1950 Jaguar XK FacebookTweetPin 1950 Jaguar XK Convertible. In January 1950 Johnson scored this sports car’s first competition success in America, winning the production class in a race at Palm Beach Shores, Florida with the car that had finished second at Silverstone. FacebookTweetPin Related Before it was a Mustang it was a Cougar 1959 Aston Martin DB4 GT Widest Beetle in Europe – Oettinger 1973 1961 Jaguar E-Type 1940 Ford Convertible Alfa Romeo 6C 2500 SS Villa d’Este