Forza 6's One Car Classes

This has been bugging me in a weird way with Forza 6. Turn 10 has done a great job creating a hugely diverse field, but there are several categories with really one contender. Take the modern grand prix career event where you race against 23 other identical Lotus for example. The 787B is mixed with cars that don’t stand a chance. On the simple side, we have a 15 Mustang GT but the Camaro SS and Challenger Scat Pack Shaker are missing from that epic battle. I can go on and on about what feels like a “first world problem” meme but boy I can’t wait till T10 starts filling up the grids…