The owner identifies the car as a 2006 Lexus GS300 and the installed wheels as OEM 2010 Infiniti G37 Sport wheels. The owner supplies the 18×7.5 +45 front and 18×8.5 +50 rear sizes with 225/50R18 front and 255/45R18 rear tires; the source photo verifies the black sedan and silver multi-spoke design.