Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Power rating: 26.8 kW (36 hp) at 1,500 rpm Displacement: 4.07 L (248.25 cu. in.) Bore and Stroke: 114 mm (4.5 in.) x ...

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

Explore the revolutionary MV Agusta 5-Cylinder Quadrato engine, a unique concept with a compact design and innovative ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Having lived with a four-cylinder Mercedes 240D and a five-cylinder 300D, I can tell you that the extra cylinder makes a huge difference getting up to highway speed at the end of an on-ramp.