2020 Audi Q3 2.0 TDI S Line
Price: £16,900. Fair price: £752 (4%) under the AskCar estimate of £17,652, 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 (187 bhp)
- Year: 2020
- Mileage: 72,701 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: White
- CO2: 173 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi Q3 S Line has covered 72,701 miles, around 21,900 more miles than is typical for its age. Its asking price of £16,900 is £752 below the AskCar estimate of £17,652. To work out the AskCar estimate, we analyse UK dealer adverts for 3,499 Audi Q3 cars across different ages and specifications. We have tracked this advert for 14 days. 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 5 November 2026.
Price
Fair price: £752 (4%) under the AskCar estimate of £17,652.
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 14 days.
Price history
AskCar first saw this advert on 22 October 2026 at £16,900. 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 5 November 2026: valid until 23 January 2027.
It has had 4 MOTs. The latest, on 20 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 63,208 miles, which matches the advertised 72,701 miles.
Advertised mileage is about 21,900 miles higher 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, black. Mileage: 72,000 miles. Price: £16,250, £650 less than this car. Dealer: AMD Automotive in Stockport. AskCar page: https://askcar.co.uk/car/audi-q3-2020-aa9c5dcd8511
- 2020 Audi Q3 S Line, 2.0 diesel SUV, white. Mileage: 68,202 miles. Price: £20,945, £4,045 more than this car. Dealer: Gormley Car Sales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-q3-2020-5f4248de885e
- 2020 Audi Q3 S Line, 2.0 diesel SUV, white. Mileage: 68,183 miles. Price: £19,250, £2,350 more than this car. Dealer: The Car Group UK in Havering. AskCar page: https://askcar.co.uk/car/audi-q3-2020-d0fd7e762545
- The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, grey, 7 miles from this car. Mileage: 43,750 miles. Price: £22,395, £5,495 more than this car. Dealer: Specialist Carz in Ruislip. AskCar page: https://askcar.co.uk/car/audi-q3-2020-085530ea7e2d
Browse all Audi Q3 cars for sale · 2020 Audi Q3 price guide
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Photos
35 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.