Garmin Navigation System nuvi 1450  saves you gas and money with ecoRoute – a green feature that calculates the most fuel-efficient route, tracks fuel usage and more.  The built-in Garmin navigation system features free Navteq traffic service that always finds the fastest way to your destination, while the Lane Assist and Junction Guide features get you in the right lane at the right time.  Best prices on Garmin navigation system in GPS.  Check out bizrate for great deals on GPS from Garmin, Navionics and Kenwood.  Use bizrate’s latest online shopping features to compare prices for Garmin navigation system.