Winter in Montana is tough. If you plan on traveling during the winter months, you'll want to make sure you have a vehicle that can keep up with the conditions.
I'm going to preface this writing with the fact that my mom drove Audis during my entire childhood, and I don't remember her being a jerk driver. But who knows. I was just a kid.
It is a very specialized talent to drive a truck that's 70 feet long and weighs 80,000 pounds. Sharing the road with semi trucks is a skill just about everyone can improve upon, and knowing HOW to drive with truckers would make Montana roads immensely more safe for everyone.