When it comes to luxury sedans, the Acura RLX may not be the first vehicle that comes to mind. Debuting in 2014 as a replacement for the Acura RL, the RLX has struggled to gain a foothold in a highly competitive market dominated by European and Japanese manufacturers. Despite its niche status, the RLX boasts unique features, impressive handling, and upmarket tech that set it apart from its competitors and make it appealing to many buyers.