2025 Audi A3 1.5 TFSI S Line

Price: £25,088. Fair price: £902 (3%) under the AskCar estimate of £25,990, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.

AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: 1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2025
  • Mileage: 12,020 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 123 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 12,020 miles on the clock, this 2025 Audi A3 S Line has done roughly 3,600 more miles than a typical 2025 Audi A3. Its asking price of £25,088 is £902 below the AskCar estimate of £25,990. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 41 days ago, the asking price has dropped by £912. It is advertised by JCT600 Hull Audi in Hessle. 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: £902 (3%) under the AskCar estimate of £25,990.

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 2025 Audi A3 with the 1.5 petrol engine is typically advertised at £26,800: the median of the 472 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2025 Audi A3 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 22 September 2026 at £26,000. Its asking price is now £25,088, £912 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 23 September 2026: £26,000
  • 29 September 2026: £25,848
  • 4 October 2026: £26,342
  • 6 October 2026: £25,778
  • 16 October 2026: £25,325
  • 30 October 2026: £25,088

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,600 miles higher than the median mileage of a 2025 Audi A3 on AskCar.

Similar cars

38 other 2025 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £19,990 to £31,461, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2025 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 13,041 miles. Price: £24,695, £393 less than this car. Dealer: Sere Used Car Supermarket Lisburn in Lisburn. AskCar page: https://askcar.co.uk/car/audi-a3-2025-50a756722942
  • 2025 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 10,684 miles. Price: £26,089, £1,001 more than this car. Dealer: cinch in London. AskCar page: https://askcar.co.uk/car/audi-a3-2025-350fd97bf8e1
  • 2025 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 10,632 miles. Price: £26,035, £947 more than this car. Dealer: Vertu Skoda Derby in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2025-03f7b4acad44
  • The nearest: 2025 Audi A3 S Line, 1.5 petrol saloon, blue, 20 miles from this car. Mileage: 23,892 miles. Price: £24,407, £681 less than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2025-d290f7146f85

Browse all Audi A3 cars for sale · 2025 Audi A3 price guide

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Photos

41 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.