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: 82,100 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 82,100 miles, approximately 31,700 above the typical mileage for its age. Its asking price of £18,745 is £1,995 above the AskCar estimate of £16,750. To work out the AskCar estimate, we analyse UK dealer adverts for 3,540 Audi Q3 cars across different ages and specifications. This car was first seen in our listings data today. The government's MOT record matches its advertised mileage. You can find this car at Morgan Cars and Commercials in Ballyclare. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,995 (11%) over the AskCar estimate of £16,750.

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 3,540 priced Audi Q3 adverts across different ages and specifications, as of 12 November 2026.

A 2020 Audi Q3 with the 2.0 diesel engine is typically advertised at £19,900: the median of the 131 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2020 Audi Q3 advertised today. About half of 2020 Audi Q3 cars are gone from sale within a month of being advertised: 225 of the 428 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £18,745. 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 12 November 2026: valid until 10 January 2027.

It has had 4 MOTs. The latest, on 5 January 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; front brake disc worn, pitted or scored, but not seriously weakened inner face.

Mileage at that test: 71,860 miles, which matches the advertised 82,100 miles.

Advertised mileage is about 31,700 miles higher than the median mileage of a 2020 Audi Q3 on AskCar.

Similar cars

35 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 12 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 82,699 miles. Price: £14,690, £4,055 less than this car. Dealer: Stratstone Shrewsbury Audi in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-q3-2020-e7f1e33b4f34
• 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 83,712 miles. Price: £16,390, £2,355 less 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, white. Mileage: 79,500 miles. Price: £16,300, £2,445 less than this car. Dealer: Jfm Cars in Woodford Green. AskCar page: https://askcar.co.uk/car/audi-q3-2020-25b6313b3ae7

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, white, under a mile from this car. Mileage: 64,000 miles. Price: £20,945, £2,200 more than this car. Dealer: Morgan Cars and Commercials in Ballyclare. AskCar page: https://askcar.co.uk/car/audi-q3-2020-90ccbafd8b06