The Hyundai S engine is Hyundai

Hyundai Motor Company

Hyundai Motor Company is a Korean multinational automaker based in Seoul, South Korea which, along with Kia, comprises the Hyundai Kia Automotive Group, the world's fourth largest automaker as of 2009. As of 2011, it is the world's fastest growing automaker for two years running...

's first V6 diesel engine. This engine has a displacement of 3.0l.

3.0 litre

This engine makes 237 hp at 3800 rpm and 333lb.-ft. of torque at 1700-3500 rpm. This engine is planned to make 20 mpg city, 30 mpg highway. This engine is supposed to pass the US Emissions Standards and will probably be available in the Hyundai Veracruz in 2010.http://forums.motortrend.com/70/6470999/the-general-forum/diesel-hyundai-coming-to-states-in-2009/index.html