As we have reported in previous used aircraft articles, used piston twins are generally good deals in the current sales market. The Beech Baron, Travel Air, Piper Aztec and even the Beech Duke are all examples. On the other hand, for various reasons, the market for new piston twins remains relatively flat, and there are few models for the taking. Piper builds two of them, the Seminole and the Seneca. Both have endured for various reasons, although neither is made in much volume these days.
This is a companion discussion topic for the original entry at https://www.avweb.com/features/piper-seneca