Parts Codes and CatalogsPorsche 928 (MY 1987-1991) – Part Catalog Spare Parts Catalog (Porsche PET) for the Porsche 928
Equipment and Option CodesPorsche 928 (MY 1990) – Equipment & Options Codes Full list of Equipment & Option Codes Decoder for the 1990 Porsche 928
Porsche 928Porsche 928 GT (1989 – 1991) In 1989, 928 buyers had the choice between the S4 or the GT, a better-equipped, manual-only car.
Porsche 928Porsche 928 S4 (1987 – 1991) The 928 S4 variant debuted as a 1987 model with an updated 5.0 L V8 for all markets