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) 5dr Sportback (148 bhp)
• Year: 2025
• Mileage: 13,829 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 13,829 miles, this 2025 Audi A3 S Line has covered about 5,400 more miles than other 2025 Audi A3 cars. The AskCar estimate for this car is £25,598. It is priced at £26,366, which is £768 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £659. The seller is Lookers Audi Guildford, based in Guildford. 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: £768 (3%) over the AskCar estimate of £25,598.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £27,025. Its asking price is now £26,366, £659 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 1 October 2026: £27,025
• 2 October 2026: £27,298
• 10 October 2026: £27,448
• 14 October 2026: £27,069
• 22 October 2026: £26,680
• 30 October 2026: £26,825
• 2 November 2026: £26,366

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,400 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: 13,797 miles. Price: £26,490, £124 more than this car. Dealer: Stratstone Milton Keynes Audi in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2025-9f48aa8430bd
• 2025 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 13,699 miles. Price: £26,094, £272 less than this car. Dealer: cinch in Bexley. AskCar page: https://askcar.co.uk/car/audi-a3-2025-afe7388d4f6f
• 2025 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 14,015 miles. Price: £25,950, £416 less than this car. Dealer: Stratstone Hitchin Audi in Hitchin. AskCar page: https://askcar.co.uk/car/audi-a3-2025-6158e46becb9

• The nearest: 2025 Audi A3 S Line, 1.5 petrol hatchback, blue, 10 miles from this car. Mileage: 5,860 miles. Price: £27,859, £1,493 more than this car. Dealer: Drift Bridge Walton Audi in Walton-on-Thames. AskCar page: https://askcar.co.uk/car/audi-a3-2025-b04ade70afb3