Unfortunately, the only hitch available for a 2008 Infinity G35 as of October 2023 is the Curt C11493, and it only fits the Coupe and not the Sedan.
For your Sedan, you could use the trunk mounted rack like the Yakima FullBack 2 Bike Rack - Trunk Mount - Adjustable Arms # Y02634. check out the attached video to see if a trunk mount would be right for you. view full answer...
The Thule MOAB cargo basket is no longer offered but their Canyon roof basket # TH859XT measures 49- x 40-inches and has a 150-lb weight rating. The Yakima Load Warrior # Y07070 measures 44- x 39-inches and has a 140-lb weight capacity. The Thule Canyon is slightly heavier at 29-lbs versus the Load Warrior's 25-lb weight.
Both of these cargo baskets are designed to fit a range of crossbar shapes, including most factory-installed bars, but the key is to note the center-to-center spread... view full answer...