Don't have a favorite brand though I may have alot for one brand.
Cadillac:
Escalade
XLR
Chevy:
Camaro-'69, '88, '02
El Camino, '82
Corvette-All of them
Colbalt SS
Colorado
Chvelle SS, '72
Impala, '64, '96
Silvarado, '96-now
Chrysler:
300
ME-Four Twelve
Dodge/Plymouth(they merged a while ago):
Charger
Cuda
Duster
Magnum
Ram
Viper
Ferarri:
360 Modena Spider
575 Marenello
Ford:
F-series
Mustang, '64, '92, '03, '05
GT-40, '05
GMC:
Sierra
Yukon
Honda/Acura: (it's a division of honda)
Accord, '02
RSX, '02, '04
NSX, '93-now
Lamorghini:
Gallardo
Murcielago
Lincoln:
LS
Mark LT (look for it in a search ehgine)
Mazda:
RX-7, 93-02
RX-8, 03-now
Mercedez-Benz:
CL-class
E-class
G-class
SL-class
SLR
Mitsubishi:
3000GT
Lancer Evolution V-VIII
FTO
Eclipse, '93-now
Nissan:
240SX
350Z
Maxima, '03
Skyline R32-34 GT-R
Oldsmobile:
Cutlass, '69, '72
Pontiac:
Firebird, '69, '88, '02
GTO, '63-'68
Porsche:
Carerra GT, '05
Subaru:
Impreza WRX STI
Toyota:
Supra Twin Turbo, '93
There are a few more, but I really don't want to look for the links to them. Well I guess my favorite brand is Chevy.