OMG OMG OMG. The American version isn't on yet, but the Discovery Channel is airing the British version of Top Gear today. Kinda late, but its still here;
http://dsc.discovery.com/tvlistings/series.jsp?series=30445&gid=0&channel=DSC
http://dsc.discovery.com/tvlistings/series.jsp?series=30445&gid=0&channel=DSC