Audi's SQ5 crossover promised us 354 horsepower earlier this year, and now there's a sticker price attached to the uprated version of the German automaker's pert little urban ute--$51,900. The SQ5 is the first "S"-designated Audi crossover. To earn the alpha tag, it's plumped up with more horsepower than the current supercharged V-6 can muster...