2025 Audi A3 1.5 TFSI S Line

Price: £23,250. Fair price: £645 (2%) under the AskCar estimate of £23,895, 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 Manual FWD Euro 6 (s/s) 5dr Sportback
  • Year: 2025
  • Mileage: 12,412 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 134 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 12,412 miles on the clock, this 2025 Audi A3 S Line has done roughly 3,900 more miles than a typical 2025 Audi A3. Priced at £23,250, it is advertised £645 below the AskCar estimate of £23,895. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 32 days ago. Its asking price has since fallen by £1,200. The seller is Mon Motors Bristol Audi, based in Bristol. 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: £645 (2%) under the AskCar estimate of £23,895.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £24,450. Its asking price is now £23,250, £1,200 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 1 October 2026: £24,450
  • 9 October 2026: £24,400
  • 23 October 2026: £23,900
  • 30 October 2026: £23,250

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,900 miles higher than the median mileage of a 2025 Audi A3 on AskCar.

Similar cars

22 other 2025 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £21,950 to £40,950, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2025 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 14,172 miles. Price: £24,299, £1,049 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a3-2025-c218695612dd
  • 2025 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 10,565 miles. Price: £25,990, £2,740 more than this car. Dealer: Stratstone Milton Keynes Audi in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2025-2a116732790b
  • 2025 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 10,259 miles. Price: £25,499, £2,249 more than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2025-5edd2317eb8a
  • The nearest: 2025 Audi A3 S Line, 1.5 petrol hatchback, black, 38 miles from this car. Mileage: 8,000 miles. Price: £25,874, £2,624 more than this car. Dealer: Vertu Audi Hereford in Hereford. AskCar page: https://askcar.co.uk/car/audi-a3-2025-fa58c3d6a269

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

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Photos

38 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.