2025 Audi A3 1.5 TFSI S Line

Price: £26,998. Fair price: £258 (under 1%) under the AskCar estimate of £27,256, 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: 4,602 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
  • Colour: Grey
  • CO2: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 4,602 miles, this 2025 Audi A3 S Line has covered about 3,900 fewer miles than other 2025 Audi A3 cars. The AskCar estimate for this car is £27,256. It is priced at £26,998, which is £258 below that estimate. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 94 days ago, the asking price has dropped by £2,437. The seller is Stratstone Oldham Audi, based in Oldham. 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: £258 (under 1%) under the AskCar estimate of £27,256.

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 94 days.

Price history

AskCar first saw this advert on 31 July 2026 at £29,435. Its asking price is now £26,998, £2,437 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

  • 31 July 2026: £29,435
  • 10 August 2026: £29,389
  • 21 August 2026: £29,372
  • 29 August 2026: £29,176
  • 6 September 2026: £29,126
  • 17 September 2026: £28,723
  • 25 September 2026: £28,411
  • 1 October 2026: £27,011
  • 12 October 2026: £26,998

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,900 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, black. Mileage: 4,750 miles. Price: £26,990, the same price as this car. Dealer: Stratstone Milton Keynes Audi in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2025-40a826d9059d
  • 2025 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 4,767 miles. Price: £27,482, £484 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2025-5a769acaff7d
  • 2025 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 4,400 miles. Price: £27,250, £252 more than this car. Dealer: Sytner Group Harrogate Audi in Harrogate. AskCar page: https://askcar.co.uk/car/audi-a3-2025-c867b32bb199
  • The nearest: 2025 Audi A3 S Line, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 6,911 miles. Price: £26,524, £474 less than this car. Dealer: Stratstone Oldham Audi in Oldham. AskCar page: https://askcar.co.uk/car/audi-a3-2025-9a8921d247f5

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

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Photos

40 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.