Hyundai Nexo FE

Fuel cell drivetrain with electric motor. Impressive range, but hydrogen infrastructure and servicing costs are real considerations.

• !! Fuel cell stack premature failure from 100,000 km

  The stack failure rate on the Nexo is significant: over 50% of taxi fleet vehicles required stack replacement; for private vehicles over 20%. Hyundai launched an out-of-warranty compensation programme.

  Symptoms: No power increase despite full throttle, intermittent deterioration, in the worst case no drive at all.
  15,000–40,000 $
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• !! Fuel cell stack failure (recall) from 60,000 km

  From August 2021 Hyundai recalled approximately 15,000 Nexo vehicles due to defective fuel cell stacks. Affected stacks had to be completely replaced.

  Symptoms: Severe power loss, fuel cell warning light, vehicle only operates with restrictions
  0–0 $
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• !! Energy management system fault from 80,000 km

  The complex energy management system of the Nexo, combining fuel cell, buffer battery, and electric motor, can show load distribution errors. Diagnostic faults considerably hamper troubleshooting at independent workshops.

  Symptoms: Warning lights without clear defect, reduced power, unusual buffer battery recharging, limp mode.
  500–3,000 $
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+ 3 more engine weaknesses + vehicle weaknesses