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: 112,782 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

With 112,782 miles on the clock, this 2021 Audi A3 S Line has done roughly 70,200 more miles than a typical 2021 Audi A3. The dealer is asking £12,250, which is £1,512 above the AskCar estimate of £10,738. To work out the AskCar estimate, we analyse UK dealer adverts for 6,645 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 62 days. Its advertised mileage matches the government's MOT record. It is advertised by Fleet Sales in Cosby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,512 (14%) over the AskCar estimate of £10,738.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2021 Audi A3 with the 1.0 petrol engine is typically advertised at £15,000: the median of the 91 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A3 has been on sale for at least 62 days. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 426 of the 756 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 September 2026 at £11,888. Its asking price is now £12,250, £362 more.

Price changes recorded:

• 4 September 2026: £11,888
• 6 September 2026: £12,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 22 July 2027.

It has had 3 MOTs. The latest, on 21 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 111,122 miles, which matches the advertised 112,782 miles.

Advertised mileage is about 70,200 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

11 other 2021 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £13,500 to £19,000, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol hatchback, blue. Mileage: 85,000 miles. Price: £13,500, £1,250 more than this car. Dealer: Cobham Automotive in Cobham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-ddbc0e182f5f
• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 65,000 miles. Price: £15,999, £3,749 more than this car. Dealer: Sapphire Motors in London. AskCar page: https://askcar.co.uk/car/audi-a3-2021-78aa477c26d9
• 2021 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 60,000 miles. Price: £16,495, £4,245 more than this car. Dealer: Lewis Motors Direct in Aberystwyth. AskCar page: https://askcar.co.uk/car/audi-a3-2021-52a7375026f7

• The nearest: 2021 Audi A3 S Line, 1.0 petrol hatchback, grey, 22 miles from this car. Mileage: 31,955 miles. Price: £17,699, £5,449 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2021-02008e4d49d3