2020 Audi Q3 2.0 TDI S Line
Price: £20,587. Fair price: £778 (3%) under the AskCar estimate of £21,365, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,519 priced Audi Q3 adverts on AskCar as of 7 November 2026.
AskCar lists 3,587 used Audi Q3 from 1,644 UK dealerships, as of 7 November 2026.
Overview
- Make: Audi
- Model: Q3
- Trim: S Line
- Version: 2.0 TDI S Line S tronic 4WD Euro 6 5dr 40 (187 bhp)
- Year: 2020
- Mileage: 42,232 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: White
- CO2: 191 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi Q3 S Line is advertised with 42,232 miles, approximately 8,100 below the typical mileage for its age. Priced at £20,587, it is advertised £778 below the AskCar estimate of £21,365. The AskCar estimate draws on 3,519 Audi Q3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 17 days ago, the asking price has dropped by £408. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stoneacre Halifax Mazda, based in Halifax. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £778 (3%) under the AskCar estimate of £21,365.
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 3,519 priced Audi Q3 adverts across different ages and specifications, as of 7 November 2026.
A 2020 Audi Q3 with the 2.0 diesel engine is typically advertised at £20,000: the median of the 129 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2020 Audi Q3 has been on sale for at least 17 days.
Price history
AskCar first saw this advert on 21 October 2026 at £20,995. Its asking price is now £20,587, £408 less. The latest price cut was seen on 3 November 2026.
Price changes recorded:
- 21 October 2026: £20,995
- 27 October 2026: £20,694
- 3 November 2026: £20,587
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 February 2027.
It has had 5 MOTs. The latest, on 21 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 42,232 miles, which matches the advertised 42,232 miles.
Advertised mileage is about 8,100 miles lower than the median mileage of a 2020 Audi Q3 on AskCar.
Similar cars
1 other 2020 Audi Q3 S Line 2.0 diesel automatic hatchback is for sale at UK dealers, as of 7 November 2026.
The closest to this car in mileage:
- 2020 Audi Q3 S Line, 2.0 diesel hatchback, grey. Mileage: 65,476 miles. Price: £17,900, £2,687 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-q3-2020-96da3a1710b4
Browse all Audi Q3 cars for sale · 2020 Audi Q3 price guide
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Photos
23 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 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.