2020 Audi Q8 3.0 TDI V6 S Line
Price: £24,995. Fair price: £1,479 (6%) over the AskCar estimate of £23,516, our expected asking price for this car from its model, age, mileage and specification, drawing on 424 priced Audi Q8 adverts on AskCar as of 6 November 2026.
AskCar lists 438 used Audi Q8 from 298 UK dealerships, as of 6 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: 114,000 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: Black
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi Q8 S Line is advertised with 114,000 miles, approximately 57,600 above the typical mileage for its age. The dealer is asking £24,995, which is £1,479 above the AskCar estimate of £23,516. To work out the AskCar estimate, we analyse UK dealer adverts for 424 Audi Q8 cars across different ages and specifications. We first saw this car advertised 162 days ago. Its asking price has since fallen by £4,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is H & M Cars Barnsley, based in Barnsley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £1,479 (6%) over the AskCar estimate of £23,516.
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 424 priced Audi Q8 adverts across different ages and specifications, as of 6 November 2026.
A 2020 Audi Q8 with the 3.0 diesel engine is typically advertised at £33,000: the median of the 38 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2020 Audi Q8 has been on sale for at least 162 days.
Price history
AskCar first saw this advert on 28 May 2026 at £28,995. Its asking price is now £24,995, £4,000 less. The latest price cut was seen on 28 October 2026.
Price changes recorded:
- 29 May 2026: £28,995
- 2 June 2026: £27,995
- 7 July 2026: £27,495
- 8 July 2026: £26,995
- 6 August 2026: £26,495
- 13 October 2026: £25,995
- 27 October 2026: £25,495
- 28 October 2026: £24,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 14 December 2026.
It failed its MOT on 12 December 2025 (nearside front tyre tread depth below requirements of 1.6mm; offside front tyre tread depth below requirements of 1.6mm; offside rear tyre tread depth below requirements of 1.6mm; and 1 more) and passed 3 days later, on 15 December 2025.
There were no advisories at the latest test.
Mileage at that test: 100,636 miles, which matches the advertised 114,000 miles.
Advertised mileage is about 57,600 miles higher than the median mileage of a 2020 Audi Q8 on AskCar.
Similar cars
16 other 2020 Audi Q8 S Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £26,990 to £39,968, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 81,000 miles. Price: £26,990, £1,995 more than this car. Dealer: Raymond Smith Garages in Bedford. AskCar page: https://askcar.co.uk/car/audi-q8-2020-265af56e6f65
- 2020 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 79,000 miles. Price: £31,995, £7,000 more than this car. Dealer: TCC Essex in Hainault. AskCar page: https://askcar.co.uk/car/audi-q8-2020-fddbf9a0a6c3
- 2020 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 75,024 miles. Price: £29,995, £5,000 more than this car. Dealer: Magna Motor Group in Warrington. AskCar page: https://askcar.co.uk/car/audi-q8-2020-a513ebcbd8c1
- The nearest: 2020 Audi Q8 S Line, 3.0 diesel SUV, grey, 33 miles from this car. Mileage: 53,000 miles. Price: £31,990, £6,995 more than this car. Dealer: Group 1 Automotive Macclesfield Audi in Macclesfield. AskCar page: https://askcar.co.uk/car/audi-q8-2020-412d2c311b1c
Browse all Audi Q8 cars for sale · 2020 Audi Q8 price guide
More like this
- Used Audi Q8 S Line prices
- Used Audi Q8 for sale under £30,000
- Used diesel Audi Q8 for sale
- Used Audi Q8 for sale near Barnsley
Photos
60 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.