Hyundai Theta II 2.4L GDI engine

Wow, from a boxy car company back when I was growing up to the New 2010 Hyundai Sonata . Hyundai is proving to be a promising alternative to those wanting to be smart and practical, buying a car.



There's more to just new looks and interior that make a company grow from its humble beginning's. Here at EngineTik were here to explore the world of mechanical wonders, from the point of view of just your average joe with an interest. I'm not here to be the expert of such a topic, but just share a common interest with others I hold in this ever so evolving world. You can use it for knowledge to just have or understand your own car even better. Today we explore the Theta II 2.4L GDI engine. Hyundai's premier into a new realm of efficient Gasoline engines. Don't just think that Diesel is your next option. Look no further to GDI(Gasoline Direct Injection)



The Theta II GDI 2.4L starts life with a simple problem, How to make more of a daily aging gasoline combustible engine. The US is faced with gas prices that for many, causes them to think twice on filling the tank up completely, or just putting in enough to get you from point A to B while still being able to save. Hyundai engineers at the U.S facility decided that with technology like GDI being widely used, Hyundai could come up with an engine that could use the technology, address MPG and be wrapped up in a package that would make it reliable and inexpensive. For being a first try with GDI Hyundai is pushing the standard. Theta II has been beaten senseless in every way you can imagine. Major upgrades and unique technology have found their way into the new generation. Among some are the Unique Block architecture( all aluminum), Valve train, intake manifold, pistons, Rods, crankshaft, and the very interesting Variable Induction System. The power plant delivers 200hp 6300rpm's and 186trq at 4,250rpm. This is all thanks to a Direct Injection system (150bar or 2175psi injection). Also, compression ratios improve from 10.5:1(Theta I) up to 11.3:1 in this latest generation. Competition of engines in its class come from GM's Ecotec 2.4L I4 that only produces 174hp, and VW's 2.5L 170hp@5700 177trq I5(MPG ranging 27-32) just to name a few. Estimated MPG is 10% over the current offers(35mpg, EPA cert still pending).

Hyundai definitely has something good for this next coming year. A brand new engine to power most of the cars, including small SUV's with the Theta II 2.4L. Take in consideration the 146 million Hyundai invested into this engine. Hyundai has also been able to keep strong sales, while others are having to cut back. So the next time you are out shopping for a car, take in consideration of all. It will be the best thing you've done for your money and the Wife, LOL.


What are you opinions on this engine or similar technologies on others? Will Direct Injection extend or pro-long the life of the petrol engine? Will Hyundai be well received for their efforts? When you think of Hyundai, what is your thought? Is there other potential, aftermarket wise? Would a turbocharger complement the Theta II?


What Questions do you have to share? Critics, where are you??? Come on.... where's the engine in you? Thanks for your inputs.