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: 51,189 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

This 2020 Audi Q3 S Line has covered 51,189 miles. The AskCar estimate for this car is £19,190. It is priced at £17,998, which is £1,192 below that estimate. The AskCar estimate uses 3,467 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. It is advertised by CarSupermarket.com Sutton Fields Recon Centre in East Riding of Yorkshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,192 (6%) under the AskCar estimate of £19,190.

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 3,467 priced Audi Q3 adverts across different ages and specifications, as of 10 November 2026.

A 2020 Audi Q3 with the 2.0 diesel engine is typically advertised at £20,000: the median of the 128 for sale on AskCar, as of 10 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: 223 of the 422 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £17,998. 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 10 November 2026: valid until 30 October 2027.

It has had 6 MOTs. The latest, on 23 October 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 50,499 miles, which matches the advertised 51,189 miles.

Advertised mileage is about 800 miles higher 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 10 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 51,000 miles. Price: £24,495, £6,497 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-q3-2020-37765a3f03e6
• 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 50,464 miles. Price: £18,490, £492 more than this car. Dealer: Car City UK Catterick in Catterick. AskCar page: https://askcar.co.uk/car/audi-q3-2020-ff1af3f36d7e
• 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 50,145 miles. Price: £18,998, £1,000 more than this car. Dealer: Lookers Audi Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-q3-2020-ab771e3dec19

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 54,597 miles. Price: £19,152, £1,154 more than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-q3-2020-773bc8f34a23