I don't think people buy 740's and 750's with speed in mind. I prefer the 750 over the S8 myself, I've seen A8's (same body as the S8, correct?), and they look really bland from the outside. Definitely not something that costs 72k. The BMW is much more refined/aggressive looking, I think. Although for that money, I would buy a C5 corvette for the summer, and an S4 quattro for the winter.