A toy vehicle system having interchanging wheels, tires and axles for altering ground clearance features a pair of anterior axle mount projections and a pair of posterior axle mount projections angularly located on a vehicle underside. Interchangeable anterior and posterior axle units are designed to position the toy vehicle at a ground clearance that proportionally resembles a full size vehicle ground clearance. The system features a first size plurality of wheels, a second size plurality of wheels, and a third size plurality of wheels, each having a tire located on an outer periphery thereon. The system features a plurality of fasteners for securing the anterior axle or the posterior axle. The system features a plurality of nuts located on wheel studs for securing a wheel on a hub. The system features a perpendicular wrench having four projections located thereon, radially projecting from a central hub.