Because the Alfa Romeo racing game seems to be on schedule. Upgrading the driver instead of the car is an interesting angle, and could allow them to employ really high-fidelity physics for the cars. After all, the standard GTA-style "three upgrades per system" would be really hard to justify on a 1932 8C2300. Although I wouldn't put it past some ricers to try to fit low-profile wheels and tires on one.

Now to find screenshots...