yeah, it's just one tool among many. i'm getting some crazies in here now who have used these things, but ignore facts in their faces... "but here is what it told me it's worth (pulls out range of 41-45k trade value)"... ok, that's fine, but here is the list of all of your model for sale in the province, and the most expensive with half the kms is 39950. yours should be selling for 36950 or so, which means i can only give you about 33 considering the windshield is gone and your tires look shot.
look at those sites, but you are better to look at the reality of what they are selling for, assume a bit of profit, assume some reconditioning (and no, your car isn't perfect, no matter what you may think!) and go from there... and don't find the most expensive similar one, go for the cheapest.