The acceleration is the quickest of any production car I have ever purchased, while the handling is glued to the road and the braking is first rate. But outside of the sports/muscle-car aspects, the biggest improvements are in refinement and features. In short, it is actually a nice to borderline luxurious interior that is comfortable with logical controls and well-laid-out instrument clusters and displays. The seats are essentially perfect, and even things like the steering wheel feel like they were made with optimal comfort in mind. Features like the controllable vehicle modes (Snow-Ice) are a nice plus. Another plus (with the optional dual l model exhaust I have) is that the car makes it clear that it is serious - the only description I have for it is that it snarls like it is angry with a attitude whenever you stomp on it or first fire it up.