I have a '15 200 that I bought used with about 89k on it about a year ago. It has the 3.6.. One reason I chose this car was the Carfax report, which I know is only as good as the reporting accuracy is on it, showed that all the service was done at the same dealer apparently from new. It just showed normal service was done on it since new and it has been great for me with no problems. I'm very happy with it. And for what FWIW, I have a '14 Ram also with the 3.6. And other then the oil filter adapter problem they had, and was replaced under warranty, it has also been a trouble free engine.