Porsche 918 Spyder an auto show world awash with electric and hybrid concepts, Porsche’s 918 trumps them all with four driving modes and performance potential rivaling the spectacular Carrera GT’s. The heart of the matter is a 500-plus-hp, 3.4-liter V-8, augmented by a trio of electric motors. Production is confirmed for the Geneva showstopper. So is a very high sticker.
