GMC models, 1981
- Aluminum Tilt
- Bus Chassis
- C/K Pickup
- C5
- C6
- C7
- Caballero
- Forward Control
- Heavy Conventional
- Hi-Cube
- Jimmy Utility
- Motorhome Chassis
- P Truck Forward
- Rally
- S15 Utility
- Suburban
- Value Van
- Vandura
Other years
GMC VIN decoder
Manufacturer codes
GMC vehicles are built under these codes. What the first three characters of a VIN mean.