 miles. Price: £27,995, £3,494 less 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, white. Mileage: 83,454 miles. Price: £25,490, £5,999 less than this car. Dealer: Westfield Prestige Cars in Kirkby-in-Ashfield. AskCar page: https://askcar.co.uk/car/audi-q8-2018-5a274ef2f1b3
- 2018 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 70,556 miles. Price: £28,800, £2,689 less 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, blue, under a mile from this car. Mileage: 42,065 miles. Price: £32,989, £1,500 more than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/audi-q8-2018-3e0f372edee9
Browse all Audi Q8 cars for sale · 2018 Audi Q8 price guide
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Photos
55 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.