The CS is faster than all of its rivals against the stopwatch, however, with BMW quoting a 0-62mph time of 3sec dead, four-tenths ahead of the AMG, and three-tenths quicker than the M5 Competition.

The new BMW M5 is set for an imminent unveiling after numerous teasers, leaks and spy photos, and the German brand has ...

Where the Mercedes counters is in torque output – its additional 1100cc of capacity means its 590lb ft comfortably out punches the BMW ... E63 AMG S has some 75kg less than the M5 to haul ...