2020 Audi Q8 3.0 TDI V6 S Line

Price: £30,050. Good value: £3,065 (9%) under the AskCar estimate of £33,115, our expected asking price for this car from its model, age, mileage and specification, drawing on 435 priced Audi Q8 adverts on AskCar as of 8 November 2026.

AskCar lists 444 used Audi Q8 from 301 UK dealerships, as of 8 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: 56,426 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: Blue
  • CO2: 178 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 Audi Q8 S Line is 56,426 miles. Its asking price of £30,050 is £3,065 below the AskCar estimate of £33,115. The AskCar estimate uses 435 UK dealer adverts for the Audi Q8, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Car Planet Watford, based in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Good value: £3,065 (9%) under the AskCar estimate of £33,115.

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 435 priced Audi Q8 adverts across different ages and specifications, as of 8 November 2026.

A 2020 Audi Q8 with the 3.0 diesel engine is typically advertised at £32,800: the median of the 40 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2020 Audi Q8 advertised today.

Price history

AskCar first saw this advert on 8 November 2026 at £30,050. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 23 July 2027.

It has had 4 MOTs. The latest, on 24 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,696 miles, which matches the advertised 56,426 miles.

Advertised mileage is about 100 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 8 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 56,559 miles. Price: £29,995, £55 less than this car. Dealer: Park's Honda Ayr in Ayr. AskCar page: https://askcar.co.uk/car/audi-q8-2020-bfdd7095b0af
  • 2020 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 56,882 miles. Price: £31,200, £1,150 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-q8-2020-db2f965dc220
  • 2020 Audi Q8 S Line, 3.0 diesel SUV, grey. Mileage: 55,875 miles. Price: £33,790, £3,740 more than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-q8-2020-709d8a3c53c9
  • The nearest: 2020 Audi Q8 S Line, 3.0 diesel SUV, grey, under a mile from this car. Mileage: 44,000 miles. Price: £33,995, £3,945 more than this car. Dealer: Prestigio Motor Company in Watford. AskCar page: https://askcar.co.uk/car/audi-q8-2020-522038b9f8ae

Browse all Audi Q8 cars for sale · 2020 Audi Q8 price guide

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Photos

1 photo of this car is on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.