I think it was Anne Lamott who said "Help is the sunny side of control"
It sounds like you did express all of your wishes prior and had a game plan as to when and how you would get a new car. You had a timeline. Winter. You spoke of what you would like in a new car, etc.
It is not because of you that he lost $1000.00. He lost the money because of his actions and his determination to "help" you.
I am not sure how you will work this out with your parent but I do know that you are not the reason for his anger and you are not to blame for his actions. This car is not one that YOU want to drive and that is okay. You are not responsible for him. Anne Lamott also said "Quit spreading your help and goodness all over everything" ..... Its not helpful and its not what you want.
Solution:
Maybe you can trade in both cars for a car that you would actually like?!