2014 buick regal

So currently, im working on my 2014 regal T. And i put in my new 2.5hmi unit, my screen no longer displays. With the 2.5 or 2.0 nothing comes up. So im wondering, i used ai (only reason i do is for car parts basically) and it was saying tha due to there being no pre made splits, for the 2.5 i...

This will be my first car and I am wondering how long the car will hold up, it has 130k miles on it, and I think it has potential considering it has a clean and fairly detailed carfax and looks good cosmetically as well. To View: https://www.carfax.com/vehicle/2G4GN5EX4E9215876