The owner's post identifies the pictured vehicle as a 2006 Lexus GS430 and the wheels as Niche Form 158s. The owner specifies 20×8.5 front and 20×10 rear sizing with 245/30R20 front and 285/25R20 rear tires, paired with Tein Flex Z coilovers; the source photo verifies the dark graphite multi-spoke design.