I passed it myself, honestly, without cheats on version 1.1
In the garage:
Boss cars (Pontiac GTO 65, Ford Mustang GT, Mazda RX-7, BMW M3 E92, Lancer Evolution X)
My cars (Chevrolet Corvette Z06 for drift, Dodge Charger R / T for dredge, Toyota Supra for dredge, Koenigsegg CCX for speed racing, Nissan Skyline R34 for grip)
Need for Speed ProStreet: Save Game (Completed 100%, cool cars) Free Download
Weekend cars (Lexus IS350 for drag, Pontiac Solstice GXP, Porsche Cayman S grip for grip, Audi RS4 for speed races)
Money: 1.245.170
(Screens inserted into the file)