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: 21,000 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 21,000 miles, around 29,500 fewer miles than is typical for its age. The dealer is asking £24,000, which is £1,559 above the AskCar estimate of £22,441. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 160 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Car Central, based in Birmingham. 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: £1,559 (6%) over the AskCar estimate of £22,441.

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

The dealer may accept less. This 2020 Audi Q3 has been on sale for at least 160 days. 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 28 May 2026 at £24,000. 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 4 December 2026.

It has had 3 MOTs. The latest, on 5 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 20,209 miles, which matches the advertised 21,000 miles.

Advertised mileage is about 29,500 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, grey. Mileage: 33,250 miles. Price: £22,150, £1,850 less 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, £3,250 less 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, £3,500 less 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, grey, 13 miles from this car. Mileage: 83,712 miles. Price: £16,450, £7,550 less than this car. Dealer: Stratstone Tamworth Audi in Tamworth. AskCar page: https://askcar.co.uk/car/audi-q3-2020-11c652e5e3e3