By Donald Hammonds

Remember the days when all the American automakers were worried about the impact of the Japanese brands on their business?

Well, forget that.

Their problems have multiplied.

Take a look at the all-new Hyundai Sonata:

American manufacturers better worry!

They have all but given up the sedan market, and I think that will come back to haunt them.

Both Kia and Hyundai  will clean the clocks of American brands as a whole when the 2021 selling year ends.

And I predict when the final tally on …