What was the top speed of the fastest automobile in 2015?
0 to 60 mph:  The fastest automobile in 2015 was the Porsche 918 Spyder, which is a hybrid vehicle taking 2.2 seconds to accelerate from 0 to 60. Porsche 918 Spyder:  The car has a top speed of around 340 km/h .
340 km/h