If you have no tuning aspirations with the 2.0T, go and drive the 3.6L to see how you like it (you probably will...lol). The improved sound and different (subjectively better) throttle response may win you over. If it matters to you, a V6 AWD car will pay you back later with better resale value in the Canadian market; if nothing else, it will be 'easier' to sell. If both cars are 2017's, would you be moving up from a 'Luxury' trim level to the 'Premium Luxury' level? That's worth a $3-5000 bump any day of the week... :thumbsup:
By chance is <this> the car you're looking at? That's loaded - you'd definitely enjoy that! :yup: Be sure to do your diligence with the warranty history, too. Take the VIN to your Cadillac dealer and have the Service Dep't. run it for you. It should have had at least one oil change done by now. I see on the CarProof that the original owner had it undercoated a few months after it went into service and before its first winter, which is probably a good sign ('specialy for an ON car).