Default Why should I get the RLX?
 

And what should I be looking out for, problem wise (maintenance/reliability) Iv had an RSX a few years back and I know Acura is an upscaled Honda. I am looking at this: https://www.pomoconissan.com/Vehicle...-VA/3432400573

Would like some input before I pull the trigger, I am in the market for a Luxury sport sedan and I feel like this has all the options I love at a price under 30.

Thank you in advanced!

I do have a 2014 PAWS, but I did not see an RLX on your referenced page.
The 3 key reasons to consider an RLX PAWS are price, price, price. Other makes in the 'RLX lux sedan' class run circles around the RLX in options and capability. The RLX does have honda heritage, and will continue to at least run, etc.
Damper rattle is particularly annoying and remains unfixed if you encounter this; the AC moan is common but seemingly now has a fix. The fuel pump click can also be quite annoying and can be expensive to repair outside of warranty. The PAWS will be overall a harsh ride on rough roads with no compensatory advantages.
The infotainment was not very well designed in 2011/2012 for the initially anticipated 2013 release, and remains the same even on 2019 models. Most every other honda/acura has received a major update. If the RLX still fits your interests, lowball the dealer - likely the dealer will call you back if your offer is rejected at first. For your resale advantage, the 'advance' or higher option package will help.

The SH-AWD can be a horse of a different color. The infotainment is the same, but the chassis and drive train actually offer something that can be impressive.

I was looking at getting a SH-AWD RLX sometime next year. Then a 2013 CPO Lexus GS 450H popped up, and I bit on that. Does not have all the Safety features of the RLX since it is going on 7 years old, but I think it is a competitor in the RLX class. People hate the Lexus mouse thing as well as the Acura two screen, one touch screen setup, so no matter which one you get, the entertainment technology will be a sore spot. Good luck!