Enter the following as cheats:

JWRS: Nissan Skyline R34 GT-R
KNOX: Ascari KZ1
GVDL: BMW Z4
YTHZ: Audi TT 1.8L Quattro
GVDL: BMW Z4 Roadster
RBSG: Holden Monaro
BSLU: Hyundai Coupe 2.7L V6
MRHC: Infiniti G35
MNCH: Frito-Lay Infiniti G35
KDTR: Koenigsegg CCX
DOPX: Mitsubishi Prototype X
PRGN: Nissan 350Z
WIKF: Saleen S7
FAMQ: Seat Leon Cupra R