Truck Van and 4WD expressed the base Amarillo option collection would run $450, but there was also an Amarillo GT and an even wilder Amarillo Cowboy Cadillac model. Truckin press expressed the Amarillo GT collection cost $2300 more than the $5261 base value of a GMC truck.
Regardless of whether one was steering the Amarillo, the Amarillo GT with its fantastic side tubes or the Cowboy Cadillac model, the truck’s 454-cubic-inch V-8 was uprated from 205 horsepower to a beefy 240. Baking implement try-out one that tore through the quarter-mile in 15.6 seconds fast for a truck in 1979. Truck-fan websites present discussion if this truck really existed or if it was a distinctive impression that presses try-out but that never quite made production.