[Rarity of cars]

Tks a lot for your answer, it help me so much, but 1 thing:

For example, i put mercedes replace, phoenix, and then i change the speed, is that right?

[Rarity of cars]

Sry if i cant post it here, or its the wrong place, but:

I am modding my gta sa, and i dont want, an mercedes, that replace the bravura, be common.

its a way to change the rarity of the cars?

Another thing, how i change the speed of cars, to make them as real life?