Well i dont know about more/new classes but: a. we will continue to offer braod range of cars and b. we will focus more on keeping the interclass battles competitive with no clear winner or "go to" car
Regardless,
it's inevitable that people will find the fastest cars of each class. It'll happen every time, but mostly in road car classes which are not regulated like race cars...
...To fully encourage competitive races and to keep all cars a viable option, a simple point or color system would more accurately rank cars, creating far more matchups along the spectrum. If not, you could add more subdivisions within a car class or just create a few new classes...?
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(New class: ROAD AAA) Porsche 918, Ferrari LaFerrari, McLaren P1, McLaren 720s, Dodge Viper ACR, Gumpert Apollo S, Lamborghini Veneno, Pagani Huayra BC are now its own class atop the road car food chain. Top dogs. Track monsters.
(New class: ROAD AA) Corvette Z06, Ford GT, Nismo GTR, Ferrari 488 GTB, Pagani Zonda Cinque, McLaren F1, McLaren 650s, etc. Second in the food chain, home to very powerful and quick cars.
(Reconfigured ROAD A) Acura NSX, Jaguar XJ220, SLS AMG, Audi R8, RUF RGT-8, Mustang GT350(R), Camaro ZL1/Z/28. The entry to Road A-level cars begins here.
(Reconfigured ROAD B) The former B class needs to be scaled back, otherwise, it will explode. The spread was waaaaayy too large in P Cars 1. Here, cars that avg 0-60 in ~4.2 secs, with roughly 400-500hp belong. If there are not many new cars that fit this mold, simply eliminate the "C1" category and we'll now consider them B class cars. Now you have a "C" category by itself. No more 1+2.
(Classic Sport Cars) Ferrari 288 GTO. Pour 911 Turbo. Add Miura. Sprinkle Countach. Stir. Enjoy.
Thoughts on either option? One option abolishes classes, allowing cars of similar performance to simply compete. The latter option is a restructuring of current classes while adding new ones. If the class system is staying, it definitely, unequivocally, needs addressing. We're here to help you