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Used Kia e-Niro / Niro EV battery health & degradation data
Last updated: · 3 sourced data points
The Kia e-Niro topped Carla's 2026 Swedish ranking of battery health after more than 100,000 km (97.25% average). Sources: Carla AB.
Battery options: e-Niro 39.2 kWh and 64 kWh (2019–2022); Niro EV 64.8 kWh (2022+).
All data points
| Variant | Mileage | SoH | Type | Sample | Measured by | Source (date) |
|---|---|---|---|---|---|---|
| e-Niro 64 kWh | >100,000 km ≈ 62,137 mi |
97.3% | Average | n/a | AVILOO test (dealer) | Carla AB (2026-07-08) Average of tested cars with more than 100,000 km; sample size per model not published. |
| Niro EV 64.8 kWh | avg 45,762 km ≈ 28,435 mi |
98.1% | Average | n=82 | AVILOO quick test (dealer) | Ny Teknik / Riddermarks Bil (2026-06-18) 100% of tested cars above 90% SoH. Mileage is the average of tested cars. |
| e-Niro 64 kWh | avg 84,685 km ≈ 52,621 mi |
96.2% | Average | n=207 | AVILOO quick test (dealer) | Ny Teknik / Riddermarks Bil (2026-06-18) 99.6% of tested cars above 90% SoH. Mileage is the average of tested cars. |
Data gaps: Independent data covers the 64 kWh pack; no separate data for the 39.2 kWh version yet.
What to check when buying a used e-Niro
- Riddermarks: 99.6% of e-Niro 64 kWh cars tested were above 90% SoH (average 84,685 km). (Ny Teknik / Riddermarks Bil)
- 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)
Kia UK: EV battery covers a minimum capacity of 70% for 84 months / 100,000 miles (cars registered up to 31/12/2023) or 96 months / 100,000 miles (registered from 01/01/2024), whichever comes first. 26MY-on terms: 80% for 60 months/60,000 miles and 70% for 96 months/100,000 miles. Source: Kia 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 Kia e-Niro / Niro EV?
Published independent data is limited. The best available figure is 97.3% (average after >100,000 km, Carla 2026 (Sweden)). See the table for every data point and its source.
What is the Kia e-Niro / Niro EV battery warranty in the UK?
Kia UK: EV battery covers a minimum capacity of 70% for 84 months / 100,000 miles (cars registered up to 31/12/2023) or 96 months / 100,000 miles (registered from 01/01/2024), whichever comes first. 26MY-on terms: 80% for 60 months/60,000 miles and 70% for 96 months/100,000 miles.
How can I check the battery of a specific Kia e-Niro / Niro EV?
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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