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: 55,477 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

At 55,477 miles, this 2020 Audi Q3 S Line has covered about 5,000 more miles than other 2020 Audi Q3 cars. The dealer is asking £17,995, which is £889 below the AskCar estimate of £18,884. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. This car was first seen in our listings data 1 day ago. Its advertised mileage matches the government's MOT record. It is for sale at Sandhaven Car Sales in Durham. 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: £889 (4%) under the AskCar estimate of £18,884.

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 1 day 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 3 November 2026 at £17,995. 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 13 January 2027.

It has had 3 MOTs. The latest, on 14 January 2026, passed.

Advisories at the latest test: offside front vehicle structure is fractured but structural rigidity is not significantly reduced.

Mileage at that test: 46,650 miles, which matches the advertised 55,477 miles.

Advertised mileage is about 5,000 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 54,597 miles. Price: £19,152, £1,157 more than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-q3-2020-773bc8f34a23
• 2020 Audi Q3 S Line, 2.0 diesel SUV, silver. Mileage: 52,958 miles. Price: £21,975, £3,980 more than this car. Dealer: Portland Of Bawtry in Doncaster. AskCar page: https://askcar.co.uk/car/audi-q3-2020-ba6edfd16c6a
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 51,000 miles. Price: £24,495, £6,500 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-q3-2020-37765a3f03e6

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, grey, 6 miles from this car. Mileage: 62,164 miles. Price: £18,000, the same price as this car. Dealer: Stoneacre Durham Toyota in Durham. AskCar page: https://askcar.co.uk/car/audi-q3-2020-b6b2c4cb23b0