Re: I think there's something wrong with my Total Cost
What I suggest is to actually try to replicate the specs of an equivalent car. Ford Focus? Sure, you can get some sheets on which parts they use. This game's fairly good at simulating most market cars with a small margin of error, so if you just copy the specs, you can then see how far the various parameters are off, and adjust tech sliders accordingly to try to match. Expect the retail price of a car to be 2.5-3 times (at least) the simulated total cost. That'll give you an idea of how the game works too.