2020 Audi Q3 2.0 TDI S Line

Price: £19,995. Fair price: £1,029 (4%) under the AskCar estimate of £21,024, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,499 priced Audi Q3 adverts on AskCar as of 5 November 2026.

AskCar lists 3,564 used Audi Q3 from 1,628 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: Q3
  • Trim: S Line
  • Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (197 bhp)
  • Year: 2020
  • Mileage: 47,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 197 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 174 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,000 miles on the clock, this 2020 Audi Q3 S Line has done roughly 3,800 fewer miles than a typical 2020 Audi Q3. The AskCar estimate for this car is £21,024. It is priced at £19,995, which is £1,029 below that estimate. The AskCar estimate uses 3,499 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 46 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Audi Hamilton, based in Hamilton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,029 (4%) under the AskCar estimate of £21,024.

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 3,499 priced Audi Q3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 Audi Q3 with the 2.0 diesel engine is typically advertised at £20,000: the median of the 126 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Audi Q3 has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 20 September 2026 at £20,995. Its asking price is now £19,995, £1,000 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

  • 20 September 2026: £20,995
  • 22 September 2026: £20,795
  • 3 October 2026: £20,695
  • 8 October 2026: £20,595
  • 10 October 2026: £20,495
  • 18 October 2026: £20,395
  • 21 October 2026: £20,195
  • 23 October 2026: £20,295
  • 27 October 2026: £20,195
  • 2 November 2026: £19,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 23 June 2027.

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

There were no advisories at the latest test.

Mileage at that test: 45,971 miles, which matches the advertised 47,000 miles.

Advertised mileage is about 3,800 miles lower than the median mileage of a 2020 Audi Q3 on AskCar.

Similar cars

34 other 2020 Audi Q3 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,750 to £24,495, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 47,250 miles. Price: £22,445, £2,450 more than this car. Dealer: Morgan Cars and Commercials in Ballyclare. AskCar page: https://askcar.co.uk/car/audi-q3-2020-fe4b9a655e9c
  • 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 50,145 miles. Price: £18,998, £997 less than this car. Dealer: Lookers Audi Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-q3-2020-ab771e3dec19
  • 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 43,750 miles. Price: £22,395, £2,400 more than this car. Dealer: Specialist Carz in Ruislip. AskCar page: https://askcar.co.uk/car/audi-q3-2020-085530ea7e2d
  • The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, black, 5 miles from this car. Mileage: 60,510 miles. Price: £17,498, £2,497 less than this car. Dealer: Arnold Clark Glasgow Hamilton Road Vauxhall / Fiat / Abarth in Glasgow. AskCar page: https://askcar.co.uk/car/audi-q3-2020-6c320e116252

Browse all Audi Q3 cars for sale · 2020 Audi Q3 price guide

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Photos

34 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.