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Used Hyundai Ioniq Electric battery health & degradation data
Last updated: · 2 sourced data points
The original Ioniq Electric hatchback (not the Ioniq 5) has a strong reputation for low degradation, but published data is limited to individual cars so far. Sources: fDrive.cz.
Battery options: 28 kWh (2016–2019), 38.3 kWh (2019 facelift).
All data points
| Variant | Mileage | SoH | Type | Sample | Measured by | Source (date) |
|---|---|---|---|---|---|---|
| Ioniq Electric 28 kWh (2018, car A) | 78,000 km ≈ 48,467 mi |
95.5% | Single car | n=1 | Logged discharge test | fDrive.cz (2022-04-09) 26.7 kWh measured vs 28 kWh nominal (4.5% loss). About 50/50 AC/DC charging. |
| Ioniq Electric 28 kWh (2018, car B) | 224,000 km ≈ 139,187 mi |
96.6% | Single car | n=1 | Logged discharge test | fDrive.cz (2022-04-09) 27.04 kWh measured vs 28 kWh nominal (3.4% loss). ~80% DC rapid charging. |
Data gaps: No large dataset found for v1 (the Ioniq Electric is not in the AVILOO or Carla published model lists). This page needs owner contributions.
What to check when buying a used Ioniq Electric
- Treat the individual-car results below as anecdotes, not averages: two 2018 28 kWh cars measured by fDrive.cz showed only 3.4–4.5% capacity loss at 78,000–224,000 km. (fDrive.cz)
- Compare any test result with the ranges above and with the ADAC rule of thumb: at least 92% at 50,000 km, 88% at 100,000 km, 84% at 150,000 km, 80% at 200,000 km. (ADAC)
Battery warranty (UK)
Hyundai UK: 8 years or 125,000 miles for existing production models first produced before 2020, 8 years or 100,000 miles for new production models; restores at least 70% of original capacity. Check which applies to the specific car with a Hyundai dealer. Source: Hyundai Motor UK, checked 2026-10-20. Always confirm the terms for the specific car with the manufacturer.
Get this specific car tested
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Model averages can't tell you about the car in front of you. An independent battery test (typically a short OBD plug-in test, some remote) gives an SoH figure and often a certificate you can use when negotiating.
- AVILOO – Independent OBD-based battery test (FLASH / Premium) with certificate; available via partners in the UK and EU.
- Generational – UK remote battery health assessment and certificate, used by dealers and fleets.
Prices change – check the provider's site. Provider names are used for identification only.
FAQ
What battery health is normal for a used Hyundai Ioniq Electric?
Published independent data is limited. The best available figure is 95.5% (single-car report only – see table). See the table for every data point and its source.
What is the Hyundai Ioniq Electric battery warranty in the UK?
Hyundai UK: 8 years or 125,000 miles for existing production models first produced before 2020, 8 years or 100,000 miles for new production models; restores at least 70% of original capacity. Check which applies to the specific car with a Hyundai dealer.
How can I check the battery of a specific Hyundai Ioniq Electric?
Use an independent battery test (OBD-based or remote) and compare the result with the ranges on this page. Model averages cannot tell you the condition of one specific car.
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