A mid-life refresh of a car from a genre for which we at Ti have our admiration under fairly close control might not normally merit a mention here, but so different is the market to that in which the awkwardly named and even more awkwardly styled Bentayga was launched in 2016, it is instructive to see where it now sits. Class best-seller it has always been, but against the Cullinan, Urus and DBX, does it remain the best?