2021 Audi A3 1.5 TFSI
Price: £20,150. Fair price: £446 (2%) over the AskCar estimate of £19,704, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.
AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A3
- Version: 1.5 TFSI 35 S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
- Year: 2021
- Mileage: 49,767 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
With 49,767 miles on the clock, this 2021 Audi A3 has done roughly 6,200 more miles than a typical 2021 Audi A3. The dealer is asking £20,150, which is £446 above the AskCar estimate of £19,704. 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 £1,350 lower than when we first recorded the advert 73 days ago. Our latest MOT record expired on 30 September 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. The seller is Sytner Select Northampton, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £446 (2%) over the AskCar estimate of £19,704.
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 £21,500. Its asking price is now £20,150, £1,350 less. The latest price cut was seen on 22 October 2026.
Price changes recorded:
- 21 August 2026: £21,500
- 22 October 2026: £20,150
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 30 September 2026; ask the dealer for the current MOT.
It has had 2 MOTs. The latest, on 24 September 2025, passed.
Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 45,976 miles, which matches the advertised 49,767 miles.
Advertised mileage is about 6,200 miles higher than the median mileage of a 2021 Audi A3 on AskCar.
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
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Photos
9 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.