GT1 road cars are hard to come by. Manufacturers are required by some motorsport sanctioning bodies to homologate their racecars with production versions, but these often fetch millions of dollars and are only made in extremely limited quantities. All the more so for Sbarro’s GT1 show car.Built to celebrate Mercedes’ victory at Le Mans in 1999, the GT1 is a one-of-a-kind (well, two of a kind if