Well, the correct answer is that the spawned Rancher is not the normal one, but a Rancher with dark glasses, originally meant to be used in the mission "Lure", and internally called "RNCHLURE".
A: I have no idea, always thought Wheel Arch modded all cars.
A: Sultan, Stratum, Elegy, Jester, Flash and Uranus.
Q: What does happen in the mission "Madd Dogg" if you've cheated more than 200 times since the beginning of the game?