2020 Audi Q3 2.0 TDI S Line

Price: £18,990. Fair price: £1,185 (5%) under the AskCar estimate of £20,175, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,488 priced Audi Q3 adverts on AskCar as of 4 November 2026.

AskCar lists 3,545 used Audi Q3 from 1,632 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: Q3
  • Trim: S Line
  • Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr (148 bhp)
  • Year: 2020
  • Mileage: 42,970 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 158 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi Q3 S Line has covered 42,970 miles, around 7,500 fewer miles than is typical for its age. The AskCar estimate for this car is £20,175. It is priced at £18,990, which is £1,185 below that estimate. The AskCar estimate uses 3,488 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 £1,210. Our records show an MOT expiry date of 24 September 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. The seller is ProSportsCars, based in Hull. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,185 (5%) under the AskCar estimate of £20,175.

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 3,488 priced Audi Q3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi Q3 with the 2.0 diesel engine is typically advertised at £20,000: the median of the 127 for sale on AskCar, as of 4 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 19 September 2026 at £20,200. Its asking price is now £18,990, £1,210 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

  • 19 September 2026: £20,200
  • 16 October 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 18 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 37,580 miles, which matches the advertised 42,970 miles.

Advertised mileage is about 7,500 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 43,022 miles. Price: £19,893, £903 more than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-q3-2020-f5fa0833b3d3
  • 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 43,750 miles. Price: £22,395, £3,405 more than this car. Dealer: Specialist Carz in Ruislip. AskCar page: https://askcar.co.uk/car/audi-q3-2020-085530ea7e2d
  • 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 45,979 miles. Price: £18,998, the same price as this car. Dealer: Arnold Clark Linwood Volkswagen in Linwood. AskCar page: https://askcar.co.uk/car/audi-q3-2020-f699a7196cdf
  • The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, grey, 5 miles from this car. Mileage: 54,597 miles. Price: £19,152, £162 more than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-q3-2020-773bc8f34a23

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

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Photos

70 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.