All base-model 2007 Chrysler PT Cruisers are motivated by a 2.4-liter inline-4 that makes 150 hp. Its available with either a five-speed manual or a four-speed automatic transmission. Optional on Touring and Limited models is a turbocharged version of that engine, which puts out 180 hp. If thats not enough, the performance-oriented GT offers a higher-boost version good for 230 ponies. Turbo-equipped Touring and Limited Cruisers come standard with the automatic, while the GT can take either a manual or automatic.