I don't know about Hot Wheels, but I found resin models of a '68 4-door and a '67 2-door (they're calling it a '68, but it has '67 grille and no side marker lights) on eBay. Kinda pricey but definitely neat. Here's the link:

https://www.ebay.com/itm/1662367678...R6&widget_ver=artemis&media=COPY