The Porsche 718 Cayman GT4 RS is the pinnacle of Porsche Cayman, packing the 911 GT3's 4.0L boxer 6-cylinder engine, with nearly 500 horsepower. The naturally aspirated engine revs to 9,000 RPM, while ...

How Porsche perfected turbochargers: the Porsche 911 Turbo did it first! Variable geometry turbos were first used on diesel engines, starting in 1997. But it took nearly a decade to get them fitted to ...

Three hybrid family SUVs battle it out in a fight for fuel-sipping supremacy. Which ...