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: 51,374 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: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 51,374 miles, around 7,800 more miles than is typical for its age. Its asking price of £15,900 is £340 below the AskCar estimate of £16,240. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 18 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Yeovil Audi in Poole. 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: £340 (2%) under the AskCar estimate of £16,240.

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 18 days.

Price history

AskCar first saw this advert on 15 October 2026 at £16,900. Its asking price is now £15,900, £1,000 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 15 October 2026: £16,900
• 30 October 2026: £15,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 3 June 2027.

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

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 46,951 miles, which matches the advertised 51,374 miles.

Advertised mileage is about 7,800 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: 50,117 miles. Price: £16,998, £1,098 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
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 49,167 miles. Price: £15,920, the same price as this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2021-ff9dbf454fa3
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 48,762 miles. Price: £16,099, £199 more than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/audi-a3-2021-13560cc575c4

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, 56 miles from this car. Mileage: 21,341 miles. Price: £17,842, £1,942 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e48aecdc86db