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2023 Hyundai Ioniq 5 — how are owners measuring real battery degradation? — buyer question from Florida

CanyonSeller690Community StarterJun 9, 20262023 Hyundai Ioniq 5 LimitedFlorida
2023 Hyundai Ioniq 5 Limited, about 28,000 miles. Displayed range moves too much with weather and recent driving to be a useful health metric by itself.
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DealFan254Community StarterCommunity StarterJun 9, 2026permalink
This is usually cheaper to test than to guess. Move a coil or plug on the 2023 Hyundai Ioniq 5 if it's cylinder-specific and see whether the code follows. That's the branch I'd chase this week. This is from a 2023 Hyundai Ioniq 5 in Florida with 28,000 miles. Keep sale price, fees, and rate as three different conversations. Not interested in a five-hour wait for a shrug.
QuietSeller995Community StarterCommunity StarterJun 10, 2026permalink
Asking because it changes the advice: Two 2023 Hyundai Ioniq 5s can feel identical and have different causes, so measure before you copy someone else's repair. If the cheap test changes it, stop and reassess. Had a similar mess a couple years ago and that's what finally sorted it. Doing the boring step first on purpose.
FlatSixGuy792Community StarterCommunity StarterJun 9, 2026permalink
Log the conditions before you spend. Loaded-suspension checks on the 2023 Hyundai Ioniq 5 catch play that a wheels-hanging inspection misses. If the cheap test changes it, stop and reassess. On “how are owners measuring real battery degradation?,” that was the fork that mattered for me. This is from a 2023 Hyundai Ioniq 5 in Florida with 28,000 miles. Not gospel, but it saved me a headache. Might be overthinking it, but I'd rather overthink than overspend.
WeekendWrench782Community StarterCommunity StarterJun 10, 2026permalink
Start with the test that can prove you wrong. Loaded-suspension checks on the 2023 Hyundai Ioniq 5 catch play that a wheels-hanging inspection misses. You'll know quickly if you're on the wrong tree. Did the worksheet show tax yet? I'd rather look cautious in this thread than stuck later.
TrackTraveler521Community StarterCommunity StarterJun 10, 2026permalink
If it were in my driveway, if a shop can't duplicate it on the 2023 Hyundai Ioniq 5, bring a video plus freeze-frame data, not just a story. That's the branch I'd chase this week. Learned this the expensive way on a previous car. I'd rather be boring and correct. Next check is the cheap one I can do in a driveway.
ProjectGarageCommunity StarterCommunity StarterJun 10, 2026permalink
This is usually cheaper to test than to guess. If a shop can't duplicate it on the 2023 Hyundai Ioniq 5, bring a video plus freeze-frame data, not just a story. Save the big job until that test fails. Verbal 'we'll take care of it' is not a plan. I'll poke at it this weekend.
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