inputs.text: magellan 9020lm - purchased unit large 7\\ screen 7\\ screen ideal rv not builtin gps unit board purchased replacehement garmin nuvi 255w 4\\ unit comparing functions units first thing miss magellan indicator speed limits roads become dependent speed limit indicator garmin screen guess adjust mentioned another reviewer screen image bit washed bright sunlight unlike garmin magellan \\verbal\\ naming streets turning allows time spend listening going without looking screen \\highway lane assist\\ option quite helpful since rv towed vehicle exceeds 50 ft length allows time plan ahead make lane change updated maps presently little experience beyond magellan suppose notify via ehemail next update available fact lifetime updates came unit great purchase lifetime update package garmin 70 sale large size magellan unit mount periodically fails hold weight large screen magellan always happens inconvenient time murphys law know side mounted unit dash unable get screen viewing angle right poor design mounting bracket garmin comes selection voices chose magellan one find bit garbled times turn voice volume high case starts vibrate distorting sound voice even gave 4 stars feel like 3 12 stars overall