Yes, it’s crazy-fast and yes, it’s possibly just downright crazy, but the Macan Turbo will convert all but the most faithful of Porsche purists. It is powered by a 400-hp, twin-turbo V-6 mated to a seven-speed transmission and a sophisticated all-wheel-drive system. The interior is terrific, nicely appointed and surprisingly roomy. Alas, like all other Porsches, performance comes at a steep price; if you want to blend serious performance with versatility, however, the Macan Turbo has few peers.