Which AMG delivers the better acceleration and sound experience — the naturally aspirated V8 of the C63 AMG, or the twin-turbo V6 of the C43 AMG / C450 AMG? In this side-by-side Autobahn test, ...

I was in a Porsche 997 Turbo S. Confident. Focused. Flat-out. Then a C63 AMG appeared. And it absolutely humiliated me. The sound, the speed, the brutal torque—this thing came out of nowhere and left ...