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: 27,470 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

With 27,470 miles on the clock, this 2021 Audi A3 S Line has done roughly 15,800 fewer miles than a typical 2021 Audi A3. Priced at £16,995, it is advertised £1,576 below the AskCar estimate of £18,571. The AskCar estimate draws on 6,630 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is V12 Sports & Classics Ltd - Hinckley, based in Hinckley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Good value: £1,576 (8%) under the AskCar estimate of £18,571.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

AskCar first saw this 2021 Audi A3 advertised today. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 419 of the 741 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 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 4 November 2026: valid until 2 November 2027.

It has had 4 MOTs. The latest, on 3 November 2026, passed.

Advisories at the latest test: tyre worn close to legal limit/worn on edge both fronts on 4 mm.

Mileage at that test: 27,450 miles, which matches the advertised 27,470 miles.

Advertised mileage is about 15,800 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

40 other 2021 Audi A3 S Line 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £11,586 to £20,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 27,471 miles. Price: £18,195, £1,200 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2021-05a4f7e60e48
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 28,832 miles. Price: £19,499, £2,504 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, black. Mileage: 28,867 miles. Price: £17,450, £455 more than this car. Dealer: Stratstone Oldham Audi in Oldham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-29d40e2a526d

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey, 8 miles from this car. Mileage: 61,000 miles. Price: £15,880, £1,115 less than this car. Dealer: Motonet.com in Coventry. AskCar page: https://askcar.co.uk/car/audi-a3-2021-518ce2579fe8