**Sensors.Heated seats.Satellite Navigation.Climate.Cruise**The 2025 Audi A3 TFSI S line represents refined engineering with the sporty S line trim. Under the bonnet, it is powered by a 1.5 litre petrol engine that meets Euro 6 emission standards, aligning with modern environmental requirements for urban and motorway driving. This model stands out for its efficiency, offering a fuel economy of 52 mpg which helps to reduce running costs during daily commutes and longer journeys. Furthermore, the vehicle is designed with low CO2 emissions, making it a practical choice for those who are conscious of their environmental impact. By balancing performance with these economical credentials, the Audi A3 provides a sensible yet engaging driving experience that compares favourably with other vehicles in its class.