356 Roadster - Dream Cars Model: 356 ROADSTER Displacement cu in (cc): 78 (1290) Power bhp (kW) at RPM: 59 (44) 4200 Max Torque Speed Nm: 117 Nm Redline at RPM: 3700 Top Speed mph (kmh): 90 (144) 0 -- 62.1 mph: 13.