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: 51,443 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 2021 Audi Q8 S Line is advertised with 51,443 miles on the clock. The AskCar estimate for this car is £35,685. It is priced at £36,139, which is £454 above that estimate. The AskCar estimate uses UK dealer asking prices, including 435 Audi Q8 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 70 days ago. Its asking price has since fallen by £1,867. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vindis Group Huntingdon Audi, based in Huntingdon. 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: £454 (1%) over the AskCar estimate of £35,685.

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

This 2021 Audi Q8 has been on sale for at least 70 days.

Price history

AskCar first saw this advert on 26 August 2026 at £38,006. Its asking price is now £36,139, £1,867 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 26 August 2026: £38,006
• 27 August 2026: £37,991
• 28 August 2026: £37,976
• 29 August 2026: £37,993
• 31 August 2026: £37,894
• 2 September 2026: £37,847
• 3 September 2026: £37,900
• 4 September 2026: £37,864
• 5 September 2026: £37,886
• 6 September 2026: £37,787
• 8 September 2026: £37,843
• 9 September 2026: £37,864
• 10 September 2026: £37,871
• 11 September 2026: £37,772
• 12 September 2026: £37,769
• 13 September 2026: £37,670
• 15 September 2026: £37,751
• 16 September 2026: £37,762
• 18 September 2026: £37,661
• 19 September 2026: £37,562
• 22 September 2026: £37,497
• 23 September 2026: £37,171
• 24 September 2026: £37,131
• 25 September 2026: £37,562
• 26 September 2026: £37,113
• 27 September 2026: £37,562
• 29 September 2026: £37,011
• 30 September 2026: £36,978
• 1 October 2026: £36,970
• 2 October 2026: £36,871
• 3 October 2026: £36,889
• 4 October 2026: £34,900
• 16 October 2026: £33,900
• 28 October 2026: £32,900
• 4 November 2026: £36,139

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 February 2027.

It has had 2 MOTs. The latest, on 14 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,794 miles, which matches the advertised 51,443 miles.

Advertised mileage is about 1,400 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 £30,990 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, blue. Mileage: 50,000 miles. Price: £35,990, £149 less than this car. Dealer: Derby Trade Cars in Derby. AskCar page: https://askcar.co.uk/car/audi-q8-2021-bf9c3f2c76d8
• 2021 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 48,155 miles. Price: £33,990, £2,149 less than this car. Dealer: Group 1 Automotive Finchley Road Audi in Camden. AskCar page: https://askcar.co.uk/car/audi-q8-2021-be9fd5e80d57
• 2021 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 44,992 miles. Price: £35,000, £1,139 less than this car. Dealer: Sytner Group Wakefield Audi in Wakefield. AskCar page: https://askcar.co.uk/car/audi-q8-2021-bc7b6ad0451a

• The nearest: 2021 Audi Q8 S Line, 3.0 diesel SUV, blue, 19 miles from this car. Mileage: 74,000 miles. Price: £30,990, £5,149 less than this car. Dealer: Samys Car Sales in Bedford. AskCar page: https://askcar.co.uk/car/audi-q8-2021-8b68f068ed28