It doesn't just depend on how many miles you'll put on, but how you'll put them on. If it's only going to used for trips to Montreal with your wife a couple times a year, and expect to own it for five years,
A new car might be nicer. If you're only going to use it to commute (particularly a very short commute), and expect to own/use it for an indeterminate amount of time, buying something old and used (not a late model "previously owned" car) probably makes more sense. If by "needed something larger" it means an occasional Home Depot run, you may as well make it an older Ranger or other compact truck. If larger means something to accomodate a child and lots of crap on the trips to Montreal, that's something different.