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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.

2015 Dodge Viper getting small increase in power

The Viper is used to being the most powerful car in the Dodge and SRT stables, but the arrival of the 2015 Dodge Challenger SRT Hellcat means that's no longer the case. The serpentine supercar is, however, reportedly getting a small boost in output for 2015, amounting to all of five horsepower.
The increase was uncovered by Road & Track courtesy of the SAE J1349 certification process to which Detroit's Big Three automakers submit themselves and which reports the Viper's output at 645 hp instead of the 640 it was rated at until now. There are a hundred factors that could have contributed to the relatively mild boost in output (best guess? nothing at all changed...), but we doubt anyone's going to complain about some extra horses under the hood.
The five-horsepower boost brings the Viper that much closer to the 650-hp Chevy Corvette Z06, not to mention the 707-hp Hellcat, but the Viper's impressive power-to-weight ratio ought to mean it'll have little problem keeping up in a straight line - which is just one of the reasons why Chrysler won't shoe-horn the Hellcat into the Viper: as R&T points out, the supercharged engine is too heavy and the blower makes it too tall to fit in the Viper's engine bay.

2015 Dodge Charger priced from $27,995, Hellcat from $63,995*

Ladies and gentlemen, let's get the most salient bit of information out of the way right off the bat: $63,995*. That's the amount of money Dodge dealers will be asking for (at the very least, naturally) for a 2015 Charger Hellcat (*plus $995 for destination on all pricing figures). That rather reasonable sum will bring home its buyer a 6.2-liter Hemi V8 engine boasting a supercharger to post such gaudy figures as 707 horsepower and 650 pound-feet of torque, leading to a top speed of 204 miles per hour to go along with an NHRA-certified quarter-mile time of 11.0 seconds.
With that out of the way, the rest of the 2015 Dodge Charger pricing information breaks down as follows: $27,995 will deliver a sedan with a 292-horsepower 3.6-liter Pentastar V6 engine, mated to an eight-speed automatic transmission. Moving up one step of the ladder nets the buyer an SXT model with the same engine, but a nicer chunk of technology and optional equipment for a $2,000 premium. All-wheel drive adds another $3,000. Hemi V8-powered R/T models now boast an eight-speed transmission bolted to the same well-loved 370-horsepower engine as before, for a base price of $32,995.
The SRT 392 model that had hitherto been the top-performing Charger brings with it an asking price of $47,385 while bargain hunters can equip a Charger R/T Scat Pack machine with that same 485-horsepower 6.4-liter Hemi, albeit with somewhat less posh interior bits and pieces, the removal of the 392's adjustable suspension and hi-po wheel and tire package for $39,995.