R34 GTR V-Spec = Standard GTR with firmer suspension, lower ride height, two extra readings on the Multi Function Display (MFD), which were, Intake and Exhaust Gas Temperatures, front and rear diffuser under the car.
R34 GTR V-Spec II = As of above with even more firmer suspension, larger rear brake rotors, carbon fibre bonnet with NACA Duct and clear indicator lenses.