Mercedes-Benz has produced AMG versions of its C-Class sedan ever since the W202 in the 90s, when AMG was still an independent tuning company for the German automaker. In 1999, Mercedes took a ...

The fully adaptive A604 4-speed electronic transaxle has more than 50 U.S. patents. As with a closed-loop engine, this "feedback" trans can self-adapt to changing conditions, resulting in improved ...

The rate at which horsepower has increased over the past three decades has been breathtaking. The V-8 engine’s efficiency has been on a volcanic upswing to the point that 1,000 hp is now the new 500 ...

The latter car is the one we shook down for this report—and we’ve already published its performance numbers in our long-term Arrival story linked directly above. We’re calling out those numbers here ...

There was a time when American road racing was louder than politics. The late 1960s had turned the Sports Car Club of America’s Trans-American Sedan Championship—Trans Am, for short—into a battlefield ...