I've found lots of Total Cost of Ownership calculations on the internet for both the MS and comparable ICEs. However, almost all of them look at a relatively short time frame. I drive all my cars until they die, and I can't imagine selling my MS, so depreciation is meaningless to me. All I care about is purchase price (with interest if financed), maintenance, repairs, insurance, and fuel. I'm working on a detailed TCO spreadsheet that I'll share with the group soon, including the increasing price of gas and the fact that owning a MS is going to change your driving habits!
However, my biggest hangup is I really don't have a good idea of the lifetime (~15 year) maintenance & repair costs of an ICE or Tesla:
1) What's a realistic normalized annual maintenance cost of a comparable ICE? Prefer to comparable to something super reliable, like a Lexus.
2) Should I assume that maintenance on the MS is just $3800 for 8 years, plus tires every 20k-30k miles? How much are the MS tires? Are there additional maintenance costs? How mucha after the 8 years are up?
3) How about repairs? Assume no accidents, just if something "breaks". Is this rolled into the ICE maintenance from (1), and if not, what's a typical allocation? How about for the MS, after the warranty expires?
I typically say that "maintenance & repairs" for an ICE is around $1k/yr. How realistic is this?
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