If I have to be brutally honest, I would say No. But then it is my opinion.
For the car domain, I see the plural is also registered. But unless you are Lamborghini or Bentley, or some exotic car, there is no one requesting a custom made car. I have not seen a Ford, Chevy Honda or Toyota being custom made, but all of them have a "build your car" section on their website for pricing purposes only. I don't see anyone ordering online. Hence my opinion.
The .Com - obviously is misspelled and don't know what the traffic was on it.