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: 70,556 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

The advertised mileage for this 2018 Audi Q8 S Line is 70,556 miles. Priced at £28,800, it is advertised £623 below the AskCar estimate of £29,423. The AskCar estimate uses 433 UK dealer adverts for the Audi Q8, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 3 days ago. Ask the dealer why the advert shows fewer miles than the 77,759 recorded at the latest MOT. The latest recorded MOT expiry date is 29 October 2026, which has passed. Confirm its status with the dealer. The seller is Marshall Motor Group Exeter Audi, based in Exeter. 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: £623 (2%) under the AskCar estimate of £29,423.

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

AskCar first saw this 2018 Audi Q8 advertised 3 days ago.

Price history

AskCar first saw this advert on 30 October 2026 at £28,800. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 29 October 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 14 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 77,759 miles. The advert says 70,556 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 3,100 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, blue. Mileage: 70,040 miles. Price: £28,475, £325 less than this car. Dealer: Motor Giant (Peterborough) in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q8-2018-80a77abd6a57
• 2018 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 70,000 miles. Price: £29,995, £1,195 more than this car. Dealer: Yorkshire Vehicle Solutions Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/audi-q8-2018-a8806f41dea6
• 2018 Audi Q8 S Line, 3.0 diesel SUV, blue. Mileage: 69,700 miles. Price: £31,995, £3,195 more than this car. Dealer: Autolab Select in Blackburn. AskCar page: https://askcar.co.uk/car/audi-q8-2018-bb79e8499958

• The nearest: 2018 Audi Q8 S Line, 3.0 diesel SUV, blue, 146 miles from this car. Mileage: 115,000 miles. Price: £22,950, £5,850 less than this car. Dealer: Boss Motor Company in Chesham. AskCar page: https://askcar.co.uk/car/audi-q8-2018-190d3f17d378