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: 75,871 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: 29 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 75,871 miles, around 32,300 more miles than is typical for its age. Its asking price of £16,990 is £2,882 above the AskCar estimate of £14,108. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 37 days ago. Our latest MOT record expired on 7 June 2025. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Formula One Car Supermarket in Falkirk. 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

Above the going rate: £2,882 (20%) over the AskCar estimate of £14,108.

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 37 days.

Price history

AskCar first saw this advert on 26 September 2026 at £16,990. Its asking price has not changed.

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 7 June 2025; ask the dealer for the current MOT.

It has had one MOT, on 22 May 2024, and passed.

Advisories at the latest test: tyre pressure warning illuminated.

Mileage at that test: 74,509 miles, which matches the advertised 75,871 miles.

Advertised mileage is about 32,300 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, grey. Mileage: 77,000 miles. Price: £14,394, £2,596 less than this car. Dealer: Parkway Commercials in Feltham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-98944c3d942f
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 74,116 miles. Price: £13,999, £2,991 less than this car. Dealer: Croyland Car Megastore in Rushden. AskCar page: https://askcar.co.uk/car/audi-a3-2021-dbca3296ae3c
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 72,284 miles. Price: £14,899, £2,091 less than this car. Dealer: cinch in Harrogate. AskCar page: https://askcar.co.uk/car/audi-a3-2021-18db6b04599a