421110  Automobile and Other Motor Vehicle Wholesalers 

This U.S. industry comprises establishments primarily engaged in
wholesaling new and used passenger automobiles, trucks, trailers, 
and other motor vehicles, such as motorcycles, motor homes, and 
snowmobiles. 

The data published with NAICS code 421110 include the following 
SIC industry:

     5012  Automobiles and other motor vehicles