provides acoustic insulation performance equal to that of a retractable hardtop and is retractable in 13.5 seconds up to a speed of 60 km / h . Occupant comfort is ensured by a refined mobile wind deflector system integrated in the rear seatback and patented by the Maranello company . Thanks to its twin-turbocharged 620 hp V8 , class-leading power-to-weight ratio , the introduction of the 8- speed DCT gearbox and the adoption of the Ferrari Roma ' s vehicle dynamics systems , the Ferrari Roma Spider represents a unique blend of timeless class , driving thrills , comfort and performance .