USERSLOT However, under pressure from American law enforcement authorities, Jaguar was forced to muzzle the lovely exhaust note on its tuned engine from a roar to a relative purr. A changing market hastened the XK-140's replacement, which debuted in mid-1957 as the XK-150. This final variation on Sir William's stunning original design theme was Jaguar's direct reply to cars like the BMW 507 and the Mercedes-Benz 300SL, which offered similar performance and roadability while better catering to the growing American demand for more refinement and comfort.|Pada Bulan Oktober Tahun yang Sama