2021 Audi A1 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A1
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 34,124 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A1 S Line is advertised with 34,124 miles, approximately 4,800 below the typical mileage for its age. Its asking price of £15,789 is £1,615 below the AskCar estimate of £17,404. The AskCar estimate draws on 4,753 Audi A1 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 58 days ago, and its asking price has since fallen by £1,206. Its advertised mileage matches the government's MOT record. The seller is Brayleys Cars Brayley Renault Milton Keynes, based in Milton Keynes. 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

Good value: £1,615 (9%) under the AskCar estimate of £17,404.

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 4,753 priced Audi A1 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi A1 with the 1.5 petrol engine is typically advertised at £18,000: the median of the 27 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A1 has been on sale for at least 58 days.

Price history

AskCar first saw this advert on 5 September 2026 at £16,995. Its asking price is now £15,789, £1,206 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 5 September 2026: £16,995
• 15 September 2026: £16,689
• 21 October 2026: £15,789

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 March 2027.

It has had 3 MOTs. The latest, on 25 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 31,166 miles, which matches the advertised 34,124 miles.

Advertised mileage is about 4,800 miles lower than the median mileage of a 2021 Audi A1 on AskCar.

Similar cars

12 other 2021 Audi A1 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,275 to £19,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A1 S Line, 1.5 petrol hatchback, white. Mileage: 35,152 miles. Price: £16,668, £879 more than this car. Dealer: Eden Vauxhall Oxford in Oxford. AskCar page: https://askcar.co.uk/car/audi-a1-2021-a85436ffb548
• 2021 Audi A1 S Line, 1.5 petrol hatchback, black. Mileage: 26,000 miles. Price: £17,990, £2,201 more than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/audi-a1-2021-c4a3677daba5
• 2021 Audi A1 S Line, 1.5 petrol hatchback, grey. Mileage: 23,215 miles. Price: £17,995, £2,206 more than this car. Dealer: Auriga Cars in Coal Aston. AskCar page: https://askcar.co.uk/car/audi-a1-2021-b0d1a2458e7d

• The nearest: 2021 Audi A1 S Line, 1.5 petrol hatchback, grey, 3 miles from this car. Mileage: 75,000 miles. Price: £14,950, £839 less than this car. Dealer: J S Exclusive Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a1-2021-f72be216b4cc