2020 Audi Q3 2.0 TDI S Line

Price: £12,750. Fair price: £246 (1%) under the AskCar estimate of £12,996, 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 35 TDI S Line S tronic Euro 6 5dr (148 bhp)
  • Year: 2020
  • Mileage: 112,600 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Colour: Grey
  • CO2: 158 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi Q3 S Line is advertised with 112,600 miles, approximately 62,100 above the typical mileage for its age. The dealer is asking £12,750, which is £246 below the AskCar estimate of £12,996. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. The asking price is now £749 lower than when we first recorded the advert 40 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at CG Motors in Chesterfield. 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: £246 (1%) under the AskCar estimate of £12,996.

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 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £13,499. Its asking price is now £12,750, £749 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 25 September 2026: £13,499
  • 22 October 2026: £12,999
  • 30 October 2026: £12,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 April 2027.

It has had 5 MOTs. The latest, on 14 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 108,238 miles, which matches the advertised 112,600 miles.

Advertised mileage is about 62,100 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 £15,190 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, white. Mileage: 83,852 miles. Price: £15,512, £2,762 more than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-q3-2020-d819dbb24901
  • 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 83,712 miles. Price: £16,450, £3,700 more than this car. Dealer: Stratstone Tamworth Audi in Tamworth. AskCar page: https://askcar.co.uk/car/audi-q3-2020-11c652e5e3e3
  • 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 82,699 miles. Price: £15,190, £2,440 more than this car. Dealer: Stratstone Shrewsbury Audi in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-q3-2020-e7f1e33b4f34
  • The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, black, 4 miles from this car. Mileage: 68,145 miles. Price: £16,823, £4,073 more than this car. Dealer: JCT600 Volkswagen Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-q3-2020-8be35c1d1a33

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 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.