2021 Audi Q3 1.5 S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (148 bhp)
• Year: 2021
• Mileage: 36,618 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q3 S Line has covered 36,618 miles, around 5,400 fewer miles than is typical for its age. Its asking price of £20,299 is £914 below the AskCar estimate of £21,213. To work out the AskCar estimate, we analyse UK dealer adverts for 3,432 Audi Q3 cars across different ages and specifications. We first saw this car advertised 43 days ago. Its asking price has since fallen by £696. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Hendy Car Store Portsmouth, based in Portsmouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £914 (4%) under the AskCar estimate of £21,213.

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 3,432 priced Audi Q3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 211 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi Q3 has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 20 September 2026 at £20,995. Its asking price is now £20,299, £696 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 20 September 2026: £20,995
• 8 October 2026: £20,895
• 9 October 2026: £20,799
• 20 October 2026: £20,599
• 21 October 2026: £20,399
• 30 October 2026: £20,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 May 2027.

It has had 3 MOTs. The latest, on 27 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,523 miles, which matches the advertised 36,618 miles.

Advertised mileage is about 5,400 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.

Similar cars

4 other 2021 Audi Q3 S Line 1.5 petrol automatic estates are for sale at UK dealers, from £18,995 to £21,684, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q3 S Line, 1.5 petrol estate, black. Mileage: 37,532 miles. Price: £18,995, £1,304 less than this car. Dealer: LSH Auto Mercedes-Benz of Stockport in Stockport. AskCar page: https://askcar.co.uk/car/audi-q3-2021-0cae1dff83a2
• 2021 Audi Q3 S Line, 1.5 petrol estate, grey. Mileage: 34,626 miles. Price: £21,500, £1,201 more than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/audi-q3-2021-ffec11506fcb
• 2021 Audi Q3 S Line, 1.5 petrol estate, black. Mileage: 34,500 miles. Price: £21,684, £1,385 more than this car. Dealer: Vindis Group Peterborough Audi in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q3-2021-d4c5a68ce7c2

• The nearest: 2021 Audi Q3 S Line, 1.5 petrol estate, blue, 59 miles from this car. Mileage: 50,747 miles. Price: £21,000, £701 more than this car. Dealer: The Great Automobiles in Penge. AskCar page: https://askcar.co.uk/car/audi-q3-2021-e630daf11216