GT-R – 2.6 L RB26DETT twin-turbo I6 , 332 PS (244 kW, 392 Nm) (advertised as 276) [24] GT-R V-Spec – Additional aero parts, brake ventilation ducts, diffuser , LSD . GT-R V-Spec II – As above + carbon fibre hood with NACA duct . GT-R N1 – Blueprinted N1 motor, no A/C,