Which one tends to last longer, easier to maintain?
The regular gas engine (NA) will. It’s why for longevity I recommend people to buy an NA engine, if possible.
You can still buy a turbocharged engine, but you must know what you are getting yourself into and prepare for it. See excellent sticky written by one of your members:
https://carkiller.com/scottykilmer/qa/article-turbocharged-engines/
Naturally aspirated one is less complex, cheaper to buy, easier and cheaper to maintain and you don't have to idle it some minutes before turning it off.
Regular engines always last longer. Not to say turbo engines done right won't last a long time. But turbos put additional strain on the motor and cause parts to wear out faster.
On the upside though, they do provide a nice power punch and are more fun to drive.
Turbos make the engine more complicated. More things to maintain.
