Q. What is the difference between K series engine and Vtvt engine - Swift Dzire?

This dual vvt engine is used in renault triber cars. So 1000cc no doubt its energy engine which provides good mileage adequate pickup and smooth performance than ordinary k10b n other normal 1000c engines.

VVT means -- Variable valve timing, The valuve lifts for combustion in required times to conserve fuel & Optimize performance.VVT engine is superior than K series engine in emission norms