The price of F1 car models is primarily driven by scale (1:18, 1:43, or 1:12) and manufacturing materials. High-end collectors' models typically use die-cast zinc alloy or high-grade resin, which offer superior weight and detail compared to ABS plastic. For professional sourcing, ensure the models feature electrostatic spray painting for a realistic finish and tampon printing for sponsor decals to prevent peeling. Functional components like working steering wheels, removable tires, and highly detailed engine replicas significantly increase the unit value.