Knowing Flandre’s appetite for destruction, she would probably want to drive a tank or a Monster truck, but I understand that those don’t fit the common definition of "car". I think she would want to drive a car that is exciting, so probably a very fast car like a very expansive Bugatti or something. She could also be interested to drive a robust car customized for demolition derby. In either case, what she would intent to do with said cars would definitely not follow traffic codes! I can’t imagine her car insurance monthly fees!

Something fashionable, fast, and with lots of features. I don't think Ann would care too much about practicality, as long as it works well. But she would appreciate being able to go as fast as she wanted and to travel in style, luxury, and comfort. It would almost certainly be red.

I headcannon Yomi ( :3 ) to be into more mechanical things if anything so she is probably into cheap compact "sports" coupes from the 90s and 2000s haha!