2013 Volkswagen Beetle TDI

You had to look closely to see what made it special, but the white Beetle on Volkswagen's stand at the Chicago Auto Show had three chrome letters on the liftgate that gave it all away: TDI. That's VW's name for its diesel models, and the car on display was actually the first official U.S. showing of the 2013 Volkswagen Beetle TDI, which will go on sale later this year. It's fitted with the familiar 140-hp 2.0-liter turbocharged diesel that's also seen in the Volkswagen Jetta TDI and Golf TDI. It puts out a useful 236 pound-feet of torque, and can be paired with either a six-speed manual...