Thanks everybody for the input.I decided to go for 225/45R17.It is true that 235/45R17 is the closest match to the original 215/50R17, but the difference is pretty small and I'll get a little more torque and a lower ride in the process.I'm not concerned too much about the odometer and speedometer. I...

It's time to replace the Potenza's P215/50/R17 on my Vibe GT. They were great tires.I'm thinking to get wider tires, as maybe in P225/45/17.In the past I had mixed results using wider tires, starting from great handling improvement with mostly the same MPG (on a Chevy Metro) to much higher gas consu...