2025 Audi A3 1.5 TFSI S Line

Price: £26,295. Fair price: £424 (1%) under the AskCar estimate of £26,719, 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: 7,899 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
  • CO2: 122 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Audi A3 S Line is advertised with 7,899 miles on the clock. The dealer is asking £26,295, which is £424 below the AskCar estimate of £26,719. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 80 days ago. Its asking price has since fallen by £1,655. You can find this car 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: £424 (1%) under the AskCar estimate of £26,719.

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 80 days.

Price history

AskCar first saw this advert on 14 August 2026 at £27,950. Its asking price is now £26,295, £1,655 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 14 August 2026: £27,950
  • 12 September 2026: £27,475
  • 22 September 2026: £27,225
  • 1 October 2026: £26,595
  • 22 October 2026: £26,295

Mileage and MOT

Advertised mileage is about 600 miles lower 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: 7,899 miles. Price: £26,295, the same price as this car. Dealer: Heritage Audi Audi Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-13aa77d2536a
  • 2025 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 7,808 miles. Price: £26,991, £696 more than this car. Dealer: Listers Audi Coventry in Coventry. AskCar page: https://askcar.co.uk/car/audi-a3-2025-1aa438066005
  • 2025 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 8,439 miles. Price: £26,695, £400 more than this car. Dealer: Group 1 Automotive Hatfield Audi in Hatfield. AskCar page: https://askcar.co.uk/car/audi-a3-2025-beeddc67cfe0

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

More like this

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.