2021 Audi Q8 3.0 S line

Overview

• Make: Audi
• Model: Q8
• Trim: S Line
• Version: 3.0 TDI S Line Tiptronic 4WD Euro 6 5dr 50 (281 bhp)
• Year: 2021
• Mileage: 48,507 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 217 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Audi Q8 S Line is 48,507 miles. Its asking price of £33,990 is £648 below the AskCar estimate of £34,638. The AskCar estimate uses UK dealer asking prices, including 430 Audi Q8 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 133 days ago, the asking price has dropped by £5,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Halesowen Audi, based in Halesowen. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £648 (1%) under the AskCar estimate of £34,638.

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 430 priced Audi Q8 adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2021 Audi Q8 has been on sale for at least 133 days.

Price history

AskCar first saw this advert on 25 June 2026 at £38,990. Its asking price is now £33,990, £5,000 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 26 June 2026: £38,990
• 7 July 2026: £38,995
• 13 July 2026: £38,650
• 22 July 2026: £38,495
• 29 July 2026: £38,350
• 5 August 2026: £37,995
• 9 August 2026: £37,895
• 22 August 2026: £37,750
• 30 August 2026: £36,990
• 7 September 2026: £36,750
• 12 September 2026: £35,990
• 19 September 2026: £35,650
• 24 September 2026: £34,457
• 25 September 2026: £34,990
• 10 October 2026: £34,390
• 20 October 2026: £33,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 22 January 2027.

It has had 2 MOTs. The latest, on 23 January 2026, passed.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened; rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 46,066 miles, which matches the advertised 48,507 miles.

Advertised mileage is about 1,000 miles lower than the median mileage of a 2021 Audi Q8 on AskCar.

Similar cars

12 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 48,155 miles. Price: £33,990, the same price as 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, 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: 51,443 miles. Price: £36,040, £2,050 more than this car. Dealer: Vindis Group Huntingdon Audi in Huntingdon. AskCar page: https://askcar.co.uk/car/audi-q8-2021-42651b06df3b