2020 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: 2020
• Mileage: 45,117 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 45,117 miles, around 11,800 fewer miles than is typical for its age. The AskCar estimate for this car is £34,940. It is priced at £30,450, which is £4,490 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 433 Audi Q8 cars across different ages and specifications. Since we first spotted the advert 119 days ago, the asking price has dropped by £3,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Car Planet Barnet in New Southgate. 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: £4,490 (12%) under the AskCar estimate of £34,940.

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 119 days.

Price history

AskCar first saw this advert on 6 July 2026 at £33,750. Its asking price is now £30,450, £3,300 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 6 July 2026: £33,750
• 20 August 2026: £33,450
• 3 September 2026: £33,150
• 9 September 2026: £32,850
• 15 September 2026: £32,550
• 22 September 2026: £32,250
• 28 September 2026: £31,950
• 4 October 2026: £31,650
• 13 October 2026: £31,350
• 19 October 2026: £31,050
• 26 October 2026: £30,750
• 1 November 2026: £30,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 December 2026.

It has had 2 MOTs. The latest, on 17 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 44,177 miles, which matches the advertised 45,117 miles.

Advertised mileage is about 11,800 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: 48,090 miles. Price: £35,995, £5,545 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, grey. Mileage: 41,408 miles. Price: £30,990, £540 more than this car. Dealer: Marshall Land Rover Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-q8-2020-aa8e5801b3ab
• 2020 Audi Q8 S Line, 3.0 diesel SUV, black. Mileage: 49,000 miles. Price: £33,948, £3,498 more than this car. Dealer: Imperials -Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-q8-2020-8f1171fc80d5

• The nearest: 2020 Audi Q8 S Line, 3.0 diesel SUV, grey, 12 miles from this car. Mileage: 55,875 miles. Price: £33,790, £3,340 more than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-q8-2020-709d8a3c53c9