I really want to point out one thing about the original RC1 and RC2.
In RC1 the physics was really harsh and hard at times, it was rather easy to lose control at top speeds and accidently do endless barrel rolls near round grooves. Most importantly during long jumps the car tended to flip and face the wrong direction. However, the feeling of speed was immense.
In RC2 developers simplified the physics, it became easier to control the car, but the feeling of high speed was lost, sometimes it even felt that the car is on rails.
Therefore, my point is that it is very important to take the best from both games, the subsonic speeds of RC1 and more fluent controls of RC2 with controllable long jumps and smart chaotic behavior if I may put it that way. Because it is very frustrating to lose the grip (Ba Dum Tss) and jump around knowing that all your opponents are far ahead already.