World's Fastest Convertible: 253 MPH Bugatti Veyron 16.4 Grand Sport

The Bugatti Veyron Grand Sport is officially the fastest road legal production convertible. That is, if you consider a 223 MPH top-down jaunt across the French countryside road legal and you consider 150 units a "production" model. » 6/22/09 5:30pm 6/22/09 5:30pm