Help me choose between these two bikes please!

Hi, I’m having a hard time choosing between 2 bikes and was hoping some opinions would help me come to a decision. I’m itching to get a bike to ride some local rail trails and just to cruise around town. There are 2 bikes for sale nearby that I really like. I’ve taken them both for a spin and thought they were both great. The thing is I don’t really know much about parts so I was wondering if one of these happens to stand out as a clear winner. They are both the same price, $350.
Bike #1 is a very lightly used Marin Sausalito (1999-2000). There is just a very small bit of rust on the chain, other than that it looks barely used.
Bike #2 is a brand new Bianchi Siena. This bike seems to have cheaper parts (plastic pedals) BUT it is brand new and comes with free adjustments for 1 year.
What do ya think?