New for 2013, the Corvette 427 Convertible is the fastest and most-capable convertible in Corvettes history. Its heart is the 427-cubic-inch (7.0L) LS7 engine from the Corvette Z06. Rated at 505 horsepower (377 kW) and 470 lb.-ft. of torque (637 Nm), it is the most powerful engine ever installed in
