I agree with all the responses you've received. She seemed down for stuff and like
@Barrister said, you sabotaged yourself. Not only you overextended the interaction, but to make things worse, you did it by asking about her last relationship aka ex. Why would you do that?
When it comes to interacting with females, less is more. They want simplicity and someone that will take charge/lead.
So you agreed on the time and the activity, in this case, driving, you said I will drive, she said cool, then you say right on, pick you up then. Bye.
Getting a date these dates, you gotta treat it like robbing a bank, you get in there get the job done as fast as possible and then you bounce. Let her wonder who you are, and have her imagine what you are about until you meet up in person.
Modern Man Advice