2021 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 79,584 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 79,584 miles on the clock, this 2021 Audi A3 S Line has done roughly 36,000 more miles than a typical 2021 Audi A3. Priced at £14,999, it is advertised £1,889 above the AskCar estimate of £13,110. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 123 days, and its asking price is down £500. Its advertised mileage matches the government's MOT record. It is advertised by Empressive Motor Company in Merthyr Tydfil. 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

Above the going rate: £1,889 (14%) over the AskCar estimate of £13,110.

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 1.5 petrol engine is typically advertised at £18,000: the median of the 191 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A3 has been on sale for at least 123 days, and its asking price has been cut by £500. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 403 of the 709 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 2 July 2026 at £15,499. Its asking price is now £14,999, £500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 2 July 2026: £15,499
• 24 October 2026: £14,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 June 2027.

It failed its MOT on 22 June 2026 (nearside front headlamp aim too low; nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; nearside rear tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 79,105 miles, which matches the advertised 79,584 miles.

Advertised mileage is about 36,000 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

20 other 2021 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £12,895 to £18,490, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 84,920 miles. Price: £12,895, £2,104 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/audi-a3-2021-c65172f88ab9
• 2021 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 71,881 miles. Price: £14,495, £504 less than this car. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8d006f3aef1a
• 2021 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 63,297 miles. Price: £15,499, £500 more than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/audi-a3-2021-76d67551a08b