2020 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 TDI 35 S Line Manual 4WD Euro 6 (s/s) 5dr (148 bhp)
• Year: 2020
• Mileage: 31,100 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Manual
• Drive: Four-wheel drive
• Colour: White
• CO2: 149 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi Q3 S Line has covered 31,100 miles, around 19,400 fewer miles than is typical for its age. Priced at £18,490, it is advertised £785 below the AskCar estimate of £19,275. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 160 days, and its asking price has been cut by £990. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at S James Prestige in Stamford. 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: £785 (4%) under the AskCar estimate of £19,275.

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

The dealer may accept less. This 2020 Audi Q3 has been on sale for at least 160 days, and its asking price has been cut by £990. About half of 2020 Audi Q3 cars are gone from sale within a month of being advertised: 201 of the 387 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £19,480. Its asking price is now £18,490, £990 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 29 May 2026: £19,480
• 16 June 2026: £19,450
• 6 August 2026: £19,250
• 29 October 2026: £18,990
• 30 October 2026: £19,990
• 1 November 2026: £18,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 April 2027.

It has had 6 MOTs. The latest, on 30 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,720 miles, which matches the advertised 31,100 miles.

Advertised mileage is about 19,400 miles lower than the median mileage of a 2020 Audi Q3 on AskCar.

Similar cars

5 other 2020 Audi Q3 S Line 2.0 diesel manual SUVs are for sale at UK dealers, from £16,520 to £17,949, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 35,492 miles. Price: £17,949, £541 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q3-2020-c6703aa08e35
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 38,741 miles. Price: £16,990, £1,500 less than this car. Dealer: Motor Match Crewe in Crewe. AskCar page: https://askcar.co.uk/car/audi-q3-2020-6ff66f40b462
• 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 51,209 miles. Price: £16,520, £1,970 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-q3-2020-1024ca8825e1