BMW's new M5 prompted controversy, with its switch to a potent - and heavy - plug-in hybrid drivetrain. But does heft detract ...

Although the Bavarian sedan is a bit porky, the 370-kilogram lighter RS 7 Performance didn't stand a chance against BMW's ...

While the new BMW M5 is as much of a powerhouse as ever, if you play the used market correctly, you could have Ferrari's ...