The XK120 is a classic sports car produced by the British manufacturer Jaguar from 1948 to 1954. It was designed as a prototype to showcase the company's new XK engine, a 3.4-liter inline-six that offered impressive performance for its time. The XK120 was available in three body styles: roadster, fixed-head coupe, and drophead coupe, appealing to a wide range of car enthusiasts. With a top speed of around 120 mph, the XK120 was one of the fastest production cars of its era. Its sleek design and advanced engineering helped establish Jaguar as a prominent name in the automotive industry, paving the way for future models like the XK140 and XK150.