www.NADAguides.com, a vehicle information Web site, recently announced the launch of an online side-by-side comparison tool, giving car buyers the ability to compare up to four new or used cars simultaneously online. With this new service, shoppers can compare new against new, new against used or used against used for makes and models dating back to 1998. The service provides a detailed side-by-side chart to compare vehicle information such as powertrain data, vehicle dimensions, chassis data and wheel and tire information. The Web site also offers information for boats, motorcycles, RVs, ATVs, personal watercraft, classic, collectible and special interest vehicles and manufactured housing. NADA says the Web site has the largest database of vehicle pricing and specification information available on the market today. NADAguides.com offers a variety of new and used car services, in addition to pricing and specification information, including online new car building and buying tools, new car dealer price quote services, car reviews, incentives and rebates information, dealer inventory search features, vehicle history reports, DMV documentation, Certified Pre-Owned inventory search capabilities, car buying, selling and maintenance tips and advice, insurance and warranty quotes, new and used car photos, car selling programs and vehicle donation services.