According to the FCC (See attached) 
It seems just like any other manufacturer, the models are announced "several" months prior to the new year, real production starts in the following year. These models were announced back in July, 2019, but just now making its way across the assembly line, fresh out the oven. 
It seems just like any other manufacturer, the models are announced "several" months prior to the new year, real production starts in the following year. These models were announced back in July, 2019, but just now making its way across the assembly line, fresh out the oven. 