Mercedes-AMG is now admitting what many of us suspected all along: the four-cylinder, plug-in hybrid C63 hasn’t lived up to ...

An independent dyno has figures way higher than expected, and some basic math suggests 1,064 horsepower is just the average.

The Chevrolet Corvette ZR1 was the most powerful 'Vette before the ZR1X came to life. However, how much horsepower does it really have?

Each engine manufactured by HMIL is placed in a Cold Bed Engine Testing station, where an electric motor rotates the ...

Meet the classic car enthusiast who claims his 68-year-old classic car is more reliable than many modern vehicles - and has ...