may ALLAH accept u r ummrah
1)u can take u r car but check from bank
2)u need for u passport with valid visa of saudia and exit permit
3) for u r family only passport with visa
4)if u start at fajer contn next evening isha prayer u will pray at makkah but it is not good u should take some rest in the way bcz u should be active when u driving
5)from makah to madina no need of any other doc
pray for me also