Ducati’s V4 engine used in the Panigale V4 R is a masterpiece of engineering. It’s one of the highest power-per-liter naturally-aspirated engines in any form of street going vehicles, and ...

Before the inline-four became the go-to default engine and the V6 was compact enough to fit into small engine bays, the four-wheeled automotive world saw the V4 as a brilliant compromise. It was ...