Wheelscape Explorer is a downloadable search tool that enables Web users in US (there is also a German version) to search for cars in the largest virtual database of used cars in US consisting of millions of vehicles. Wheelscape Explorer enables users to carry out instantaneously comprehensive and high quality searches for cars on the Internet by accessing automatically multiple searchable online databases of used cars in US. Wheelscape Explorer greatly eases the process of search by removing the need for tedious, repetitive and error prone process of searching for vehicles individually at each site. By providing aggregated access to all the information, users can also compare vehicles by price, mileage and age among different sites.