As great as the first E55 AMG was, it was only the beginning. For the next generation model, AMG equipped the engine with a 2.1-liter Lysholm-type supercharger, which boosted it to 469 hp and 516 ...

You might think BMW had done a pretty good job of killing off the Mercedes E55 AMG when it launched the deeply wonderful BMW M5 last month. With 507bhp, it eclipses the mere 476bhp of the E55.