The nerve!
If you love it, and it is paid for, and you don't need the money for anything else (kids college or a heart transplant), then you should absolutely keep it.
Why would she tell you to get ride of something you love? Why is she concerned that you are no longer a bachelor and need to act accordingly?
What is she trying to prove? That she owns you? That she has your balls in a vise and can turn up the squeeze anytime.
She should not even ask you to get rid of the stack of porn you collected over the last decade. That stack got you through some hard times and she should resplect that...

F the Lexus. Your a Porsche guy and you know it!!!