Top 10 Most Powerful Sedans

3. Rolls-Royce Ghost V-Specification - 593 HP

Into the realm of uber-luxury, the Rolls-Royce Ghost V-Specification was announced earlier this year with 593 hp and 575 lb-ft of torque. That’s 30 hp more than the standard Ghost. Under the hood is a massive 6.6-liter V12 twin-turbo engine that allows the Ghost V-Specification to hit 0-60 in 4.7 seconds. No pricing or fuel economy figure has been announced for the Ghost V-Spec yet.