GMC Pickup in chronological order
1978 GMC C1500 Sierra "Amarillo GT"
1978 GMC C2500 Wide-Side Pickup Sierra Classic Pkg. (TC20903)
1978 GMC C3500 Sierra Classic Pickup
1978 GMC Fender-Side Pickup Sierra Classic Desert Fox
1978 GMC K1500 Wide-Side Pickup Sierra Classic Pkg.
1979 GMC C1500 Wide-Side Pickup Sierra Classic
1979 GMC C2500 Wide-Side Pickup Sierra
WheelsAge.org '2005–pr.