Automobile Salesman Website

We would like a website based on Joomla that has a similiar style and feel to the following: [login to view URL] The color scheme should reflect the colors of Chevrolet (Gold, Silver and Blue) on a black background The following functions should be available through Joomla Extensions: 1) AJAX style Login feature for access to Admin User Menu 2) Ability for Customers to submit testimonials via frontend that will show up in a testimonials section/category (option to include picture) 3) Google Map style extension to show location and get directions to the Car Dealership 4) Ability to list vehicles for sale with specs, pictures, pricing etc. a. Whichever component is used, it should be fully manageable via front end and accessible via the Logged In User Menu b. Samples of good extensions to use would be (open to other options as well, would like to avoid purchasing an extension if possible): i. [login to view URL] ii. [login to view URL] 5) Ability to keep track of customers using the following extension: [login to view URL] a. All of the function and features of this extension should be accessible via the front end and on the Logged in User Menu