The 2009 Infiniti G37 Sedan is available in four models – G37, G37 Journey, G37x AWD and G37 Sport 6MT. In addition to the long list of standard and available equipment on the G37, G37 Journey and G37x AWD models, G35 Sport 6MT models (as well as G37 Journey and G37x models equipped with the Sport Package) add drilled aluminum pedals, sport seats with thigh extensions and driver’s power bolster adjustments, upgraded brakes (not available on G37x) and Viscous Limited Slip Differential, along with magnesium paddle shifters on automatic transmission models.
Below is a link to a PDF that breaks down all of the option.