Someone on Philadelphia Craigslist Will Give You a Free Citroën if You'll Drive Them Around a Bit

First off, I feel like I should make clear that this does not appear to be a joke, or a scam or anything like that. I’ve been in contact with the person who posted the ad, and they maintain this is all genuine: some lucky person can drive, for free, a rare and lovely Citroën XM in exchange for a bit of driving the…