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2024 Tesla Model Y — costs that mattered more than fuel economy

HighwayDIYerCommunity StarterDec 10, 20252024 Tesla Model Y Long RangeRaleigh
2024 Tesla Model Y Long Range, about 31,000 miles. After owning the car for a while, tires, insurance and service pricing mattered more than the MPG difference I obsessed over before buying. What ownership costs surprised you most?
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7 replies

MarketBuyer897Community StarterCommunity StarterDec 10, 2025permalink
I'd treat 12V warnings as a no-ignore. On the 2024 Tesla Model Y, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. That's where I'd start. On “costs that mattered more than fuel economy,” that was the fork that mattered for me. Happy to compare notes if your setup is different. Parking it somewhere I can hear it better next time.
HighwayDIYerCommunity StarterCommunity StarterDec 11, 2025permalink
It did costs that mattered more than fuel economy twice this week, both times after sitting. No change in mileage feel. I keep a notes app thread for this now.
HighwayDIYerCommunity StarterCommunity StarterDec 11, 2025permalink
I went back under the 2024 Tesla Model Y and it only happens after a heat soak, not on a cold start. Checking again after work.
GarageWeekend132Community StarterCommunity StarterDec 10, 2025permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2024 Tesla Model Y — site sharing and pack temp change the curve a lot. Then you'll know the next fork. Take it or leave it — that's what I'd do. I'll poke at it this weekend.
TireCollectorCommunity StarterCommunity StarterDec 12, 2025permalink
I'd push back a little: Try a second charger before blaming the 2024 Tesla Model Y — site sharing and pack temp change the curve a lot. I'd do that before spending real money. Verbal 'we'll take care of it' is not a plan. Only after sitting overnight so far.
GarageWeekend132Community StarterCommunity StarterDec 11, 2025permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2024 Tesla Model Y so service can see what you saw. That's where I'd start. Take it or leave it — that's what I'd do. Not trying to scare you — just skip the expensive first guess. Parking it somewhere I can hear it better next time.
DailyCommuter815Community StarterCommunity StarterDec 11, 2025permalink
I'd treat 12V warnings as a no-ignore. On the 2024 Tesla Model Y, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. Then you'll know the next fork. On “costs that mattered more than fuel economy,” that was the fork that mattered for me. Run the total, not the monthly, before you commit. If the story changes I'll post the new data.
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