Ford stopped importing the Pantera to the US in 1975, having sold around 5,500 cars. De Tomaso continued to build the car in ever-escalating forms of performance and luxury for almost two decades for sale in the rest of the world. A small number of cars were imported to the US by gray market importers in the 1980s, notably Panteramerica and AmeriSport. After 1974, Ford discontinued the Cleveland 351 engine, but production continued in Australia until 1982. De Tomaso started sourcing their engines from Australia once the American supplies stopped. These engines were tuned in Switzerland and were available with a range of outputs up to .