Short term lease
Can I lease a car for 5-6 months in San Diego?
Might be easier to pick up someone else lease nearing the end. Swaplease.com
I would see if I could get a long term rental.
No. Leases typically run 24 months and up. You want a long term rental. You can check with the usual rental companies, but you can also check with some independent dealers to see if they rent, and I know that many Nissan dealers offer rentals and long term rentals. You might have to do a month to month, but that's okay. If you are looking to spend $500 a month for months, you might just want to find a $3000 car and sell it in the end.