2020 Audi Q8 3.0 TDI V6 S Line
Price: £30,990. Good value: £4,551 (12%) under the AskCar estimate of £35,541, 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: 2020
- Mileage: 41,408 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 2020 Audi Q8 S Line has covered 41,408 miles, around 15,500 fewer miles than is typical for its age. Its asking price of £30,990 is £4,551 below the AskCar estimate of £35,541. The AskCar estimate uses 433 UK dealer adverts for the Audi Q8, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 144 days ago. Its asking price has since fallen by £4,810. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall Land Rover Swindon, based in Swindon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £4,551 (12%) under the AskCar estimate of £35,541.
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 2020 Audi Q8 with the 3.0 diesel engine is typically advertised at £33,000: the median of the 40 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2020 Audi Q8 has been on sale for at least 144 days.
Price history
AskCar first saw this advert on 11 June 2026 at £35,800. Its asking price is now £30,990, £4,810 less. The latest price cut was seen on 22 October 2026.
Price changes recorded:
- 25 June 2026: £35,800
- 2 July 2026: £35,500
- 10 July 2026: £35,400
- 16 July 2026: £35,200
- 23 July 2026: £35,300
- 30 July 2026: £34,900
- 11 August 2026: £34,600
- 14 August 2026: £34,400
- 20 August 2026: £34,150
- 27 August 2026: £34,000
- 3 September 2026: £33,700
- 11 September 2026: £33,100
- 17 September 2026: £32,400
- 25 September 2026: £32,300
- 1 October 2026: £32,100
- 9 October 2026: £31,400
- 13 October 2026: £31,200
- 22 October 2026: £30,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 December 2026.
It has had 3 MOTs. The latest, on 8 December 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 38,089 miles, which matches the advertised 41,408 miles.
Advertised mileage is about 15,500 miles lower than the median mileage of a 2020 Audi Q8 on AskCar.
Similar cars
18 other 2020 Audi Q8 S Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £24,995 to £39,968, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 45,117 miles. Price: £30,450, £540 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-q8-2020-bb32f9adcfe3
- 2020 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 48,090 miles. Price: £35,995, £5,005 more than this car. Dealer: S J Davidson Motors in Dungannon. AskCar page: https://askcar.co.uk/car/audi-q8-2020-652fc41a2a75
- 2020 Audi Q8 S Line, 3.0 diesel SUV, white. Mileage: 34,012 miles. Price: £32,998, £2,008 more than this car. Dealer: Arnold Clark Mercedes-Benz & smart of Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-q8-2020-8f348d317ead
- The nearest: 2020 Audi Q8 S Line, 3.0 diesel SUV, silver, 67 miles from this car. Mileage: 33,776 miles. Price: £39,968, £8,978 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-q8-2020-e8d460f5bf5a
Browse all Audi Q8 cars for sale · 2020 Audi Q8 price guide
More like this
Photos
73 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.