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2009 Infiniti G37x S Sedan – Click above for high-res image gallery

We've all been wondering exactly what flavor of fruit the Daimler AG/Renault-Nissan mash-up would bear, and now it looks like we may have our first answer. Starting soon, the Infiniti G will boast an efficient four-cylinder engine borrowed straight from Mercedes-Benz. AutoWeek reports that Nissan head-honcho Carlos Ghosn confirmed the news himself, though so far we have no indication of exactly which four-pot will make its way into the Japanese sedan or when it will be available to buyers.

The suits at both Infiniti and Mercedes-Benz don't seem to be too concerned about the new four-cylinder G robbing sales from the Silver Arrow. Ghosn said that customers typically don't cross-shop the two brands at all. Instead, Infiniti will benefit from having a new efficient option for buyers that will help the company meet impending fuel standards, and Mercedes-Benz will move more powerplants than before. Win, win.



[Source: Auto Week]


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  • 35 Comments
      • 4 Years Ago
      Why couldn't Nissan give us the VQ25 powered G25 that is offered the JDM model? I hear that gets in the mid 30s in mpg(forget if it was on a JP or EU cycle).
      • 4 Years Ago
      I still say that Infiniti does not need a 4 cylinder in their lineup. What they need is perhaps a Q60 with a 6.0L V12 developed in house. I hate all this engine downsizing that is going on in the industry, this is why I was very happy to see Infiniti drop in a 5.6L naturally aspirated V8 in the new M56, brilliant.
      • 4 Years Ago
      I have mixed feelings about this.
      • 4 Years Ago
      NICE WAY TO DESTROY A NISSAN Engine !!! PUT ON IT A VERY CRAPY ENGINE LIKE MERC ones ...
      ...if you make legendary engine like SR20, RB26, VK38...etc...why you need somthing made of bad engeneering from merc???
        • 4 Years Ago
        You have absolutely no idea what you are talking about. Just do some research online and Mercedes-Benz engines actually have awards. They make some of the best engines on the planet, especially 4-cylinders and diesels.
      • 4 Years Ago
      IT APPEARS THAT mb IS AT IT AGAIN. "DR." ZETSCHE RAPED CHRYSLER, AND NOW GOHSN HAS "OPENED" HIS COFFERS. ARE FRANCE AND JAPAN READY TO BAIL OUT WHATS GOING TO BE LEFT?
      • 4 Years Ago
      Why would Nissan even mess with the G anyway?
      • 4 Years Ago
      Have never been impressed with any of MB's 4 cylinders except for the 2.3 16v in the 80's 190E 16v, whereas Nissan and Renault have had some great 4 cylinders, so not sure about this decision.
        • 4 Years Ago
        Worse is that mb also will provide v6 engines to infiniti
      • 4 Years Ago
      This would make sense if Nissan didn't already have a half-dozen 4cyl. engines in-house to choose from. The 2.5 from the Altima/Sentra SE-R would work. Or hell, resurrect the SR20DET.
        • 4 Years Ago
        I hate to correct such a pretty face, but Motor Trend and Consumer Reports both recently called it one of the smoothest 4-cylinders on the market. The CVT is neither here nor there as (thankfully) Infiniti is avoiding that annoyance.
        • 4 Years Ago
        EXACTLY!...
        • 4 Years Ago
        A lot of car reviewers seem to feel that the 2.5 is one of the crappiest engines on the planet. It is the antithesis to the VQ... nearly every car review I have read for a vehicle with the 2.5 cites as being a clattery, lurchy, rough, and about as unrefined as it gets, and insisting that people try and do what they can to get the 3.5 instead.

        And finally, it's only efficient when mated to the CVT transmission, and even then Every Other Car Company is beating it... and the whole point of the swap is efficiency.

        The only place the 2.5 makes sense is the Sentra GT-R because it's got "boy racer" written all over it and those are supposed to be loud and rough and guzzly hot messes. It should be kept as far away as possible from any Infiniti.
      • 4 Years Ago
      "Because at Infiniti we build great cars but our engines...well...uhhh...lets just say it has the performance of a Mercedes Benz under the hood with all the refinement you have come to expect from Infiniti... Yeah that oughta sell."
      • 4 Years Ago
      Not sure about this deal yet.

      If they are to put a MB engine into the G, why not insert a DIESEL engine with the Bluetec techonology. Now I would call THAT having some guts. I would disagree if a simple 4 cyl. gasoline-fueled would get into the G (give it a Turbo please!). Nissan has plenty of that. Heck! Can't they take a diesel from Renault? I guess it makes sense for the automakers to share more and cut costs...

      And I WOULD check out both C-Class and G before buying one...
      • 4 Years Ago
      Infiniti does not need a 4 cylinder in their line up, and the concept CAFE regulations is absolutely ridiculous.
      • 4 Years Ago
      I was checking out the UK Mercedes Benz site, and they have a nice 2.5 liter 4 that puts out around 200 hp. I wonder if that is the engine, but Nissan makes so many good four cylinders, very odd.
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