2018 marks the 50th year of production for Jaguar's iconic XJ-series sedan. Introduced in 1968, the XJ's innovative aluminum monocoque chassis, independent rear suspension, and eventual V12 marked it as one of the first sports sedans in the world. Jaguar continues that philosophy, commemorating the anniversary with the limited-edition XJ50. The XJ50 features exclusive front and rear bumpers and 20-inch wheels, with illuminated treadplates and a white diamond-stitched interior. A choice of supercharged three-liter V6 or five-liter V8 engines are offered, paying homage to the performance roots of the original.