you seems purchased some car from scam website and lost your money.

First you need open dispute to paypal or contact your bank against those cheaters who took your money and claim refund.

Second, you need tell which website scammed you so that other people will not suffer their scam again.

Next time, you should be very careful when doing online shopping, read following article and stay away from cheaters:

How to avoid scam when doing international cross-border online shopping?