Yup,a free model wich u can download,Well its easy to convert GTA cars
Download Zmodeler and .TXD opener,open the .TXD file of the car,export the textures,open zmodeler,import gta car,export as .3ds,close zmodeler,open max,import the car,delete all unneccesary stuff,like broken doors and stuff,start render,it will ask the textures,find them,and then render