I've been meaning to write up a blog post on this rivalry -- 1911 or Glock -- for some time. I may have already written a piece on it here at DCHI, but here's my current take. I have owned both a used Colt (Model 1911) Series 80 in 45 ACP, and a used Glock model 22 (Generation 2) in .40 S&W. I still have the Colt, although I am selling it on GunBroker. While I sold the Glock years ago because I had a negligent discharge, I would not hesitate to buy another one.
The reason I mention these two guns specifically is they represent two examples of "fanboy-ism" and the two ends of the spectrum of complexity. The 1911 has about 85 parts, and the Glock 17 has 36 parts. Ask yourself: Which is more likely to break down? RIGHT, the 1911.
About the 1911: It has been manufactured by Colt (the original builder of genius John Moses Browning's design) since 1911 for both the military as the M1911 and the M1911A1 since then. Nowadays, you can spend as little as $500 (Armscor, while made in the Philippines is highly regarded for its quality) or $1,000 (Springfield Armory; see below). Also see the YouTube video by Funker Tactical, "Four Reasons I No Longer Trust the 1911 With My Life."
If you hang out at gun stores enough, you'll hear a guy insist, The 1911 is the best gun, and that'll be the end of his "thinking" on the matter. If you're interested in learning more, I suggest you watch some YouTube videos, especially Hickok45, God, Guns, and Family, and MAC (Military Arms Channel). Also, read and reread these articles from the New Jovian Thunderbolt blog and Gun Nuts Media (Caleb Giddings).
I also owned a Springfield Armory(R) brand 1911, their Loaded model. It was awesome, and I regret selling it. It had everything you could want standard that most people spend up to $1,000 to be added on: ambidextrous safety (debatable as to whether that's a positive), tritium sights, beavertail grip safety, titanium firing pin, and much more.
About the Glock: It's been manufactured by Gaston Glock's eponymous company since 1988. Mr. Glock was not a engineer or gun maker before he figured out how to build one of the most reliable and well-loved guns in the world. Starting with the Glock 17 (his 17th patent) in 9mm, his range of guns includes the following calibers: .380, 9mm, 10mm, .357 SIG, .40S&W, .45 ACP, and the .45 GAP round. I owned a police trade-in gun in .40 S&W, the model 22. I found that the round was very snappy (the technical term is "sharp recoil impulse"), but it worked really well.
The sights were off, so until I figured that out, I had a hard time being accurate with it. Normally, the unique hexagonal-design barrel of the Glock is very accurate. I also failed to completely disassemble it. If I had done so, I would have learned how filthy it was. It was a testament to its robust design that it never "hiccuped" on my -- it fed, extracted, ejected just fine no matter what kind of ammo I put through it. While I don't own one now, I pledge to buy one by the end of 2019 and use it to compete in GSSF matches for cash and gun prizes.
I found that I wasn't ready for a non-manual-safety gun after I fired it into the wall of my basement office. Thanks to my strict observance of the Four Rules of Gun Safety, no one was hurt except my ears and pride. (The simpler version of the "Four Rules" is courtesy of the NRA; click here).
Since then, I've carried a Smith & Wesson M&P FS (full-size) 9mm. You can buy the M&P 9mm in FS or long slide variants, M&P Compact, and in multiple calibers: .380, .40 S&W and .45 ACP. If I had to do it again, I would buy the model without a manual safety for its ease into getting it into the fight without thinking about a safety. Not to knock the safety, but if it's engaged by ACCIDENT, and if you don't train to automatically sweep it off as you draw, you may find yourself trying to fire a gun on "safe" (NO BANG). That could get you killed.