Not every car at Mecum Kissimmee 2026 found a buyer. Some rolled across the block, drew a scattering of half-hearted bids, and rolled right back off completely unsold. Buried in the same footage sits a Chevrolet SS that international viewers instantly recognized as a Holden Commodore SS wearing a different badge on the other side of the world. What actually separates a car that sells from one nobody wants to touch?