2021 Audi A3 1.5 TFSI

Overview

• Make: Audi
• Model: A3
• Version: 1.5 35 TFSI S tronic FWD Euro 6 4dr (148 bhp)
• Year: 2021
• Mileage: 31,397 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 has covered 31,397 miles, around 11,000 fewer miles than is typical for its age. The dealer is asking £20,999, which is £944 below the AskCar estimate of £21,943. To work out the AskCar estimate, we analyse UK dealer adverts for 6,729 Audi A3 cars across different ages and specifications. We first saw this car advertised 9 days ago. Its asking price has since fallen by £1,050. We checked its advertised mileage against the government's MOT record, and they match. The seller is Motorpoint Swansea, based in Swansea. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £944 (4%) under the AskCar estimate of £21,943.

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 6,729 priced Audi A3 adverts across different ages and specifications, as of 6 November 2026.

A 2021 Audi A3 with the 1.5 petrol engine is typically advertised at £18,000: the median of the 200 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 28 October 2026 at £22,049. Its asking price is now £20,999, £1,050 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 28 October 2026: £22,049
• 30 October 2026: £21,049
• 6 November 2026: £20,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 3 September 2027.

It failed its MOT on 2 September 2026 (nearside front anti-roll bar ball joint excessively worn) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 31,314 miles, which matches the advertised 31,397 miles.

Advertised mileage is about 11,000 miles lower than the median mileage of a 2021 Audi A3 on AskCar.