A trike for grown-ups, at $40,000
Three-cylinder tricycle isn't the most practical vehicle.
If you can't get your hands on an "Wild Hogs fantasy without excessive risk of bodily harm." (or don't have the guts), there's an alternative to pursue your
The "V2 Roadster" by Triketec is a tricycle on mega-steroids, turbocharged by a three-cylinder engine that can reach 92 horsepower with independent rear suspension. That may seem like a lot for a trike, but be aware that the V2 weighs 1,227 pounds, so it's not exactly something that can be hauled around on a bike rack.
Adding to its inconvenience is the price, which Autopia puts at just shy of $40,000. Still, if you're a wealthy retiree, imagine how much fun you can have terrorizing the golf course.