2021 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 120,530 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 120,530 miles on the clock, this 2021 Audi A3 S Line has done roughly 76,900 more miles than a typical 2021 Audi A3. Priced at £11,995, it is advertised £1,111 above the AskCar estimate of £10,884. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 13 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. 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 2 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,111 (10%) over the AskCar estimate of £10,884.

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 1.5 petrol engine is typically advertised at £18,000: the median of the 191 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £11,995. 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 6 October 2027.

It failed its MOT on 6 October 2026 (nearside front suspension arm pin or bush excessively worn) and passed 1 day later, on 7 October 2026.

There were no advisories at the latest test.

Mileage at that test: 120,520 miles, which matches the advertised 120,530 miles.

Advertised mileage is about 76,900 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

49 other 2021 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £11,990 to £21,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 111,668 miles. Price: £11,990, the same price as this car. Dealer: Group 1 Assured Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2021-7c559fe71ea8
• 2021 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 108,000 miles. Price: £13,290, £1,295 more than this car. Dealer: Motor Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2021-1ac13350ca25
• 2021 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 71,439 miles. Price: £15,690, £3,695 more than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8ee864ddeba4

• The nearest: 2021 Audi A3 S Line, 1.5 petrol hatchback, grey, 11 miles from this car. Mileage: 31,894 miles. Price: £20,750, £8,755 more than this car. Dealer: Sytner Group Leicester Audi in Leicester. AskCar page: https://askcar.co.uk/car/audi-a3-2021-f9136d8c47ea