2021 Audi S3 2.0 TFSI
Price: £22,998. Fair price: £3 (under 1%) over the AskCar estimate of £22,995, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,006 priced Audi S3 adverts on AskCar as of 4 November 2026.
AskCar lists 1,033 used Audi S3 from 638 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: S3
- Version: 2.0 TFSI S tronic 4WD Euro 6 (s/s) 4dr (306 bhp)
- Year: 2021
- Mileage: 70,566 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 306 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: White
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi S3 is advertised with 70,566 miles, approximately 25,900 above the typical mileage for its age. The dealer is asking £22,998, which is £3 above the AskCar estimate of £22,995. To work out the AskCar estimate, we analyse UK dealer adverts for 1,006 Audi S3 cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 86 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Preston Motorstore / BYD, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £3 (under 1%) over the AskCar estimate of £22,995.
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
This 2021 Audi S3 has been on sale for at least 86 days.
Price history
AskCar first saw this advert on 10 August 2026 at £23,998. Its asking price is now £22,998, £1,000 less. The latest price cut was seen on 13 October 2026.
Price changes recorded:
- 10 August 2026: £23,998
- 13 October 2026: £22,998
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 16 March 2027.
It failed its MOT on 11 March 2026 (offside rear inner tyre has ply or cords exposed damage to inner tyre side wall area marked in yellow chalk) and passed 6 days later, on 17 March 2026.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge tyre wearing inside edge; oil leak, but not excessive; front wipers smearing screen not effecting view of the road; and 1 more.
Mileage at that test: 63,732 miles, which matches the advertised 70,566 miles.
Advertised mileage is about 25,900 miles higher than the median mileage of a 2021 Audi S3 on AskCar.
Browse all Audi S3 cars for sale · 2021 Audi S3 price guide
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Photos
20 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.