2025 Audi A3 1.5 TFSI S Line

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: 6,801 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: White
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Audi A3 S Line is advertised with 6,801 miles on the clock. Its asking price of £26,495 is £490 below the AskCar estimate of £26,985. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 81 days ago. Its asking price has since fallen by £2,455. The seller is Heritage Audi Audi Swindon, based 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: £490 (1%) under the AskCar estimate of £26,985.

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 81 days.

Price history

AskCar first saw this advert on 13 August 2026 at £28,950. Its asking price is now £26,495, £2,455 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 13 August 2026: £28,950
• 12 September 2026: £28,475
• 22 September 2026: £27,975
• 1 October 2026: £26,995
• 22 October 2026: £26,495

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,700 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. Mileage: 6,801 miles. Price: £26,495, the same price as this car. Dealer: Heritage Automotive in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-9b3ec8292a06
• 2025 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 7,000 miles. Price: £19,990, £6,505 less than this car. Dealer: Lux Performance in Halifax. AskCar page: https://askcar.co.uk/car/audi-a3-2025-41d6cdc94620
• 2025 Audi A3 S Line, 1.5 petrol saloon. Mileage: 7,076 miles. Price: £26,595, £100 more than this car. Dealer: Heritage Automotive in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-45721649c9b3

• The nearest: 2025 Audi A3 S Line, 1.5 petrol saloon, white, under a mile from this car. Mileage: 7,899 miles. Price: £26,295, £200 less than this car. Dealer: Heritage Audi Audi Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-13aa77d2536a