The $75K question: BMW Z4 35i, BMW M3 coupe, Audi TT-RS or Audi RS5?

Since I already answered the $64,000 question with the purchase of my S5 (when compared to a BMW 335is coupe), I’ve been wondering what I would get if my budget were around $75,000. My requirements would be: The car must be purchased or financed new The price must include a four-year maintenance plan Manual transmission a near-must, but I’ll consider …