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: 41,745 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: Grey
• CO2: 29 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 41,745 miles. The AskCar estimate for this car is £17,426. It is priced at £16,995, which is £431 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 41 days ago. Its advertised mileage matches the government's MOT record. You can find this car at NEO Motor Company in Warrington. 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: £431 (2%) under the AskCar estimate of £17,426.

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 41 days.

Price history

AskCar first saw this advert on 22 September 2026 at £16,995. 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: valid until 20 September 2027.

It has had 4 MOTs. The latest, on 2 September 2026, passed.

Advisories at the latest test: trays and covers fitted.

Mileage at that test: 41,771 miles, which matches the advertised 41,745 miles.

Advertised mileage is about 1,900 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, black. Mileage: 40,093 miles. Price: £16,997, the same price as this car. Dealer: Bell Truck and Van. AskCar page: https://askcar.co.uk/car/audi-a3-2021-524c7420a31b
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 43,527 miles. Price: £18,995, £2,000 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, blue. Mileage: 39,628 miles. Price: £16,799, £196 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2021-b311307ea622

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, under a mile from this car. Mileage: 44,209 miles. Price: £16,995, the same price as this car. Dealer: NEO Motor Company in Warrington. AskCar page: https://askcar.co.uk/car/audi-a3-2021-07f3c2be3e11