Abstract: A device for serving as a wheel for motor vehicles, where the wheel has its tire tread replaceable when it is worn out via unique rims and molded tire features. An alternate internal structure prevents the tire from “going flat” or “blowing out” when it is punctured or cut. In one variation the tire can be used with existing rims and can be retro-fitted into existing tire by mating the tires with this invention's “Non-Flat Tire” internal element and special rim. A variation of the “Non-Flat Tire” system uses spring-like materials for its tire core that is shaped similar to a tire's inner tube, and functions like an “air-filled” tire, but the absence of the use of air in this unique configuration gives it the “Flat Tire Prevention” effect.

Abstract: An automobile, in particular those considered as a Personal Luxury Car, Performance Car, “Pony Car”/Sports Car, or Grand Touring car, that seems as a two door coupe, by appearing to have only left and right front doors, but in actuality has four doors; where the left and right rear doors are “hidden”, and appear as solid rear quarter panels, but have selective hinge points or pivot points along the roof line or at the rear bumper/tail/light/trunk area, or at some location to that allows the rear quarter panel, to move away from the car's rear seating area and provide passenger entry/exit.