Porsche for GTA 4, page 53 0 Porsche 718 PSI 0 Porsche 718 PSI S1 0 Porsche 718 PSI S2 0 Porsche 718 PSI S3 0 Porsche 718 PSI S5 0 Porsche 718 PSI S4 0 Porsche 718 PSI S6 0 Porsche 718 PSI S7 0 Porsche 718 PSI S8 0 Porsche 718 PSI S9 0 Porsche 718 PSI S10 0 Porsche 911 GS-S 0 Porsche 911 GS-S S1 0 Porsche 911 GS-S S2 0 Porsche 911 GS-S S3 0 Porsche 911 GS-S S4 0 Porsche 911 GS-S S5 0 Porsche 911 GS-S S6