The new Audi A3 enters the compact premium hatchback segment with a sharp exterior, a refined interior, and a focus on technology. In this review, What Car? puts it head-to-head with its key rival, the BMW 1 Series, to see which is the better buy. The A3 offers a high-quality cabin with excellent fit and finish, along with a user-friendly infotainment system. It also provides a comfortable ride and a range of efficient petrol and diesel engines. However, the 1 Series counters with rear-wheel-drive handling that makes it more engaging to drive. This detailed comparison covers practicality, running costs, performance, and driving dynamics, helping you decide if the Audi A3 is the right choice for you.