A lot of folk announced that Jaguar's sport series which started to be known well and were affordable could be XK series. XK 120 in the year 1948, followed up by XK 140 in 1955, and became XK 150 in 1957. They used quite modern engines that their competitors had not known. Modernization, streamline that made a massive positive result on sport automobiles drivers, curved doors, and roadsters were the genuine style of sport cars.
Jaguar made its reputation in the Le Mans race course by a car that had been showed in 1954, D-Type, which was 3.4liters, 245 h.p... The primary production was considered very fast. Moreover, it was empowered by making it 270 h.p. For racing, and that made it three-years-in-a-row champion in 1955-1957. There would not be anyone that would not wish the dignity of Le Mans' championship sport automobiles which later was extended to 3.8liters, 306 horsepower. It competed in US and made so big result on sport autos guru that made a newer model to drive in a street.