Good GPS Car Navigation Features
We’ll look at the devices in reverse order so that one can discern the pattern of additional features that attracts higher prices of the better ranked devices.
Tom Tom ONE 125 : A simple device with good design. It has a 3.5" display, WVGA touch screen, on-screen keyboard for address entry, spoken driving directions, windshield or dash mount. Weighs only around 6 oz.
Mio 520: a thin design, 4.3" touch screen; on-screen keyboard address entry, spoken driving directions, windshield and dash mount. Text to speech capability, blue tooth hands free dialing and multimedia features extension. Weighs 6.7 oz.
Magellan Maestro: 4.3" touch screen, one touch destination entry, on screen keyboard, spoken driving directions, text to speech capability, spoken street names, windshield or dash mount, Bluetooth, multimedia features, preloaded maps and a large base of points of interest or POI. Realtime traffic update. Weighs 7.4 oz.
Garmin Nuvi 880: 4.3" touch screen, on-screen keyboard, spoken driving directions, street names, windshield or dash mount, Bluetooth, multimedia features, maps with 2D and 3D views( 3D gives a better visualization of landmarks and street crossings), large POIs, Weighs 6.2 oz. The premium feature is that it recognizes voice and you can give it the destination addresses (multi destination trip capable) by speaking to it.