gtasa/data/handling.cfg
SANDKING     1700.0    2725.3   1.5    0.0 0.0 -0.25 70  0.70 0.8  0.50 	5 240.0 30.0 10.0 4 P 	11.0  0.51 0 30.0  	1.2  0.19  0.0   0.25 -0.10 0.5  0.4		0.37 0.72 95000 	40000000	C04000   	1  1	1	C04000		1  1	1

gtasa/data/vehicles.ide
495,	sandking, 	sandking, 	car, 		SANDKING, 	SANDKIN, 	null,	executive, 	4, 	0,	0,		0, 0.95, 0.95,		0

gtasa/data/carmods.dat
sandking, nto_b_l, nto_b_s, nto_b_tw

gtasa/data/carcols.dat
sandking, 0,3, 2,0, 3,0, 4,0, 6,0, 11,0, 21,0, 26,0, 45,0, 45,0

get that mod car colors make your game more cool ;)
http://www.gtainside.com/en/sanandreas/mods/86342-car-colors-mod/