2021 Audi Q3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr 35 (147 bhp)
• Year: 2021
• Mileage: 50,315 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q3 S Line is advertised with 50,315 miles, approximately 8,200 above the typical mileage for its age. The dealer is asking £16,999, which is £819 below the AskCar estimate of £17,818. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. We first recorded this advert 25 days ago, and its asking price has since fallen by £900. Its advertised mileage matches the government's MOT record. It is for sale at cinch in Harlow. 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: £819 (4%) under the AskCar estimate of £17,818.

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 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 213 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Audi Q3 has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £17,899. Its asking price is now £16,999, £900 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 10 October 2026: £17,899
• 15 October 2026: £17,499
• 23 October 2026: £17,399
• 30 October 2026: £16,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 31 January 2027.

It has had 3 MOTs. The latest, on 21 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,610 miles, which matches the advertised 50,315 miles.

Advertised mileage is about 8,200 miles higher than the median mileage of a 2021 Audi Q3 on AskCar.

Similar cars

31 other 2021 Audi Q3 S Line 1.5 petrol manual SUVs are for sale at UK dealers, from £11,950 to £24,140, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 50,500 miles. Price: £19,999, £3,000 more than this car. Dealer: Motorland 2008 in Walsall. AskCar page: https://askcar.co.uk/car/audi-q3-2021-79e1045114c6
• 2021 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 53,338 miles. Price: £18,498, £1,499 more than this car. Dealer: Arnold Clark Dumfries Renault / Dacia in Dumfries. AskCar page: https://askcar.co.uk/car/audi-q3-2021-c2f3fbefeef0
• 2021 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 54,001 miles. Price: £19,891, £2,892 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-q3-2021-6438cc9cfa4f

• The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, white, 9 miles from this car. Mileage: 20,251 miles. Price: £18,660, £1,661 more than this car. Dealer: Sonny Adams Motor Company in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/audi-q3-2021-d3c52dc07b0b