2025 Audi A3 1.5 TFSI S Line

Price: £27,995. Fair price: £650 (2%) over the AskCar estimate of £27,345, 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) 5dr Sportback (148 bhp)
  • Year: 2025
  • Mileage: 3,500 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 3,500 miles, this 2025 Audi A3 S Line has covered about 5,000 fewer miles than other 2025 Audi A3 cars. The dealer is asking £27,995, which is £650 above the AskCar estimate of £27,345. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 57 days ago. It is for sale at Heritage Automotive in Swindon. 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: £650 (2%) over the AskCar estimate of £27,345.

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 57 days.

Price history

AskCar first saw this advert on 6 September 2026 at £27,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 5,000 miles lower than the median mileage of a 2025 Audi A3 on AskCar.

Similar cars

104 other 2025 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £19,795 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: 3,500 miles. Price: £27,995, the same price as this car. Dealer: Heritage Audi Audi Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-d0dc1acb0425
  • 2025 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 3,535 miles. Price: £27,199, £796 less than this car. Dealer: cinch in Plymouth. AskCar page: https://askcar.co.uk/car/audi-a3-2025-8d9349a7a094
  • 2025 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 3,681 miles. Price: £26,999, £996 less than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2025-ae941eafedb4

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

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Photos

43 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.