2018–2020 Hyundai Kona Electric
Browse our directory of 2018–2020 Hyundai Kona Electric vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2018–2020 Hyundai Kona Electric has 3 known issues. 2 of these are classified as serious faults that could be expensive to repair. 1 are moderate concerns worth inspecting before purchase.
Reduction Gear Noise
SeriousA "clicking" or "tapping" sound that increases with speed can indicate a problem with the reduction gearbox or motor bearings.
Symptoms: Tapping sound when accelerating or decelerating, Whirring noise at motorway speeds
Est. repair cost: £1,000–£3,000 (Warranty)
High-voltage battery fire risk (recall)
SeriousApproximately 77,000 Kona Electrics worldwide were recalled due to battery cells manufactured at LG Energy Solution's Nanjing plant. A folded anode tab could allow internal short-circuiting and fire risk. Over a dozen fires were reported globally. Hyundai replaces the entire battery pack free of charge under recall — cars built with SK Innovation batteries at the Czech Republic plant were not affected.
Symptoms: Recall notice or dealer letter, Battery warning light on dashboard...
Est. repair cost: £0 (Recall)
12V auxiliary battery drain
ModerateThe small 12V battery that powers ancillary systems can drain within days of inactivity, leaving the car completely dead despite a full main battery. The standby draw depletes the 44Ah battery quickly, and repeated deep discharges shorten its lifespan. A BMS software update (TSB 24-01-090H) addresses the worst drains, but some owners still carry a jump pack.
Symptoms: Car completely unresponsive after 2-3 days parked, Dashboard warning: "Battery discharge warning"...
Est. repair cost: £90–£250
Buying Tips for the 2018–2020 Hyundai Kona Electric
- ✓CRITICAL: Check the recall history for the "High Voltage Battery Replacement".
- ✓Listen for a "clicking" or "tapping" sound from the front motor/gearbox area (reduction gear issue).
- ✓Verify the 12V battery health, as "vampire drain" can occur.
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