I've had my ev 5 years. I've had the tires changed and had the windshield replaced because it got a chip in it.
There are barely any moving parts to make the thing go. No waste heat or slamming around of pistons to worry about. At one point I quite literally forgot cars need maintenance because with an EV, it's just not a thing (largely).
The idea that ICE vehicles are even on the same planet as EVs in terms of reliability and maintenance is utterly laughable. It's very very very simple. Fewer moving parts, no waste heat to manage, no pumps or multiple fluid systems, so no seals and gaskets.
The batteries in most EV’s need some kind of passive or active cooling. Some cars are using liquid cooling.
Tesla, BMW i-3 and i-8, Chevy Volt, Ford Focus, Jaguar i-Pace, and LG Chem’s lithium-ion batteries all use some form of liquid cooling system. Since electric vehicles are still a relatively new technology, there have been problems maintaining temperature range and uniformity in extreme temperatures even when using a liquid cooling system.
That’s not a reason to not get an EV but they all have some form of waste heat and some have fluid systems, pumps, gaskets, and seals. They just have less of all of it.
That and suspension components still need to be greased. Plus electric cars tend to be a little heavier, often time with large wheels, meaning more wear and tear.