The Ferrari 550 Barchetta Pininfarina arrived at the start of the 2000s as a throwback to a simpler idea of speed: a big naturally aspirated V12, a six-speed manual, and almost no weather protection.

Don’t ever underestimate the number of ways in which wealthy people can spend money. If a so-called “regular Ferrari” isn’t good enough for one’s elevated tastes, then companies such as Touring ...