2025 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2025
• Mileage: 20,693 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 20,693 miles on the clock, this 2025 Audi A3 S Line has done roughly 11,700 more miles than a typical 2025 Audi A3. The dealer is asking £23,450, which is £134 above the AskCar estimate of £23,316. To work out the AskCar estimate, we analyse UK dealer adverts for 6,620 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 1 day ago. It is for sale at JC Halliday and Sons in Londonderry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £134 (under 1%) over the AskCar estimate of £23,316.

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 6,620 priced Audi A3 adverts across different ages and specifications, as of 8 November 2026.

A 2025 Audi A3 with the 1.5 petrol engine is typically advertised at £26,600: the median of the 448 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2025 Audi A3 advertised 1 day ago. About 4 in 10 of 2025 Audi A3 cars are gone from sale within a month of being advertised: 276 of the 675 first advertised between 8 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £23,450. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 11,700 miles higher than the median mileage of a 2025 Audi A3 on AskCar.

Similar cars

23 other 2025 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £21,495 to £40,950, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2025 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 18,666 miles. Price: £23,999, £549 more than this car. Dealer: Perrys Chesterfield Ford in Chesterfield. AskCar page: https://askcar.co.uk/car/audi-a3-2025-a5e6e854cb2f
• 2025 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 25,494 miles. Price: £23,299, £151 less than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a3-2025-0e1db2d75aa9
• 2025 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 14,172 miles. Price: £23,999, £549 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a3-2025-c218695612dd

• The nearest: 2025 Audi A3 S Line, 1.5 petrol hatchback, white, 123 miles from this car. Price: £40,950, £17,500 more than this car. Dealer: Van Mossel Jacksons in Isle of Whithorn. AskCar page: https://askcar.co.uk/car/audi-a3-2025-a9b7214d5f8c