Why ? You "just" need a car that can steer and brake, what's the problem with steering and braking ? Need a steering wheel, good brake pads and tires
TBH the complexities are not even comparable, track engineering for a car is probably a few orders of magnitude more complex than straight line speed.
Why ? You "just" need a car that can steer and brake, what's the problem with steering and braking ? Need a steering wheel, good brake pads and tires