2021 Audi A3 1.5 TFSI Sport

Overview

• Make: Audi
• Model: A3
• Trim: Sport
• Version: 1.5 TFSI 35 Sport S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 34,458 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Red
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 34,458 miles, this 2021 Audi A3 Sport has covered about 9,100 fewer miles than other 2021 Audi A3 cars. Its asking price of £16,892 is £715 below the AskCar estimate of £17,607. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The asking price is now £224 lower than when we first recorded the advert 22 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stellantis &You Sheffield, based in Sheffield. 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: £715 (4%) under the AskCar estimate of £17,607.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi A3 with the 1.5 petrol engine is typically advertised at £18,000: the median of the 191 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 11 October 2026 at £17,116. Its asking price is now £16,892, £224 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 11 October 2026: £17,116
• 17 October 2026: £17,066
• 18 October 2026: £17,016
• 19 October 2026: £16,989
• 20 October 2026: £16,987
• 21 October 2026: £16,966
• 23 October 2026: £16,936
• 24 October 2026: £16,921
• 26 October 2026: £16,903
• 27 October 2026: £16,907
• 28 October 2026: £16,898
• 29 October 2026: £16,904
• 1 November 2026: £16,887
• 2 November 2026: £16,892

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 June 2027.

It has had 4 MOTs. The latest, on 11 May 2026, passed.

Advisories at the latest test: front brakes imbalanced requirements only just met. it would appear that the braking system requires adjustment or repair; offside front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 30,194 miles, which matches the advertised 34,458 miles.

Advertised mileage is about 9,100 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

7 other 2021 Audi A3 Sport 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £12,750 to £18,738, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 Sport, 1.5 petrol hatchback, blue. Mileage: 31,000 miles. Price: £17,695, £803 more than this car. Dealer: Group 1 Automotive Audi Harold Wood in Harold Wood. AskCar page: https://askcar.co.uk/car/audi-a3-2021-c1e85c2e0db9
• 2021 Audi A3 Sport, 1.5 petrol hatchback, silver. Mileage: 23,681 miles. Price: £18,485, £1,593 more than this car. Dealer: SERE Motors Belfast in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2021-862bfebc41c7
• 2021 Audi A3 Sport, 1.5 petrol hatchback, blue. Mileage: 23,219 miles. Price: £18,738, £1,846 more than this car. Dealer: Days HaverfordWest in Haverfordwest. AskCar page: https://askcar.co.uk/car/audi-a3-2021-4e5c78c4d9f6

• The nearest: 2021 Audi A3 Sport, 1.5 petrol hatchback, white, 25 miles from this car. Mileage: 77,000 miles. Price: £13,750, £3,142 less than this car. Dealer: AWB Motors Dukinfield in Dukinfield. AskCar page: https://askcar.co.uk/car/audi-a3-2021-90a3d70ad9dd