No idea how long it is (i’d assume either 3m or 5m) – but no. You can never extend any charging cable with a regular extension.
Prior: SEAT Ateca Xcellence Lux 1.5 TSI DSG MY19, VW Golf GTE PHEV DSG MY23
Current: Hyundai Ioniq 6 Ultimate
Next: we'll see what's available in 2028.
