[volvoski]

Corrosion can be anything from a light dusting to large gaping holes. If it hasn’t failed on corrosion holes it’s more likely a dusting of corrosion.
When we bought ours it was three years old and had one previous owner- on lease. Already had 100,000 miles on the clock. People who buy an awd large estate generally have a job for it to do. That means miles. Good luck with your search.