My old 93 NX2000 was doing very well regarding rust until I got another car 3 years ago and started storing the NX outside all year. Since then it developed rust on the driver A pillar, both rear wheel wells and the rear hatch. Did storing it outside make the rust worsen or would it have rusted anyways. I'm asking because now I have a 91 NX with rust starting on the A pillars but pretty clean elsewhere. I'm wondering if storing it outside will make the rust worsen as well. There are a bunch of rust pics of the 93 at NX Pics (http://www.keithert.com/pics/nx2000/)

rust will go way way worse outside..
condensation=growth

If the rust wasnt treated it will spread... especially w/ changes in the weather. Moisture Sucks...