A few years ago, Mercedes-AMG decided to split its performance compacts into two groups. The A45 S and its brothers were free to be as powerful as possible, pushing past 400 horsepower, while the new ...

German tuning firm Posaidon has unleashed it's versions of the Mercedes-AMG A45 S. As expected, it's based on the current A45 S with the M139 turbocharged four-cylinder motor – the most powerful ...

Compact hatchbacks are still one of the most common types of cars, and many drivers stuck in traffic in a 120 hp example dream of one day going ballistic in the most extreme hatchback on the planet.