Be careful…some of the older Subarus had head gasket problems…do a Google search to see if this model/ year is one of them…
also check to make sure all 4 tires match. The AWD system is pretty picky about things like tires, and can be a costly repair when damaged
According to Edmunds, that’s a $3000 car from a dealer and $2000 from a private party in clean condition. Subtract any needed work from the clean condition price to get a fair price.