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For every modern car I had or used in the last 20 years, the engine itself never was a problem, other than the regular maint, oil, filters, belts, plugs, cables...

Now, electronics problems, albeit relativelly rare, were far more common and fucking expensive.

And then, but this more due to the state of modern roads and streets than the car themselves, suspension issues.

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The magic of an engine is less in how it operates, and more in how it was built. At least around the time they started showing up, manufacturing lots of precision metal parts was not trivial.

Although modern electronics take this further, with both operation and construction being utterly complex.

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One of my vehicles is a 2009 Civic. It continues to amaze me that with minimal maintenance, that 17-year-old vehicle will fire right up with the turn of a key, with hundreds (thousands?) of parts moving in a specific way, many of them with tolerances in tiny fractions of an inch.
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2010 MB C300 I bought in 2013 from a dealer after the lease expired, parked outside without a garage or cover since then (Virginia).

About 3 years ago a large branch (about 8" diameter) from an old overhanging tree fell right on the transparent sunroof cover and shattered it into a million pieces. After picking them out of the sunroof mechanism (which no longer worked after the impact) and the inside of the car, I covered the opening with several sheets of magnetized vinyl. Works great, never a drop of water inside since then and it's stayed in place without any attention. Temperature control inside the car at rest or while driving at highway speed is like it was before the damage.

Being old now I never go anywhere since I can get stuff delivered. About every 3 weeks I go out and the car starts right up, I drive a 5-mile loop to circulate the oil and then park it for another 3 weeks. Been doing this for years. I do get an oil change annually.

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