I m23 have never been with anyone romantically or physically.

I am 23 and am just confused and kind of loosing faith that one day I'll find some one special in my life. I've never been a social butterfly but I have found ways to have fun with others around me, but honestly I seem to not being able to talk to anyone my age really. Here are a few things I know that aren't helping my issue and I am going to truly open up so please don't be too harsh. I'm not overly picky with weight, race, height, or anything physical but I do wish to find some one I find physically attractive and mentally attractive.

First off physically I'm a very intermediating person, 6'2" and about 370 pounds although most think I'm in lower 300s due to having a very large frame and shoulders. Honestly I should have been a line backer but eh, I like what I do. I also look much older then 23. I've been told early 30s when I grow my facial hair (which helps me look masculine as apossed to some sweaty nerd (I have friends who look like that I just personally want to avoid the look, it's not flattering in my opinion)) so my first main issue is the woman I find attractive immediately think I'm some weirdo 30 yearl old trying to get him a sugar baby, which let me tell u, not exactly the best way to meet people.

Secondly, I literally don't meet any females in my life who aren't already in a relationship or too old for me. I work for my local metroplex as a mechanic and have long/usual hours that keep me from social places like clubs or bars. I also live 50 miles one way from my work since I can't afford to live in the city I work. By the time I clean up and am ready to go out it's already 11pm or later which isn't the easiest to set up plans with anyone (friends included).

Lastly is my hobbies. I have a fee hobbies like music, cars, anime, and a few other things. One issue I have found with these is I kinda turn into a one trick pony when people talk about the subjects (especially cars). I've gotten a lot better then when I was younger as I would border line on autistic focus on the topics when in discussion, but I can still completely just forget the person I'm talking to and there level of interest in said topic that I'm rambling about.

I've tried online dating but if I'm not meeting in person I tend to have issue keeping anyone's attention over text.

I just don't know what to do anymore. At this point I probably am just gonna become some hermit.

Tldr: I'm a large fat guy in my early 20s that hasn't been with anyone. I have no clue how to meet others of the other gender especially in this tech focus world. Any help would be very helpful.