Lexus Ireland says it is the only vehicle of its kind to fall into CO2 tax band C (€302 annual Road Tax), thanks to its emissions level of 148g/km.
It can now drive for up to four kilometres at less than 45km/h on electrical power alone, producing no emissions.
The vehicle is available in an Executive and a Sport grade at €62,000 and €68,400 respectively.
The Executive grade is a new entry level.