| 1966 Thunderbird |
| Hardtop, Town Hardtop, and Town Landau Identification |
| Body Style | Hardtop 63A | Town Hardtop 63C | Town Landau 63D |
| Feature | |||
| Closed 2-door body style | Yes | Yes | Yes |
| All-steel roof | Yes | Yes | No |
| Vinyl-covered roof with chrome Landau S-bar on each side | No | No | Yes |
| Soft molded headlining | No | Yes | Yes |
| Rear seat passenger side windows | Yes | No | No |
| Overhead Control Panel | No | Yes | Yes |
| Vacuum door lock switch on console | No | Yes | Yes |
| Safety Convenience Control Panel mounted on instrument panel | Optional | No | No |
| Simulated burled walnut interior trim on steering wheel, instrument panel, console, and doors | No | No | Yes |
| Body Series Code (3rd and 4th positions in VIN) | 83 | 81 | 87 |
| Body Code (first production code) | 63A | 63C | 63D |
| Unique in all the world | Yes | Yes | Yes |
| Body Style | Hardtop | Town Hardtop | Town Landau |