2021 Audi Q8 3.0 TDI V6 S Line

Price: £32,190. Good value: £5,485 (14%) under the AskCar estimate of £37,675, our expected asking price for this car from its model, age, mileage and specification, drawing on 433 priced Audi Q8 adverts on AskCar as of 2 November 2026.

AskCar lists 441 used Audi Q8 from 299 UK dealerships, as of 2 November 2026.

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: 38,358 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: Silver
  • CO2: 178 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q8 S Line has covered 38,358 miles, around 13,200 fewer miles than is typical for its age. The AskCar estimate for this car is £37,675. It is priced at £32,190, which is £5,485 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 433 Audi Q8 cars across different ages and specifications. The asking price is now £3,450 lower than when we first recorded the advert 158 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw BYD Bury, based in Bury. 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

Good value: £5,485 (14%) under the AskCar estimate of £37,675.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £35,640. Its asking price is now £32,190, £3,450 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 28 May 2026: £35,640
  • 8 June 2026: £35,510
  • 29 June 2026: £35,260
  • 16 July 2026: £35,230
  • 27 July 2026: £35,110
  • 3 August 2026: £35,080
  • 11 August 2026: £34,999
  • 16 August 2026: £34,400
  • 18 August 2026: £34,190
  • 28 August 2026: £33,850
  • 2 September 2026: £33,820
  • 8 September 2026: £33,790
  • 16 September 2026: £33,670
  • 22 September 2026: £33,590
  • 29 September 2026: £33,380
  • 7 October 2026: £33,300
  • 9 October 2026: £32,786
  • 13 October 2026: £32,600
  • 20 October 2026: £32,390
  • 27 October 2026: £32,190

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 2 June 2027.

It has had 4 MOTs. The latest, on 14 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 38,362 miles, which matches the advertised 38,358 miles.

Advertised mileage is about 13,200 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: 37,172 miles. Price: £33,900, £1,710 more than this car. Dealer: Vindis Group Cambridge Audi in Cambridge. AskCar page: https://askcar.co.uk/car/audi-q8-2021-ad6746032632
  • 2021 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 44,992 miles. Price: £36,000, £3,810 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: 48,155 miles. Price: £33,990, £1,800 more than this car. Dealer: Group 1 Automotive Finchley Road Audi in Camden. AskCar page: https://askcar.co.uk/car/audi-q8-2021-be9fd5e80d57

Browse all Audi Q8 cars for sale · 2021 Audi Q8 price guide

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Photos

34 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.