An incredibly loud BMW F10 M5 jumped on the dyno over in the European Auto Source garage, to show the world that HP changes coming from your exhaust system are not a myth. Just a few years back, the ...

As you know, hp rating is a bit more complex than it seems and thus each time a carmaker releases a new performance model, the world wants to find out how many horses it actually offers. This time we ...

Manufacturer figures on vehicle performance are not always accurate. That’s why many road test editors prefer to verify the numbers on their own. Some of them even go as far as dyno-testing to see not ...

BMW claims its new 2014 F80 M3 and F82 M4 produce a robust 425 horsepower and 406 lb-ft of torque at the crank. It turns out the Germans are being a bit modest with those figures, a point which was ...