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: 23,219 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: Blue
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 23,219 miles on the clock, this 2021 Audi A3 Sport has done roughly 20,400 fewer miles than a typical 2021 Audi A3. Its asking price of £18,738 is £169 above the AskCar estimate of £18,569. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 73 days ago. Our latest MOT record expired on 17 September 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Days HaverfordWest, based in Haverfordwest. 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: £169 (under 1%) over the AskCar estimate of £18,569.

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 73 days.

Price history

AskCar first saw this advert on 21 August 2026 at £18,738. 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 2 November 2026: the latest record we hold ran out on 17 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 20 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 16,921 miles, which matches the advertised 23,219 miles.

Advertised mileage is about 20,400 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 £18,485, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 Sport, 1.5 petrol hatchback, silver. Mileage: 23,681 miles. Price: £18,485, £253 less 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: 31,000 miles. Price: £17,695, £1,043 less 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, red. Mileage: 34,458 miles. Price: £16,892, £1,846 less than this car. Dealer: Stellantis &You Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2021-6ac8489b2348

• The nearest: 2021 Audi A3 Sport, 1.5 petrol hatchback, silver, 166 miles from this car. Mileage: 53,000 miles. Price: £15,995, £2,743 less than this car. Dealer: Poolfoot Car Centre in Fleetwood. AskCar page: https://askcar.co.uk/car/audi-a3-2021-32db5168e6c8