2021 Audi A3 1.4 TFSIe S Line
Price: £18,195. Fair price: £220 (1%) under the AskCar estimate of £18,415, 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
- Trim: S Line
- Version: 1.4 40 TFSI e S Line S tronic FWD Euro 6 5dr (201 bhp)
- Year: 2021
- Mileage: 27,471 miles
- Fuel: Plug-in hybrid (petrol)
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.4 litres, 201 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 26 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 27,471 miles on the clock, this 2021 Audi A3 S Line has done roughly 16,100 fewer miles than a typical 2021 Audi A3. The AskCar estimate for this car is £18,415. It is priced at £18,195, which is £220 below that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 24 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Motor Range Liverpool in Bootle. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £220 (1%) under the AskCar estimate of £18,415.
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 1.4 plug-in hybrid engine is typically advertised at £15,900: the median of the 77 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2021 Audi A3 has been on sale for at least 24 days.
Price history
AskCar first saw this advert on 9 October 2026 at £18,195. 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 2 November 2026: valid until 22 June 2027.
It has had 3 MOTs. The latest, on 11 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 26,977 miles, which matches the advertised 27,471 miles.
Advertised mileage is about 16,100 miles lower than the median mileage of a 2021 Audi A3 on AskCar.
Similar cars
41 other 2021 Audi A3 S Line 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £11,600 to £20,990, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 28,832 miles. Price: £19,499, £1,304 more than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2021-bcc22a4d6b55
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 25,314 miles. Price: £17,499, £696 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2021-cc91a8c644fd
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 30,252 miles. Price: £18,290, £95 more than this car. Dealer: Sinclair Audi Approved Neyland in Neyland. AskCar page: https://askcar.co.uk/car/audi-a3-2021-d9bd29995a53
- The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black, 14 miles from this car. Mileage: 66,689 miles. Price: £15,498, £2,697 less than this car. Dealer: Arnold Clark Wigan Motorstore in Wigan. AskCar page: https://askcar.co.uk/car/audi-a3-2021-574c275d114b
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
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Photos
1 photo of this car is 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.