In addition to the extreme examples upstairs, there are extended Hummer, extended Cadillac, extended Rolls Royce, extended Emgrand and so on. . . .
Extensions can generally be seen in wedding companies.
Generally, they are selected from high-end models produced by powerful big automobile companies, and most of them are customized. It's not mass-produced
The real high-end car is different from the concept of high-end car that we usually say. There are many necessary hard indicators. For example, the car is more than 5 meters long. Whether the displacement is above 4.8 or 5.0, I also forget. There must be a rear drive or something. . . .
In other words, all companies that produce really high-end cars can basically customize 6-meter models.
Of course, people will also investigate the identity of the buyer. If they are just rich upstarts, they won't sell them to you no matter how rich they are.