2021 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 30 TFSI S Line S tronic FWD Euro 6 4dr (108 bhp)
• Year: 2021
• Mileage: 39,230 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 120 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 39,230 miles, this 2021 Audi A3 S Line has covered about 4,400 fewer miles than other 2021 Audi A3 cars. The AskCar estimate for this car is £17,451. It is priced at £17,599, which is £148 above that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 11 days ago. Its advertised mileage matches the government's MOT record. The seller is Fords Of Winsford Car Supermarket, based in Winsford. 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: £148 (under 1%) over the AskCar estimate of £17,451.

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 11 days.

Price history

AskCar first saw this advert on 22 October 2026 at £16,999. Its asking price is now £17,599, £600 more.

Price changes recorded:

• 22 October 2026: £16,999
• 23 October 2026: £17,599

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 14 December 2026.

It has had 2 MOTs. The latest, on 15 December 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge close to legal limit 3mm and worn inner edge; offside front tyre worn close to legal limit/worn on edge close to legal limit 3mm, worn inner edge and cracking; nearside rear shock absorbers has light misting of oil; and 1 more.

Mileage at that test: 32,087 miles, which matches the advertised 39,230 miles.

Advertised mileage is about 4,400 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

5 other 2021 Audi A3 S Line 1.0 petrol automatic saloons are for sale at UK dealers, from £16,190 to £19,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 40,230 miles. Price: £17,150, £449 less than this car. Dealer: Group 1 Automotive Chingford Audi in Chingford. AskCar page: https://askcar.co.uk/car/audi-a3-2021-7c523805809a
• 2021 Audi A3 S Line, 1.0 petrol saloon, black. Mileage: 43,783 miles. Price: £16,640, £959 less than this car. Dealer: Days Motorpark Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2021-9f61b144cbb9
• 2021 Audi A3 S Line, 1.0 petrol saloon, yellow. Mileage: 46,404 miles. Price: £16,190, £1,409 less than this car. Dealer: Sidegate Motors in Great Yarmouth. AskCar page: https://askcar.co.uk/car/audi-a3-2021-d94355ab1498