Mio Knight Rider Portable Car Navigation GPS for $159.99. Choose in-store pickup to save on shipping if you have a Fry’s near you. Otherwise, shipping starts at about $6.50. This GPS unit speaks in the original K.I.T.T.’s voice, has a 4.3″ touchscreen LCD, and contains more than 300 male and female names so it can address the driver personally. In addition, it has text-to-speech functionality, automatic rerouting, USB interface, SD support, and more. As a reference, Best Buy has it for $269.