MODEL DESIGNATION CHART 1988 89 CATALOG VIN COMB TOTAL MODEL CODE USAGE USAGE SERIES BODY STYLE VIN WM37 1 WM W GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WM1 WM37 W Z7K 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WJ1 WM37 W Z7L 1 GRAND PRIX LE 2 DR NOTCHBACK COUPE 1G2WK1 WM37 W Z7M 1 GRAND PRIX SE 2 DR NOTCHBACK COUPE 1G2WP1 WM37 W Z7M 1 GRAND PRIX SE 2 DR NOTCHBACK COUPE 1G5WP1 1990 CATALOG VIN COMB TOTAL MODEL CODE USAGE USAGE SERIES BODY STYLE VIN WM19 5 WM W GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WM5 WM19 W Z7K 5 GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WJ5 WM19 W Z7N 5 GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WT5 WM37 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WM1 WM37 W Z7M 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WP1 A WM37 W Z7K 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WJ1 1991 CATALOG VIN COMB TOTAL MODEL CODE USAGE USAGE SERIES BODY STYLE VIN WM19 W Z7K 5 WM W GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WJ5 WM19 W Z7L 5 GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WH5 WM19 W Z7N 5 GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WT5 WM37 W Z7M 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WP1 WM37 W Z7K 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WJ1 1992 1993 CATALOG VIN COMB TOTAL MODEL CODE USAGE USAEE SERIES BODY STYLE VIN WM19 5 WM W GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WM5 WM19 W Z7K 5 GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WJ5 WM19 W Z7L 5 GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WH5 WM19 W Z7N 5 GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WT5 WM37 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WM1 WM37 W Z7M 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WP1 WM37 W Z7K 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WJ1 1994 CATALOG VIN COMB TOTAL MODEL CODE USAGE USAGE SERIES BODY STYLE VIN WM19 5 WM W GRAND PRIX 4 DR NOTCHBACK SEDAN 1G2WM5 WM19 W Z7K 5 GRAND PRIX SE 4 DR NOTCHBACK SEDAN 1G2WJ5 WM37 1 GRAND PRIX 2 DR NOTCHBACK COUPE 1G2WM1 WM37 W Z7K 1 GRAND PRIX SE 2 DR NOTCHBACK COUPE 1G2WJ1 T 1993 GENERAL MOTORS SERVICE PARTS OPERATIOMS PONTIAC 25W 6 93 11