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: 43,750 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 has covered 43,750 miles, around 6,700 fewer miles than is typical for its age. The AskCar estimate for this car is £21,433. It is priced at £22,395, which is £962 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. We have tracked this advert for 5 days. The government's MOT record matches its advertised mileage. You can find this car at Specialist Carz in Ruislip. 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: £962 (4%) over the AskCar estimate of £21,433.

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

AskCar first saw this 2020 Audi Q3 advertised 5 days ago. 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 30 October 2026 at £22,395. 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 4 November 2026: valid until 19 October 2027.

It failed its MOT on 15 October 2026 (front windscreen washer not working both washers not working; offside front tyre has ply or cords exposed) and passed 1 day later, on 16 October 2026.

Advisories at the latest test: offside front brake disc worn, pitted or scored, but not seriously weakened; nearside front brake disc worn, pitted or scored, but not seriously weakened; offside rear tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 43,631 miles, which matches the advertised 43,750 miles.

Advertised mileage is about 6,700 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, black. Mileage: 43,022 miles. Price: £19,893, £2,502 less than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-q3-2020-f5fa0833b3d3
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 42,970 miles. Price: £18,990, £3,405 less than this car. Dealer: ProSportsCars in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-q3-2020-4f340246f64a
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 45,979 miles. Price: £18,998, £3,397 less than this car. Dealer: Arnold Clark Linwood Volkswagen in Linwood. AskCar page: https://askcar.co.uk/car/audi-q3-2020-f699a7196cdf

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, white, 7 miles from this car. Mileage: 72,701 miles. Price: £16,900, £5,495 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-q3-2020-00061d19cc4a