Contruyanme un sitio web y ayudarme a atraer personas mediante Google

Hello, I need to build my company online, I have an automotive dealership and I use an app called offerup to do my sales and facebook marketplace, I want to improved my sales maybe creating a website to post my cars, something easy for me to upload my car information and at the same time generate internet traffic getting public from the whole florida usa! Thru google probably.
If you have any Idea or maybe create a project for me let me know