The Fiat 500 was the little Italian city car that charmed its way back onto North American roads in 2012, bringing retro styling, a tiny footprint, and a personality far bigger than its dimensions. The Pop trim keeps things simple and honest, which is very much in the spirit of what the 500 is all about: easy parking, cheerful looks, and a car that's genuinely fun to zip around town in. Powering this one is the 1.4L four-cylinder gasoline engine, the familiar MultiAir unit these cars came with....