2020 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr (147 bhp)
• Year: 2020
• Mileage: 33,614 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 33,614 miles, this 2020 Audi Q3 S Line has covered about 16,900 fewer miles than other 2020 Audi Q3 cars. The dealer is asking £19,251, which is £1,242 below the AskCar estimate of £20,493. To work out the AskCar estimate, we analyse UK dealer adverts for 3,525 Audi Q3 cars across different ages and specifications. It first appeared in our advert records 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Sinclair Volkswagen (Swansea), based in Swansea. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,242 (6%) under the AskCar estimate of £20,493.

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 3,525 priced Audi Q3 adverts across different ages and specifications, as of 6 November 2026.

A 2020 Audi Q3 with the 2.0 diesel engine is typically advertised at £20,000: the median of the 129 for sale on AskCar, as of 6 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: 210 of the 404 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £19,251. 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 6 November 2026: valid until 20 February 2027.

It has had 5 MOTs. The latest, on 26 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,653 miles, which matches the advertised 33,614 miles.

Advertised mileage is about 16,900 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 6 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 33,250 miles. Price: £22,150, £2,899 more than this car. Dealer: Group 1 Automotive Stockport Audi in Stockport. AskCar page: https://askcar.co.uk/car/audi-q3-2020-32b7861b1de9
• 2020 Audi Q3 S Line, 2.0 diesel SUV, white. Mileage: 37,000 miles. Price: £20,750, £1,499 more than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/audi-q3-2020-bf7d7ad61ee8
• 2020 Audi Q3 S Line, 2.0 diesel SUV, orange. Mileage: 39,128 miles. Price: £20,500, £1,249 more than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-q3-2020-17e39e12a2a7

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, black, 93 miles from this car. Mileage: 82,699 miles. Price: £14,690, £4,561 less than this car. Dealer: Stratstone Shrewsbury Audi in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-q3-2020-e7f1e33b4f34