Largest car dealership empire?

By number of dealerships, what is the largest automotive dealership chain in the US?

I know Rick Hendrick (NASCAR fame) owns 65 dealerships but according to Wikipedia, it is only ‘one of the largest’ not ‘the largest’.

Any idea.

According to their FAQ:

(Bolding mine.)

Don’t know if they fit your definition of a ‘dealership chain’, but apparently they do have ‘stores’ of some sort.

Cal Worthington is pretty big.