The XJS-12’s bonnet covers one of Jaguar’s 5.3-liter High Efficiency 12-cylinder engines, which delivered 263 horsepower here in North America. Back then, the silky-smooth V-12 allowed the XJS ...

Harry Metcalfe drives his 1980 Jaguar XJ-S V12 a thousand miles from England to Monaco for an Octane cover story, proving in the grandest of Eighties style that he's braver (or just more ...