2021 Audi A3 1.4 TFSIe S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.4 S Line S tronic FWD Euro 6 5dr
• Year: 2021
• Mileage: 43,527 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.4 litres
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 30 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 43,527 miles. The AskCar estimate for this car is £17,915. It is priced at £18,995, which is £1,080 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 60 days, and its asking price has been cut by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at A&H Autos in Ipswich. 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: £1,080 (6%) over the AskCar estimate of £17,915.

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

The dealer may accept less. This 2021 Audi A3 has been on sale for at least 60 days, and its asking price has been cut by £1,000. 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 3 September 2026 at £19,995. Its asking price is now £18,995, £1,000 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 3 September 2026: £19,995
• 14 October 2026: £18,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 August 2027.

It failed its MOT on 17 August 2026 (engine MIL inoperative or indicates a malfunction) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 43,511 miles, which matches the advertised 43,527 miles.

Advertised mileage is about 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, blue. Mileage: 44,209 miles. Price: £16,995, £2,000 less 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, grey. Mileage: 41,745 miles. Price: £16,995, £2,000 less than this car. Dealer: NEO Motor Company in Warrington. AskCar page: https://askcar.co.uk/car/audi-a3-2021-483213366faa
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 45,381 miles. Price: £16,699, £2,296 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/audi-a3-2021-ebdbd39f3ddb

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, 32 miles from this car. Mileage: 91,000 miles. Price: £12,700, £6,295 less than this car. Dealer: Browns Car Company in Maldon. AskCar page: https://askcar.co.uk/car/audi-a3-2021-907a9251543d