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: 45,381 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: Blue
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line is advertised with 45,381 miles on the clock. Priced at £16,699, it is advertised £72 below the AskCar estimate of £16,771. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 7 days. Its advertised mileage matches the government's MOT record. The seller is cinch Bellevue, based in Hart. 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: £72 (under 1%) under the AskCar estimate of £16,771.

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 7 days.

Price history

AskCar first saw this advert on 26 October 2026 at £16,449. Its asking price is now £16,699, £250 more.

Price changes recorded:

• 26 October 2026: £16,449
• 27 October 2026: £16,499
• 31 October 2026: £16,699

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 October 2027.

It has had 4 MOTs. The latest, on 23 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,379 miles, which matches the advertised 45,381 miles.

Advertised mileage is about 1,800 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: 44,209 miles. Price: £16,995, £296 more than this car. Dealer: NEO Motor Company in Warrington. AskCar page: https://askcar.co.uk/car/audi-a3-2021-07f3c2be3e11
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 43,527 miles. Price: £18,995, £2,296 more than this car. Dealer: A&H Autos in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2021-63a137b860f6
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 47,365 miles. Price: £16,150, £549 less than this car. Dealer: John Banks Hyundai in Cambridge. AskCar page: https://askcar.co.uk/car/audi-a3-2021-a24c857fb777

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white, 9 miles from this car. Mileage: 80,000 miles. Price: £14,250, £2,449 less than this car. Dealer: JCS Motor Company in Aldershot. AskCar page: https://askcar.co.uk/car/audi-a3-2021-bd0e63088481