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: 34,626 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q3 S Line has covered 34,626 miles, around 7,400 fewer miles than is typical for its age. The dealer is asking £21,500, which is £64 above the AskCar estimate of £21,436. To work out the AskCar estimate, we analyse UK dealer adverts for 3,432 Audi Q3 cars across different ages and specifications. We first recorded this advert 95 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall BMW Scunthorpe, based in Scunthorpe. 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: £64 (under 1%) over the AskCar estimate of £21,436.

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 95 days.

Price history

AskCar first saw this advert on 30 July 2026 at £22,500. Its asking price is now £21,500, £1,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 30 July 2026: £22,500
• 21 August 2026: £21,800
• 28 August 2026: £21,600
• 5 September 2026: £21,400
• 12 September 2026: £21,300
• 17 September 2026: £21,100
• 30 September 2026: £20,620
• 8 October 2026: £22,000
• 9 October 2026: £21,700
• 16 October 2026: £21,900
• 23 October 2026: £21,500
• 27 October 2026: £21,400
• 30 October 2026: £21,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 March 2027.

It has had 3 MOTs. The latest, on 4 March 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; rear brake disc worn, pitted or scored, but not seriously weakened partially corroded.

Mileage at that test: 32,204 miles, which matches the advertised 34,626 miles.

Advertised mileage is about 7,400 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: 34,500 miles. Price: £21,684, £184 more than this car. Dealer: Vindis Group Peterborough Audi in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q3-2021-d4c5a68ce7c2
• 2021 Audi Q3 S Line, 1.5 petrol estate, black. Mileage: 36,618 miles. Price: £20,299, £1,201 less than this car. Dealer: Hendy Car Store Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/audi-q3-2021-bf2dd1df0841
• 2021 Audi Q3 S Line, 1.5 petrol estate, black. Mileage: 37,532 miles. Price: £18,995, £2,505 less than this car. Dealer: LSH Auto Mercedes-Benz of Stockport in Stockport. AskCar page: https://askcar.co.uk/car/audi-q3-2021-0cae1dff83a2