Custom search on header

[Magento_bypro]

I need a website where i need to sail all car parts and accessories.And appart from that i need a search .using that search user can select car type like:Audi,BMW
Then according to car type model will be filled in the drop down and then user can search.

[Lalit Mohan]

You need custom theme design to fulfill your design part and custom module for search functionality