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: 48,155 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 48,155 miles, approximately 3,400 below the typical mileage for its age. Priced at £33,990, it is advertised £2,025 below the AskCar estimate of £36,015. The AskCar estimate draws on 433 Audi Q8 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 27 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. You can find this car at Group 1 Automotive Finchley Road Audi in London. 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: £2,025 (5%) under the AskCar estimate of £36,015.

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 2021 Audi Q8 with the 3.0 diesel engine is typically advertised at £36,000: the median of the 46 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi Q8 has been on sale for at least 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £35,990. Its asking price is now £33,990, £2,000 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 6 October 2026: £35,990
• 11 October 2026: £35,290
• 16 October 2026: £34,890
• 26 October 2026: £34,490
• 27 October 2026: £34,295
• 1 November 2026: £33,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 8 December 2026.

It has had 3 MOTs. The latest, on 6 October 2026, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 48,155 miles, which matches the advertised 48,155 miles.

Advertised mileage is about 3,400 miles lower 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 2 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, £2,000 more 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: 44,992 miles. Price: £36,000, £2,010 more than this car. Dealer: Sytner Group Wakefield Audi in Wakefield. AskCar page: https://askcar.co.uk/car/audi-q8-2021-bc7b6ad0451a
• 2021 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 51,443 miles. Price: £32,900, £1,090 less than this car. Dealer: Vindis Group Huntingdon Audi in Huntingdon. AskCar page: https://askcar.co.uk/car/audi-q8-2021-42651b06df3b

• The nearest: 2021 Audi Q8 S Line, 3.0 diesel SUV, grey, 7 miles from this car. Mileage: 73,200 miles. Price: £32,495, £1,495 less than this car. Dealer: David Ascott Motors in Greenford. AskCar page: https://askcar.co.uk/car/audi-q8-2021-04683a48964a