Jump to content
Create New...
  • 💬 Join the Conversation

    CnG Logo SQ 2023 RedBlue FavIcon300w.png
    Since 2001, Cheers & Gears has been the go-to hub for automotive enthusiasts. Join today to access our vibrant forums, upload your vehicle to the Garage, and connect with fellow gearheads around the world.

     

  • William Maley
    William Maley

    The Debrief: Hyundai's GDCI Four-Cylinder Engine

    William Maley

    Staff Writer - CheersandGears.com

    November 15, 2013

    Imagine taking the benefits of a diesel engine and using that for a gasoline engine. Well Hyundai is doing just that. During a media briefing at the company's Technical Center in Superior Township, MI, Hyundai gave us the preliminary details on their GDCI (Gasoline Direct-Injection Compression) engine.

    The goal with the GDCI engine is to "achieve diesel levels of fuel efficiency with conventional gasoline," said Nayan Engineer (Yes, that is his real last name), Hyundai's manager of engine design and testing. Other goals of the engine that Enginner outlined is that it will offer "equal to better performance than conventional gasoline engines" and a "lower system cost (than) diesel engines."

    So how is Hyundai planning to pulling this off? Well it begins with the combustion cycle. Much like a diesel engine, the GDCI engine will use high compression (14.8:1 in this case) to ignite the fuel. There is also a set of exhaust valves that open twice per cycle to let heat in to help in the combustion cycle.

    The GDCI engine also features a twincharging setup. A mechanical supercharger helps boost power on the low-end, while turbocharger takes over on the high-end.

    How much power does the GDCI engine produce? Well, a 1.8L four-cylinder GDCI engine can produce 180 horsepower on a engine dyno. The engine currently has a redline of 4,500 rpm, so it will act and possibly sound like a diesel engine.

    The GDCI is currently being worked by Hyundai, Delphi, and the University of Wisconsin. Hyundai hopes to begin testing the engine in vehicles sometime next year. When asked if we'll see this engine in production, Engineer said that it will arrive "not too distant future." Our guess, maybe sometime within the next ten years.

    William Maley is a staff writer for Cheers & Gears. He can be reached at [email protected] or you can follow him on twitter at @realmudmonster.

    User Feedback

    Recommended Comments

    It's a shame that GM was never able to bring their HCCI engine to market. They had prototypes running back in 2008. This Hyundai engine sounds very similar to the GM HCCI.

    That was actually brought up during the presentation. The problem with HCCI was GM wasn't able to get the power needed and there was concern of engine damage due to pressure needed to ignite the gas.

    Link to comment
    Share on other sites

    Guest MICHAEL ROSENBAUM

    Posted

    HCCI was not only compression ignition (CI) but also homogenised charge, As the speed of an engine is usually controlled by changing the fuel mix and quantity supplied to the engine and ignition timing, and these seem to be compromised at the least by HCCI, then it would seem that such an engine would be mostly set at a constant speed, with vehicle speed being more dependent on an advanced transmission such as an IVT.

    I wonder if the GDCI might have a similar issue, albeit the homogenous charge aspect may well be different.

    Link to comment
    Share on other sites



    Join the conversation

    You can post now and register later. If you have an account, sign in now to post with your account.
    Note: Your post will require moderator approval before it will be visible.

    Guest
    Add a comment...

    ×   Pasted as rich text.   Paste as plain text instead

      Only 75 emoji are allowed.

    ×   Your link has been automatically embedded.   Display as a link instead

    ×   Your previous content has been restored.   Clear editor

    ×   You cannot paste images directly. Upload or insert images from URL.




  • Support Real Automotive Journalism

    Cheers and Gears Logo

    Since 2001, Cheers & Gears has delivered real content and honest opinions — not emotionless AI output or manufacturer-filtered fluff.

    If you value independent voices and authentic reviews, consider subscribing. Plans start at just $2.25/month, and paid members enjoy an ad-light experience.*

    You can view subscription options here.

    *a very limited number of ads contain special coupon deals for our members and will show

  • Similar Content

  • Posts

    • Its simple capitalism.   More precisely to say though...its GREED. And because this is happening in the US in 2025, and to be fair it is reciprocated here in Canada, and this phenomenon has been in effect since the 1980s, its CORPORATE GREED since both of our countries have made ourselves servants and lackeys  to these corporations. We abide by everything they tell us through their shytty adverts. We have stopped patronizing mom and pop shops etc...   And when Trump was tooting tariffs as his election campaign, the democrats warned of such dangers about corporate greed...about how tariffs work (the citizen pays the tariff and not the country as its a fancy word for tax and how corporations will augment the un-tariffed product to be closer in sales price as the tariffed product...  But, Harris and her party were all doom sayers.   And she has a weird laugh on top of that.  And the talk went on to be about how they are eating the dogs and they are eating the cats...     Basic education is terrible in the US.  And its by design as a certain political party in the US (and Canada to be fair but the tactic is less successful as Canadians are more community oriented)  defunds education every time they go into power. Its also by design that in today's world, the two most northern countries in North America choose to glorify ignorance and vilify knowledge and education. To a lesser extent up here in Canada for whatever reason.  Canadians in general continue to value enlightenment.     Critical thinking skills be shrinking in the US of A.   Liittle catchy slogans is what grabs attention though.  They are eating the dogs and eating the cats.  We did have something similar in Canada though.  Trudeau has nice hair was our cat/dog moment 10 or so years ago.  But Trudeau won.  And if it wasnt for Doge, Musk, tariffs, Epstein, 51st state rethoric, 36 counts of felonies, we too, be having our Maple Maga movement.  But...education is a priority up here in Canada still...      
    • AGREE!!! Dating myself, but back in the late 70's/early 80's I worked at the cinema and was the snack bar shift lead. One of the basic tests to get a position and make more money was those that worked the snack bar had to be able to do basic math in their head. I would daily have to test them by placing random order of products and they had to add it up in their head and then based on the cash received give back proper change but a requirement here in Washington state was to count it back so as a simple example. You order up $13.50 in food, give them a $20 dollar bill and they would have to count it back as food, $13.50, two quarters make it $14, a one makes it $15 and a five makes it $20 so they know they got the correct change. Today, go to any store and most struggle to look at the screen and figure out the proper change to give back and then they just hand you a pile of coin and paper without counting it back to ensure it is proper.  Basic math in America is terrible.
    • Yep. We're already not in a great place because of the tariffs, but companies are absolutely taking advantage of that and charging so much more than the tariff itself and then claiming it's raised because of tariffs. It's as if they don't think people understand how to do math.  Then again, in all fairness, most people don't know how to do simple math. So, there is that.
    • Agree with 15% on items from Ireland, it is crazy the price gouging that is going on. Retail grocery stores are even worse I see for items like Kerrygold butter.
  • Who's Online (See full list)

    • There are no registered users currently online
  • My Clubs

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.

Hey there, we noticed you're using an ad-blocker. We're a small site that is supported by ads or subscriptions. We rely on these to pay for server costs and vehicle reviews.  Please consider whitelisting us in your ad-blocker, or if you really like what you see, you can pick up one of our subscriptions for just $1.75 a month or $15 a year. It may not seem like a lot, but it goes a long way to help support real, honest content, that isn't generated by an AI bot.

See you out there.

Drew
Editor-in-Chief

Write what you are looking for and press enter or click the search icon to begin your search