A simple change to 95RON premium unleaded petrol will push the new Mazda CX-5’s ...

How Mercedes and GM took the turbocharged four-cylinder to its current peak.

Without getting into a long-winded dissertation about torque, we're going to suggest that you dig through your old copies of HOT ROD Magazine and familiarize yourself with the relationship between ...

Even BMW and Porsche aren’t making as much power from their comparable engines. Like the larger six-cylinder unit, this model punches above its weight, with six-cylinder levels of power and torque but ...

The use of a dyno to measure horsepower and torque is a valuable tool for the racer. If you use the dyno just to see what kind of torque and horsepower numbers your engine is developing, that may be ...

Smaller engines with fewer cylinders and less displacement could produce more power and torque by turbocharging. A turbo or turbocharger is a forced-induction device that utilizes exhaust gasses to ...

An innovative new combustion engine eliminates half the guts of a traditional engine, and uses a fascinating internally rotating piston and sleeve arrangement, making it lighter, simpler and more ...

There's a common phrase in the automotive sphere: "There's no replacement for displacement." But what does that mean, exactly? Well, an engine's displacement is measured by the volume of the ...

GM’s four-cylinder TurboMax engine has proven to be a solid alternative to old-school V8s—and it’s about to get even better. Next-gen GM pickups to get enhanced TurboMax engine. Four-cylinder mill ...

Bruno started at Top Speed in 2022 and now serves as Senior Editor for ICE while also training writers across CarBuzz, HotCars, and TopSpeed. A car and motorcycle enthusiast, he enjoys writing about ...