2025 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2025
• Mileage: 9,000 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: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2025 Audi A3 S Line is 9,000 miles. Its asking price of £26,086 is £245 below the AskCar estimate of £26,331. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 25 days ago. Its asking price has since fallen by £807. The seller is Lookers Audi Basingstoke, based in Basingstoke. 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: £245 (under 1%) under the AskCar estimate of £26,331.

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 25 days.

Price history

AskCar first saw this advert on 8 October 2026 at £26,893. Its asking price is now £26,086, £807 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 8 October 2026: £26,893
• 18 October 2026: £26,733
• 24 October 2026: £26,350
• 2 November 2026: £26,086

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 500 miles higher 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, grey. Mileage: 8,973 miles. Price: £26,969, £883 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2025-7151625a4de0
• 2025 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 9,393 miles. Price: £26,499, £413 more than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/audi-a3-2025-84827eae0a88
• 2025 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 9,436 miles. Price: £25,950, £136 less than this car. Dealer: Heritage Audi in Salisbury. AskCar page: https://askcar.co.uk/car/audi-a3-2025-09ca11f71f1f

• The nearest: 2025 Audi A3 S Line, 1.5 petrol hatchback, grey, 10 miles from this car. Mileage: 11,932 miles. Price: £27,000, £914 more than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a3-2025-819afd8a9757