GMC Auto in ordine cronologico

1977 GMC C1500 Wide-Side Pickup Sierra Classic

 

1977 GMC C1500 Wide-Side Sierra Classic Indy 500 Official Truck

 

• Indy 500 Official Car

1977 GMC C2500 Wide-Side Pickup Sierra Classic "Sarge"

 

 

• Limited and special editions

1977 GMC Sprint Custom Sedan-Pickup (5AD80)

 

 

1978 GMC C1500 Sierra "Amarillo GT"

 

 

 

1978 GMC C2500 Wide-Side Pickup Sierra Classic Pkg. (TC20903)

1978 GMC C3500 Sierra Classic Pickup