I don't know if its our greater understanding of aerodynamics, or tighter regulations, but the cars all seem to be headed towards one singular design for their bodies. Aside from maybe the lights on the Audi, they all look so similar! What happened to the variety of the Le Mans contenders in the late 90s? They all…

Along with some of the other replies noting cost, it would also make for less interesting racing. Pirelli aren't trying to make the best tyre for fast racing here, they're trying to make the best tyre for competitive, exciting races. That's why the tyres' grip goes so quickly and not in a "linear" fashion. They're…