2020 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 33,250 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi Q3 S Line is advertised with 33,250 miles, approximately 17,200 below the typical mileage for its age. The dealer is asking £22,150, which is £507 below the AskCar estimate of £22,657. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. Since we first spotted the advert 26 days ago, the asking price has dropped by £700. We checked its advertised mileage against the government's MOT record, and they match. The seller is Group 1 Automotive Stockport Audi, based in Stockport. 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: £507 (2%) under the AskCar estimate of £22,657.

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 26 days.

Price history

AskCar first saw this advert on 9 October 2026 at £22,850. Its asking price is now £22,150, £700 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 9 October 2026: £22,850
• 14 October 2026: £22,550
• 23 October 2026: £22,444
• 28 October 2026: £22,150

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 30 July 2027.

It has had 4 MOTs. The latest, on 27 July 2026, passed.

Advisories at the latest test: brake disc worn, pitted or scored, but not seriously weakened both front; suspension arm pin or bush worn but not resulting in excessive movement both front.

Mileage at that test: 32,380 miles, which matches the advertised 33,250 miles.

Advertised mileage is about 17,200 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, white. Mileage: 37,000 miles. Price: £20,750, £1,400 less than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/audi-q3-2020-bf7d7ad61ee8
• 2020 Audi Q3 S Line, 2.0 diesel SUV, orange. Mileage: 39,128 miles. Price: £20,500, £1,650 less than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-q3-2020-17e39e12a2a7
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 42,970 miles. Price: £18,990, £3,160 less than this car. Dealer: ProSportsCars in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-q3-2020-4f340246f64a

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, black, 3 miles from this car. Mileage: 72,000 miles. Price: £16,250, £5,900 less than this car. Dealer: AMD Automotive in Stockport. AskCar page: https://askcar.co.uk/car/audi-q3-2020-aa9c5dcd8511