2021 Audi A3 1.5 TFSI
Price: £20,395. Fair price: £103 (under 1%) over the AskCar estimate of £20,292, 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 35 TFSI S tronic FWD Euro 6 5dr (148 bhp)
- Year: 2021
- Mileage: 43,500 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: 137 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2021 Audi A3 is 43,500 miles. Its asking price of £20,395 is £103 above the AskCar estimate of £20,292. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 12 days ago, the asking price has dropped by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Audi Hamilton, based in Hamilton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £103 (under 1%) over the AskCar estimate of £20,292.
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 12 days.
Price history
AskCar first saw this advert on 21 October 2026 at £20,495. Its asking price is now £20,395, £100 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 21 October 2026: £20,495
- 31 October 2026: £20,395
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 November 2026.
It has had 2 MOTs. The latest, on 12 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 34,491 miles, which matches the advertised 43,500 miles.
Advertised mileage is about 100 miles lower 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
34 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.