Purchase decision Ford Mustang Ecoboost

Hello together, I need some experiences and opinions from you. At the moment I drive a 520I BMW built in 2003. Since this now approaches its wear limit I am naturally looking for something new and PS stronger. I really don’t need the matching V8 sound for the Muscel Car look. (although this of course sounds great) But since I have no experience with such vehicles at all, of course, come to me the typical concerns that you know of Ami vehicles. What do you have as an average consumption? In the forums the opinions always differ greatly some write slightly below the 10l limit some go up to 15 l. What do you think of me as a rather cruiser, where will this move? How does it beats in the winter with circuitry? Since I want to drive the Mustang as a year-round vehicle is of course a big question for me. I am used to a tail-driver but with so many PS I unfortunately have no experience. And as a last question: Through the facelift 2018 (EU) I think the prices of the current Mustangs are too cheaper or I can get a great reward for it?