The RLX will replace the RL as Honda
's premium brand's flagship model, and the production model is slated for launch in North America at the beginning of 2013. Acura
's full-size sedan is around the same length as the current RL, with a two-inch longer wheelbase and two-inch shorter front overhang. Track and vehicle width increase by around two inches. As seen on the smaller ILX, the so-called concept's styling evolves the 'Keen Edge' design language, which is based on taut and aerodynamic shapes and proportions.