Car classifieds aggregator, similar to carsabi.com

Hi, I need a site the same as [login to view URL], design and functionality likewise. Please visit the site as i need almost all features. This sites work similar to [login to view URL] and other coupon aggregators, exept that it aggregates car classified ads. Project details: Build a site that: -Crawls 5 car classifieds site and retreives all pictures of the ad and 7 sets of information (price, year, mileage, model, transmission, address (if any), website link) -These data has to be arranged into a database. -Publish the ads in my site, with pictures, information and google maps to show address. -Search functionality, similar to google search where results are suggested. -Refine search by: make, model, year, price range, etc. -Use some graphing software (like [login to view URL]) to graph price vs mileage data. -User login where they can save favorites. -Seo friendly. These are the main features is need for the site, you can see all of these in action in carsabi.com. Thanks