2021 Audi A3 1.4 TFSIe S Line

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: 59,972 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: Red
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 59,972 miles, this 2021 Audi A3 S Line has covered about 16,700 more miles than other 2021 Audi A3 cars. Its asking price of £14,998 is £566 below the AskCar estimate of £15,564. The AskCar estimate draws on 6,630 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 58 days ago, the asking price has dropped by £700. We checked its advertised mileage against the government's MOT record, and they match. The seller is CarSupermarket.com Birmingham, based in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £566 (3%) under the AskCar estimate of £15,564.

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

This 2021 Audi A3 has been on sale for at least 58 days.

Price history

AskCar first saw this advert on 7 September 2026 at £15,698. Its asking price is now £14,998, £700 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 7 September 2026: £15,698
• 1 October 2026: £15,598
• 15 October 2026: £15,398
• 23 October 2026: £14,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 24 June 2027.

It has had 3 MOTs. The latest, on 22 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,304 miles, which matches the advertised 59,972 miles.

Advertised mileage is about 16,700 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, black. Mileage: 60,144 miles. Price: £14,182, £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: 59,727 miles. Price: £15,998, £1,000 more than this car. Dealer: Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2021-68a09460449b
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 61,000 miles. Price: £15,880, £882 more 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, grey, 11 miles from this car. Mileage: 110,158 miles. Price: £11,699, £3,299 less than this car. Dealer: Automania Specialist Cars in West Bromwich. AskCar page: https://askcar.co.uk/car/audi-a3-2021-1e72a8dbddea