Run it and get it real warm. While it’s running Gather all your tools and supplies to change the oil. Then change the oil right after you **** it off, let it drain a while, 20 minutes. Run it some more with new oil. This will help it immensely.
For those that like to argue, we have no idea what the oil is, what additives are in it, how old it is, where this car was stored or how much moisture is in the oil. So put in new oil and filter.
Your exhaust is neither of the things you mentioned. White is steam from moisture. The gray could be the moisture removing soot and carbon from loading up or extended idling. Blue is oil and you have no blue which is good.