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2015 Dodge Challenger SRT Hellcat with '600-plus horsepower' officially unveiled [w/video]

Dodge has officially unveiled the most powerful vehicle to ever wear the Challenger name - the SRT Hellcat - complete with over 600 horsepower courtesy of a supercharged, 6.2-liter Hemi V8. It will be offered alongside the 485-hp Challenger SRT.
The new, force-induced V8 isn't just the most powerful ever fitted to the Challenger, it's the most powerful eight-cylinder Chrysler Group has ever built. Power figures aren't finalized, so expect to see "over 600 hp" bandied about quite a lot. That fury will be channeled through either a six-speed manual or eight-speed automatic. Yes, over 600 ponies through an eight-speed auto. So far, the only vehicle we know of that delivers more output through that many gears is the as-yet untested Chevrolet Corvette Z06. Sadly, we don't have performance metrics just yet, although if this thing can't crack four seconds to 60 miles per hour, we'll be pretty surprised.
As is the theme nowadays, the 2015 Challenger SRT features a number of driving modes, governing power output, shift speeds for the 8AT, steering effort, traction control settings and suspension settings. There are three pre-programmed options - Default, Sport and Track - and a Custom mode that allows drivers to mix and match to their heart's content.

Next Dodge Challenger to be electrified, says FCA boss

Dodge is the last of Detroit's Big Three to truly keep the muscle car purpose and heritage alive with the Challenger and Charger. As the Mustang and Camaro have transitioned to sports car-like experiences, the high-horsepower Dodges have stuck to their guns as straight-line behemoths with little intention of competing with the others in corner carving. People still dig the old-school-cool of cars like the Challenger, as sales actually went up while Mustang and Camaro sales took a hit in 2018. That said, new FCA boss Mike Manley said things will be changing in an electric way for the next generation, in a report by The Detroit News. "The reality is those platforms and that technology we used does need to move on. They can't exist as you get into the middle-2020s. New technology is going to drive a load of weight out, so we can think of the powertrains in a different way. And we can use electrification to really supplement those vehicles." News of electrified muscle cars is nothing new at this point. Ford says it's going to reveal a Mustang Hybrid in 2020. And with Al Oppenheiser (former chief engineer for the Camaro) moving to GM's electric division, you better believe Chevrolet is working on an electrified version of the Camaro. This, however, is the first solid evidence we have that FCA and Dodge are making such a move. What Manley said next is something we all know to be true, but a bit heartbreaking nonetheless. "I think that electrification will certainly be part of the formula that says what is American muscle in the future. What it isn't going to be is a V8, supercharged, 700-horsepower engine," Manley says. Even if it's a bit silly, we all love the Hellcat for its 707 horsepower V8. Clearly, plenty of other people do, too, because Dodge keeps cranking out more insane versions of the car with the Redeye and Demon. As for how much electrification Dodge's muscle car will receive, Manley wouldn't go into detail. Though he does say that electrification "can't be the dominant part." This should provide some solace to all those worried the gasoline engine could disappear from the American muscle car. Just as Dodge is reluctant to stray from the original intent of the muscle car, it's not hard to imagine the Challenger/Charger being the last to go full-electric. Gas engines supplemented by 48-volt systems or plug-in hybrids will most likely be the end result when we first see electrified Challengers.

Dodge Viper to out-Hell the Hellcat with supercharged V10?

The Viper wouldn't be the Viper if it wasn't the most powerful model under the Chrysler umbrella. But with the arrival of the Hellcat engine in the Dodge Charger and Challenger, the Viper has fallen behind in the bragging rights department: where the new supercharged V8 produces 707 horsepower and 650 pound-feet of torque, the naturally aspirated V10 offers "only" 640 hp and 600 lb-ft - gargantuan output figures by almost any other standard, but crucially behind on the SRT power scale. Conner Avenue is going to have to do something about that.
Although the Hellcat's engine reportedly won't fit under the Viper's hood, SRT is now rumored to have another trick up its sleeve: supercharge the existing V10. According to the Pentastar performance enthusiasts at allpar.com, Chrysler has already taken delivery of the first such prototype engines so that it can begin the process of fitting it into an upgraded Viper.
The spooled ten-pot is tipped to produce around 800 hp and 650 lb-ft of torque. More than that and the Viper's drivetrain, chassis and bodywork would have to be substantially reworked. Though beefier transmissions are available, fitting them would reportedly set off a domino-game of changes required to handle the added torque. Which may be something Chrysler would be prepared to do for the next-generation model, but in the meantime, 800 hp could prove enough to put the Viper back atop the Mopar performance ladder where it belongs, and give it an edge against the new Corvette Z06 to rekindle sales.