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: 85,000 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: Blue
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 85,000 miles on the clock, this 2021 Audi A3 S Line has done roughly 42,400 more miles than a typical 2021 Audi A3. Priced at £13,500, it is advertised £513 above the AskCar estimate of £12,987. The AskCar estimate draws on 6,645 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Cobham Automotive, based in Cobham. 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

Fair price: £513 (3%) over the AskCar estimate of £12,987.

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

AskCar first saw this 2021 Audi A3 advertised today. 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 5 November 2026 at £13,500. 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 5 November 2026: valid until 28 June 2027.

It has had 3 MOTs. The latest, on 29 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 84,024 miles, which matches the advertised 85,000 miles.

Advertised mileage is about 42,400 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 £12,250 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, white. Mileage: 65,000 miles. Price: £15,999, £2,499 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, £2,995 more than this car. Dealer: Lewis Motors Direct in Aberystwyth. AskCar page: https://askcar.co.uk/car/audi-a3-2021-52a7375026f7
• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 112,782 miles. Price: £12,250, £1,250 less than this car. Dealer: Fleet Sales in Leicester. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8610c7a08322