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 (148 bhp)
• Year: 2020
• Mileage: 37,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 Audi Q3 S Line is 37,000 miles. Priced at £20,750, it is advertised £72 below the AskCar estimate of £20,822. The AskCar estimate draws on 3,488 Audi Q3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 20 days ago. Its asking price has since fallen by £250. The latest MOT recorded 37,587 miles, above the advertised mileage. Check this with the dealer. MOT records show an expiry date of 16 July 2027. It is for sale at PMA Cars NI in Newry. 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: £72 (under 1%) under the AskCar estimate of £20,822.

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 20 days.

Price history

AskCar first saw this advert on 15 October 2026 at £21,000. Its asking price is now £20,750, £250 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 15 October 2026: £21,000
• 29 October 2026: £20,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 16 July 2027.

It has had 6 MOTs. The latest, on 17 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 37,587 miles. The advert says 37,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 13,500 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, orange. Mileage: 39,128 miles. Price: £20,500, £250 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, grey. Mileage: 33,250 miles. Price: £22,150, £1,400 more than this car. Dealer: Group 1 Automotive Stockport Audi in Stockport. AskCar page: https://askcar.co.uk/car/audi-q3-2020-32b7861b1de9
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 42,970 miles. Price: £18,990, £1,760 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, blue, 35 miles from this car. Mileage: 67,771 miles. Price: £18,495, £2,255 less than this car. Dealer: TJ Hamilton Approved in Cookstown. AskCar page: https://askcar.co.uk/car/audi-q3-2020-27eaf97a80bc