Bugatti 16C Galibier -- 4 door race car! Engine is a front-mounted, 8.0L, twin-turbocharged W16 engine that delivers power via permanent four wheel drive -- Comparable to the quad-turbocharged unit used in the Bugatti Veyron. Downside: Still only a concept car.
C Corporation is a group of individuals granted a charter, legally recognizing them as a separate entity with rights and liabilities distinct from those of its members. C corporation is liable for any debts incurred rather than the individuals. The taxes are split between corporate and shareholders at different rates.