I’ve never worked on any car in my life. That’s what garages are for.
I’m not sure what you mean by life?
If you mean how old? One is 1 year old, the other two years.
For life expectancy, there are Tesla taxis approaching 500K miles and over 10 years old. I think the things that will “go wrong” with EVs will be peripheral components rather than the motor or batteries.
As I said EVs are a paradigm shift. If you want to “work” on cars there will be plenty of classic petrol cars around for years to come. If you don’t want to “work” on cars, then EVs just work.