Despite its relatively low price, the Garmin Drive 51 LMT-S has the important features experts say you really need. It has a 5-inch touch screen, speaks directions aloud (with landmarks), and the lane-assist feature holds your hand through tricky interchanges. Traffic data is available, too.
Accurate navigation; Easy to use; Traffic data (via smartphone or accessory receiver
No voice commands; Non-multi-touch display