Dodge Challenger HellcatOne of the prime complaints against the Dodge Challenger is that, even in SRT8 guise, its 470 horsepower is responsible for hauling over 4,200 pounds of vehicle. For comparison, the 420 hp in the Ford Mustang GT only has to deal with 3,618 lbs. Things only get worse from there, as the higher-performance variants of both the Mustang and the Chevrolet Camaro are far more powerful than an SRT8 without adding on much heft.

So what is Chrysler to do? The correct answer is add a whole lot more grunt to its hefty two-door and even the odds. That's where the all-new Hellcat engine comes into play. We reported on this engine in May, and suggested that the Hellcat, a supercharged powerplant based on a 6.4-liter V8, would easily generate 500 to 570 hp and could likely arrive boasting more than 600 ponies.

Chrysler's ace in its sleeve has now been spied testing, with a number of Hellcat-equipped Challengers running the potent new engine both in more urbanized areas and under the sun of Death Valley. The hoods on these testers have been raised to accommodate the engine, and that camouflage over the fascias of these prototypes is there to hide a larger air intake. We also note what appears to be a new split grille under wraps. As for power output, our spies are now suggesting a Viper-equalling 640 hp from the Hellcat-equipped cars.

Although the Hellcat is being tested in the Challenger, it certainly shouldn't be ruled out for the coupe's platform-mates, the 300 and Charger. As for when we'll see a production car equipped with the Hellcat, it remains to be seen if it will replace the current 6.4-liter Hemi V8 or serve alongside it as the new flagship engine for the Challenger, 300 and Charger. Take a look up top for the full gallery.


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  • 84 Comments
      darkharbour
      • 1 Year Ago
      Say what you will about the car itself, but you have to admit that "Hellcat" is a fantastic name for a muscle car engine.
      Nick B
      • 1 Year Ago
      Oh my god how cool would that be if this put out over 600hp and they put it in the Charger? 600HP four door, yes please!
      imag
      • 1 Year Ago
      This. This will be worth all the money someday. This will be the kind of car that your grandkids say, "You could buy one of them? Why, for god's sake, didn't you get one?" That or cars like this will be banned on the street and your grandkids will be too busy in virtual reality to care.
      BipDBo
      • 1 Year Ago
      Add power through forced induction or displacement is apparently still cheaper and easier than reducing weight.
        • 1 Year Ago
        @BipDBo
        [blocked]
      postpast
      • 1 Year Ago
      Man, just image a 300c with over 600 horsepower. If they kept styling changes to a minimum, it may just be the coolest car I can image at the moment.
        Tom
        • 1 Year Ago
        @postpast
        300c. not gonna not gonna happen. Not from the factory.
      • 1 Year Ago
      [blocked]
      omgcool
      • 1 Year Ago
      I'm absolutely stoked about this new engine, but I agree with many others that the weight can not be written off. I'm certain Chrysler is already working on the replacement which they realize needs to be much lighter, so I'm not upset. This car is so big, I've always seen it as more of a grand-tourer than a pony-car. What I would LOVE to see Chrysler do is keep this car around for future generations, but give it the full interior treatment far beyond what is offered in its competitors. I'm talking all around "Corinthian" leather-stitched interior, 12+way seats, full uConnect treatment, high end audio system (Chrysler's already in bed with Harman/Kardon, so that's all good), and other advanced technological/creature-comfort goodies. Style is probably the number-one priority in the grand-tourers, and man this car still has it after all these years. Lofty dreaming from me, though. I'm sure when its replacement comes around, that's it.
      Street King
      • 1 Year Ago
      Its packing a whole lot more than 500 HP. Try 650...minimum! The Viper will be getting bumped to 700 ponies, so forget the 640 hp cap.
      Krazeecain
      • 1 Year Ago
      I'm really hoping for crazy horsepower here. The GT-500 has ~660 hp, and it'd only be right for dodge of all car makers to one-up that. Let's at least hope the viper's 640 hp doesn't stop them...
      The Law
      • 1 Year Ago
      And people still think that the muscle car war is going to end soon. Yeah right!
      Jmaister
      • 1 Year Ago
      hellcat is a fitting name.
      Beardinals
      • 1 Year Ago
      Just so it's mated to the 8 speed...
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