2021 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: 2021
• Mileage: 74,000 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: Blue
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q8 S Line is advertised with 74,000 miles, approximately 24,000 above the typical mileage for its age. The dealer is asking £30,990, which is £371 below the AskCar estimate of £31,361. To work out the AskCar estimate, we analyse UK dealer adverts for 435 Audi Q8 cars across different ages and specifications. It first appeared in our advert records 5 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Samys Car Sales in Bedford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £371 (1%) under the AskCar estimate of £31,361.

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 2021 Audi Q8 with the 3.0 diesel engine is typically advertised at £36,000: the median of the 45 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 Audi Q8 advertised 5 days ago. About 3 in 10 of 2021 Audi Q8 cars are gone from sale within a month of being advertised: 16 of the 52 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £30,990. 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 4 November 2026: valid until 11 September 2027.

It has had 3 MOTs. The latest, on 9 September 2026, passed.

Advisories at the latest test: under trays fitted not allowing full inspection.

Mileage at that test: 72,649 miles, which matches the advertised 74,000 miles.

Advertised mileage is about 24,000 miles higher than the median mileage of a 2021 Audi Q8 on AskCar.

Similar cars

11 other 2021 Audi Q8 S Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £32,190 to £38,750, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 73,200 miles. Price: £32,495, £1,505 more than this car. Dealer: David Ascott Motors in Greenford. AskCar page: https://askcar.co.uk/car/audi-q8-2021-04683a48964a
• 2021 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 73,000 miles. Price: £33,990, £3,000 more than this car. Dealer: Hynes Motors in Newry. AskCar page: https://askcar.co.uk/car/audi-q8-2021-ce98c7bba67d
• 2021 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 64,000 miles. Price: £35,395, £4,405 more than this car. Dealer: CarPlex in Hailsham. AskCar page: https://askcar.co.uk/car/audi-q8-2021-751c9e0eb10d

• The nearest: 2021 Audi Q8 S Line, 3.0 diesel SUV, grey, 19 miles from this car. Mileage: 51,443 miles. Price: £36,139, £5,149 more than this car. Dealer: Vindis Group Huntingdon Audi in Huntingdon. AskCar page: https://askcar.co.uk/car/audi-q8-2021-42651b06df3b