It is known that in the early day, quite a number of Korean passenger car is using the Japan made engine, such as the old model of Hyundai Sonata use dffrent type of Mitsubishi 4G63 engine, Kia Sephia is using Mazda B6-D type of engine, and old model of Kia Sportage is using Mazda FE type of engine.
With the improving of automotive technologies in Korea, their research team start to design their own engine, but most of them still modified from the existing type of Japan engine, they might modified the Valve Cover design, or design in Intake and Exhaust area.
Please find the article below from http://www.paultan.org/ which introduce the newly launch Naza Rondo 7 seater SUV, which have some interesting point in their engine specification.
Naza Kia Sdn Bhd has launched the new Naza Citra II Rondo in Malaysia. The Naza Citra II Rondo is essentially the Kia Rondo which is the replacement model for Carens that the Naza Citra is based on. The Citra will continue to be sold as a budget 7-seater SUV, and the new Naza Citra II Rondo will be positioned between the Citra and the Ria, bringing Naza Kia's 7-seater offerings up to 3 models.
According to Naza Kia, the new Rondo is built on the D-segment new Kia Optima platform and also share the Optima's sweet new GEMA-based 2.0 liter DOHC CVVT engine producing 145 horsepower and 189Nm of torque, mated to a 4-speed automatic transmission with sequantial manual shifting. The GEMA engine is a joint project between Daimler Chrysler, Hyundai and Mitsubishi. The 4B11 in the Mitsubishi Lancer is also based on the GEMA family.