Cadillac, which is the crown jewel of General Motors as far as luxury is concerned, is trying its best to keep afloat in a sea riddles with German competitors. Its latest effort sees Cadillac updating the ATS and CTS.

But first, let’s talk numbers. Cadillac managed to sell 26,873 units of the ATS and 19,485 units of the CTS in 2015 in the United States. B…