2021 Audi A3 1.4 TFSIe S Line

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: 68,490 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: Black
• CO2: 29 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 68,490 miles on the clock, this 2021 Audi A3 S Line has done roughly 24,900 more miles than a typical 2021 Audi A3. Its asking price of £13,990 is £881 below the AskCar estimate of £14,871. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this advert 6 days ago, and its asking price has since fallen by £410. Its advertised mileage matches the government's MOT record. It is for sale at K Motors London in New Malden. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £881 (5%) under the AskCar estimate of £14,871.

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

AskCar first saw this 2021 Audi A3 advertised 6 days ago. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 403 of the 709 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 27 October 2026 at £14,400. Its asking price is now £13,990, £410 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 27 October 2026: £14,400
• 29 October 2026: £13,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 May 2027.

It has had 3 MOTs. The latest, on 19 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 62,865 miles, which matches the advertised 68,490 miles.

Advertised mileage is about 24,900 miles higher 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, blue. Mileage: 70,000 miles. Price: £14,670, £680 more than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2021-d5df3b2b8315
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 66,689 miles. Price: £15,498, £1,508 more than this car. Dealer: Arnold Clark Wigan Motorstore in Wigan. AskCar page: https://askcar.co.uk/car/audi-a3-2021-574c275d114b
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 72,000 miles. Price: £13,990, the same price as this car. Dealer: Lawson Motor Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2021-5c812e2be478

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white, under a mile from this car. Mileage: 21,000 miles. Price: £20,990, £7,000 more than this car. Dealer: Car Sales in New Malden. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8254f3fd95df