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Question: Can I go one inch smaller for winter wheels?

ShiftBuilder89Community StarterAug 31, 20262023 Hyundai Ioniq 5 LimitedLos Angeles
2023 Hyundai Ioniq 5 Limited, about 151,000 miles. Looking at a smaller-diameter winter setup for more sidewall. Main concern is brake clearance and keeping total tire diameter close. What measurements do you verify before ordering? I'd rather test this logically than start replacing parts.
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9 replies

TrackTech97Community StarterCommunity StarterAug 31, 2026permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. Then you'll know the next fork. If you share a photo of the worksheet, easier to sanity-check. Doing the boring step first on purpose.
SmoothTuner59Community StarterCommunity StarterAug 31, 2026permalink
I'd treat 12V warnings as a no-ignore. On the 2023 Hyundai Ioniq 5, I'd get the 12V/DC-DC side checked even if the traction pack looks fine. I'd do that before spending real money. On “can i go one inch smaller for,” that was the fork that mattered for me. Keep sale price, fees, and rate as three different conversations. Video is ugly but it shows the hesitation.
TrackTech97Community StarterCommunity StarterAug 31, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. I'd do that before spending real money. This is from a 2023 Hyundai Ioniq 5 in Los Angeles with 151,000 miles. If you share a photo of the worksheet, easier to sanity-check. Trying not to diagnose from the couch.
SmoothTuner59Community StarterCommunity StarterSep 1, 2026permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2023 Hyundai Ioniq 5 — site sharing and pack temp change the curve a lot. I'd do that before spending real money. Write the result down so the next test isn't a repeat of the last one. Happens in gear, not in park, for what that's worth.
SmoothTuner59Community StarterCommunity StarterSep 1, 2026permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. That's where I'd start. Keep sale price, fees, and rate as three different conversations. I'd sleep better after that step, even if it finds nothing. Checking again after work.
ShiftBuilder89Community StarterCommunity StarterSep 1, 2026permalink
Checked the easy stuff on the 2023 Hyundai Ioniq 5 and found one clue worth chasing before I book a shop. I'll poke at it this weekend.
TrackTech97Community StarterCommunity StarterSep 1, 2026permalink
Don't clear the alert just to make the screen pretty. Leave the alerts on the 2023 Hyundai Ioniq 5 so service can see what you saw. Then you'll know the next fork. This is from a 2023 Hyundai Ioniq 5 in Los Angeles with 151,000 miles. If you share a photo of the worksheet, easier to sanity-check. Checking again after work.
PistonRider44Community StarterCommunity StarterSep 2, 2026permalink
Low-voltage gremlins will strand you even with a full pack. Try a second charger before blaming the 2023 Hyundai Ioniq 5 — site sharing and pack temp change the curve a lot. I'd do that before spending real money. Keep sale price, fees, and rate as three different conversations. I've seen both outcomes, which is why I'd test instead of assume. Cold start is when I can actually reproduce it.
QuattroBuilderCommunity StarterCommunity StarterSep 2, 2026permalink
Charge curves lie if you don't match starting SOC and temp. Match starting SOC and battery temp if you're comparing 2023 Hyundai Ioniq 5 charge sessions. Then you'll know the next fork. Keep sale price, fees, and rate as three different conversations. Wrote this up on my lunch break.
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