2021 Audi S3 2.0 TFSI

Overview

• Make: Audi
• Model: S3
• Version: 2.0 TFSI S tronic 4WD Euro 6 (s/s) 5dr (306 bhp)
• Year: 2021
• Mileage: 43,664 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 306 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 184 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi S3 has covered 43,664 miles. The AskCar estimate for this car is £26,539. It is priced at £24,991, which is £1,548 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,006 Audi S3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 6 days. The government's MOT record matches its advertised mileage. You can find this car at Cars of Penarth Road in Cardiff. 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: £1,548 (5%) under the AskCar estimate of £26,539.

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 1,006 priced Audi S3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi S3 with the 2.0 petrol engine is typically advertised at £25,700: the median of the 44 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 Audi S3 advertised 6 days ago. About half of 2021 Audi S3 cars are gone from sale within a month of being advertised: 23 of the 51 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 29 October 2026 at £24,991. 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 4 November 2026: valid until 1 April 2027.

It failed its MOT on 1 April 2026 (offside front inner brake pad(s) worn down to wear indicator; central front windscreen damaged but not adversely affecting driver's view chips in screen) and passed 1 day later, on 2 April 2026.

Advisories at the latest test: central front windscreen damaged but not adversely affecting driver's view chips in screen.

Mileage at that test: 38,934 miles, which matches the advertised 43,664 miles.

Advertised mileage is about 1,000 miles lower than the median mileage of a 2021 Audi S3 on AskCar.