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: 30,252 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 30,252 miles on the clock, this 2021 Audi A3 S Line has done roughly 13,300 fewer miles than a typical 2021 Audi A3. The AskCar estimate for this car is £18,535. It is priced at £18,290, which is £245 below that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 40 days ago, the asking price has dropped by £500. The recorded MOT expired on 15 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sinclair Audi Approved Neyland, based in Neyland. 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: £245 (1%) under the AskCar estimate of £18,535.

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 40 days.

Price history

AskCar first saw this advert on 23 September 2026 at £18,790. Its asking price is now £18,290, £500 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 23 September 2026: £18,790
• 6 October 2026: £18,490
• 21 October 2026: £18,390
• 1 November 2026: £18,290

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 15 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 16 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,495 miles, which matches the advertised 30,252 miles.

Advertised mileage is about 13,300 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, white. Mileage: 28,832 miles. Price: £19,499, £1,209 more than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2021-bcc22a4d6b55
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 31,877 miles. Price: £17,999, £291 less than this car. Dealer: Lookers Audi Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e5569474843e
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 27,471 miles. Price: £18,195, £95 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2021-05a4f7e60e48

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey, 96 miles from this car. Mileage: 18,021 miles. Price: £18,500, £210 more than this car. Dealer: Turners Of Roborough in Plymouth. AskCar page: https://askcar.co.uk/car/audi-a3-2021-80e3483c4d8f