2021 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
• Year: 2021
• Mileage: 15,710 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 15,710 miles, this 2021 Audi A3 S Line has covered about 27,900 fewer miles than other 2021 Audi A3 cars. Priced at £18,895, it is advertised £191 below the AskCar estimate of £19,086. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 33 days ago, the asking price has dropped by £700. Our latest MOT record expired on 28 October 2026. 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 for sale at Motor Trust Haslingden in Rossendale. 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: £191 (1%) under the AskCar estimate of £19,086.

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 1.0 petrol engine is typically advertised at £15,000: the median of the 87 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 30 September 2026 at £19,595. Its asking price is now £18,895, £700 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 30 September 2026: £19,595
• 7 October 2026: £19,095
• 23 October 2026: £18,995
• 26 October 2026: £18,895

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 28 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 28 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 13,055 miles, which matches the advertised 15,710 miles.

Advertised mileage is about 27,900 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

9 other 2021 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £15,999 to £19,000, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 23,955 miles. Price: £18,070, £825 less than this car. Dealer: Big Motoring World Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2021-6999117dd5f4
• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 25,845 miles. Price: £17,210, £1,685 less than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2021-591fade98d83
• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 27,780 miles. Price: £19,000, £105 more than this car. Dealer: Junction Autopark Llandudno in Llandudno. AskCar page: https://askcar.co.uk/car/audi-a3-2021-cbc692b9664c

• The nearest: 2021 Audi A3 S Line, 1.0 petrol hatchback, blue, 18 miles from this car. Mileage: 31,948 miles. Price: £17,290, £1,605 less than this car. Dealer: Williams Select in Old Trafford. AskCar page: https://askcar.co.uk/car/audi-a3-2021-944b6d50be9c