The Garmin Nuvi 255W GPS System features voice-prompted turn-by-turn directions, preloaded City Navigator NT street maps, including a hefty points of interest (POIs) database, and 2-D or 3-D maps
The GARMIN nüvi 205 3.5" Automotive GPS Navigation features: preloaded City Navigator NT map data for the contiguous U.S., Canada, 3.5" color touch-screen, turn-by-turn voice directions, and 2-D or 3-D maps.