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This is one sweet car.

Via Automobile:

For 2011, all Challenger SRT8 cars receive a number of upgrades, but none quite as substantial as the work performed within the engine bay. Although the previous 6.1-liter Hemi V-8 served prior Challenger SRT8 models well, the 420-horsepower engine was eclipsed later in life by other challengers to the muscle car throne.

No more. For 2011, Chrysler’s bored out the engine to a whopping 6.4 liters, which allows it to revive the heralded 392 cubic-inch displacement figure (first seen in the legendary 1957 300C). In this form, the overhauled Hemi is rated at 470 horsepower and 470 pound-feet of torque. For the record, that’s roughly 45 ponies and 50 pound-feet over the 2010 model, and eclipsing the 426 horsepower offered by the Camaro SS.

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Via Motor Trend:

Dodge aficionados will recognize that the new SRT8′s engine displacement measures 6424cc, or 392 cubic inches on the dot. Coincidence? Hardly. Some 54 years ago, for the 1957 model year, several Chrysler and Imperial cars received the original 392 as a replacement for the 354 Hemi that launched in ’51. The 392, in production for only a couple years, quickly amassed an enthusiastic following, notably from drag racers who tweaked the Hemi’s camshafts and bolted on six or eight carburetors to bump power. One such drag racer was Don “Big Daddy” Garlits, who used a 392 to break the 200-mph barrier in his Swamp Rat racecar.

Here is a very Top Gear-ish video preview for the new Challenger…

I’m so happy that Dodge is dropping the whole ‘metric’ engine displacement designations for this vehicle. They should do this for the Ram’s as well.

392 cubic inches….

no metric system here...