surprised by comments given by some people...... before i enter the highway i reset the meter (may be in kottawa town)and stayed few minutes outside the entrance gateway (kottawa makumbura) waiting for my cousin's vehicle that's why average speed went down to 60 km per hour,,but 175kmh touched within the first km on the southern highway.i driven this car 40000km+ plus for last two years,,and i also own nissan sunny n16,corolla 121 nissan sunny needs 8000 rupees of petrol to colombo-nuwara eliya-hakgala- NEliya city tours and back to colombo....corolla 121 need around 7000 rupees both are auto transmission. but this 3rd generation prius needs less than 2500 rupees of petrol for colombo-nuwara eliya-hakgala- few NEliya city tours and back to colombo(aggresive driving).E-CVT synergy Drive... so conclusion i think toyota made this machine a marvelous piece of engineering technology.it's not a luxury car it's a average sedan car with future technology srilankan government gave some tax concession for hybrid cars ,i think people have to take this opportunity to buy more and more hybrid cars.
news item "as of October 2012, a total of 2.8 million Prius have been sold worldwide..."