¡¡¡¡The new-type 4-cylidner, 16-valve, in-line and double over-head camshaft electronic injection ZR engine equipped on VIOS Sedan adopts newly-developed dual VVT-i technology, for which the continuously variable control of intelligent timing can be conducted for the intake valve and exhaust valve through computer signals in accordance with running conditions such as engine speed, accelerating condition, etc, this not only can ensure full fuel combustion and reduction of emissions of harmful gas, but also realize adequate torque output at medium and low speed and outstanding power output at high speed.

¡¡¡¡Newly-developed double VVT-i (Variable Valve Timing-intelligent System) powerful engine realizes outstanding dynamic performance, of which acceleration process is more smooth and sable, bringing about distinguished operational stability, stable and comfortable seating experience by equipping with new-type suspension system, so to speak having both ¡°Driving¡± and ¡°Seating¡± pleasure¡±. Meanwhile, the application of technologies of low-friction, electronic throttle valve and whole new valve ensure excellent fuel economy and emission level to meet Euro IV Emissions Standard.