There’s not a lot to see here, performance fans – even the quickest Cactus, the PureTech 110 with a manual gearbox, takes 9.3 seconds to reach 62mph and eventually runs on to a modest 117mph.

Light weight – Cacti start at just 965kg and none break the 1100kg mark – and small engines make the C4 Cactus very frugal, both on paper and in the real world. We’ll start with our own ...