Kia is to reveal its next range of three and four cylinder turbocharged GDI (Gasoline Direct Injection) engines at the Geneva Motor Show this week.

A special powertrains display on the Kia stand will preview four new engines for the 999cc-1,998cc displacement range which is currently being developed in Korea for use in future models.

Kia says the engines embrace the growing automotive industry trend towards smaller capacity, higher efficiency units that consume less fuel and emit fewer emissions – while still delivering responsive performance.

Depending on the engine, features will include: DCVVT (dual continuously variable valve timing – for both intake and exhaust systems), high pressure direct injection (up to 200 bar through a six-hole injector), exhaust-manifold integrated low-inertia single-scroll or twin-scroll turbochargers, an air-guided inter cooler (with innovative ducting which doubles air flow and improves cooling performance), a separated wall exhaust manifold which reduces exhaust back pressure, enhanced oil injection to decrease piston temperature for improved durability, and tumble-enhanced intake ports for more efficient combustion.

Kia’s powertrain display features a three-cylinder turbocharged Kappa 1.0 T-GDi unit that develops either 100 ps or 120 ps – the same as the current four-cylinder unit and a 10-to-15 per cent fuel efficiency improvement, Kia claims. The new Kappa 1.2 T-GDi is a four cylinder turbocharged 1,248 cc unit which promises a similar performance to current 1.6-litre units, Kia says.

he Gamma 1.6 T-GDi has four cylinders. It is a 1,591 cc turbocharged unit that generates 204 ps and 265 Nm of torque. The new Theta-ll, 2.0 T-GDi is a turbocharged four cylinder engine, with a capacity of 1,998 cc and produces up to 245 ps.

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