2025 Audi A3 1.5 TFSI S Line

Price: £29,461. Above the going rate: £3,258 (12%) over the AskCar estimate of £26,203, 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: 10,129 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

This 2025 Audi A3 S Line is advertised with 10,129 miles on the clock. The dealer is asking £29,461, which is £3,258 above the AskCar estimate of £26,203. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 96 days ago. It is for sale at Listers Birmingham Audi in Solihull. 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: £3,258 (12%) over the AskCar estimate of £26,203.

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 96 days.

Price history

AskCar first saw this advert on 29 July 2026 at £30,961. Its asking price is now £29,461, £1,500 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 29 July 2026: £30,961
  • 27 August 2026: £29,961
  • 12 September 2026: £29,985
  • 21 October 2026: £29,461

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,700 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, grey. Mileage: 10,213 miles. Price: £25,450, £4,011 less than this car. Dealer: Sytner Group North Wales Audi in Conwy. AskCar page: https://askcar.co.uk/car/audi-a3-2025-9d7f70410c2b
  • 2025 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 10,023 miles. Price: £24,900, £4,561 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2025-3d741867c55a
  • 2025 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 9,998 miles. Price: £26,775, £2,686 less than this car. Dealer: Heritage Audi in Salisbury. AskCar page: https://askcar.co.uk/car/audi-a3-2025-519f334291ad
  • The nearest: 2025 Audi A3 S Line, 1.5 petrol saloon, black, under a mile from this car. Mileage: 6,249 miles. Price: £27,461, £2,000 less than this car. Dealer: Listers Birmingham Audi in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2025-a77c723dfd7a

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

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Photos

27 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.