2021 Audi A3 1.4 TFSIe S Line
Price: £15,998. Fair price: £328 (2%) over the AskCar estimate of £15,670, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.
AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.4 13kWh TFSIe 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)
- Year: 2021
- Mileage: 59,727 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: 29 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi A3 S Line is advertised with 59,727 miles, approximately 16,500 above the typical mileage for its age. Its asking price of £15,998 is £328 above the AskCar estimate of £15,670. The AskCar estimate uses UK dealer asking prices, including 6,630 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £328 (2%) over the AskCar estimate of £15,670.
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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 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 4 November 2026.
Time on sale
AskCar first saw this 2021 Audi A3 advertised 1 day ago. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 419 of the 741 first advertised between 7 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 3 November 2026 at £15,998. 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 4 July 2027.
It has had 3 MOTs. The latest, on 12 June 2026, passed.
Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 59,374 miles, which matches the advertised 59,727 miles.
Advertised mileage is about 16,500 miles higher than the median mileage of a 2021 Audi A3 on AskCar.
Similar cars
40 other 2021 Audi A3 S Line 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £11,586 to £20,990, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, red. Mileage: 59,972 miles. Price: £14,998, £1,000 less than this car. Dealer: CarSupermarket.com Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-561a65e24122
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 60,144 miles. Price: £14,182, £1,816 less than this car. Dealer: Greenhous Telford in Telford. AskCar page: https://askcar.co.uk/car/audi-a3-2021-43c91c032a95
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 61,000 miles. Price: £15,880, £118 less than this car. Dealer: Motonet.com in Coventry. AskCar page: https://askcar.co.uk/car/audi-a3-2021-518ce2579fe8
- The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, under a mile from this car. Mileage: 50,117 miles. Price: £16,998, £1,000 more than this car. Dealer: Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2021-df9cf06b8b09
Browse all Audi A3 cars for sale · 2021 Audi A3 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.