You'd think a turbocharged performance SUV would be a no-brainer for the American market, but Audi doesn't see it that way.

Previously known as the next A7, the new-gen Audi A6 is expected to debut in a few months and should look similar to this ...

The Q4 e-tron 55 is the more-expensive version, and – like the base 45 rear-wheel drive – the 55 is offered in two body styles: a boxy and more-family orientated SUV wagon and racier Sportback. Taking ...