Uprated brakes, five-speed ʼboxes and rack-and-pinion steering are typical options, but not all upgrades are tasteful. It is now possible to buy a Jaguar XK with more wood and leather than a theme pub ...

An unusual mix, for Mercedes-Benz, of double-wishbone front and multi-link rear suspension, with rack-and-pinion steering, meant that the new E-Class, champion of luxury and refinement, also mustered ...