Equipped with very clever all-wheel-drive systems, both the Audi and Merc are crazy powerful ... with the M division's ...

However, sedans are not entirely fading away just yet. Especially when you look at the full-size luxury sedans on sale, ...

An RS version is incoming, and if the S5 is the platform from which Audi launches the new RS model, it ought to be good. In science, the theory of convergent evolution is when multiple species ...