The Dodge Charger Demon represents the absolute zenith of muscle car engineering, a machine that strips away every concession to daily driving in favor of raw, unadulterated performance. Under its aggressive hood, a supercharged 6.2-liter HEMI V8 unleashes a staggering 840 horsepower and 770 lb-ft of torque, propelling this sedan from zero to sixty in a claimed 2.3 seconds. This is not merely a car; it is a rolling exhibition of what is possible when an American icon embraces extreme performance without compromise.
Engineering the Beast: The 6.2L Supercharged HEMI
At the heart of the Demon’s legend is its modified 392 cubic inch HEMI V8, transformed into the high-revving, fire-breathing 6.2L "Hellephant" engine. Unlike the standard Charger SRT Hellcat's factory block, the Demon's powerplant is hand-assembled with forged internals, including pistons, connecting rods, and a larger crankshaft. This meticulous engineering allows the engine to safely handle the immense stress generated by its forced induction system, a massive 2.7-liter roots-type supercharger that sits atop the engine like a predatory insect.
Forged Internals and Extreme Output
The results of this internal overhaul are immediate and violent. The engine screams past 6,000 RPM, a sound that is more jet engine than automobile, and delivers its peak power of 840 hp at 6,000 rpm. The torque curve is a flat, terrifying wall of acceleration that arrives at just 4,400 rpm, sending shockwaves through the chassis and pressing the driver deep into the bolstered seats. This level of output requires components that are stronger than standard, a philosophy that extends to every element of the powertrain’s design.
More Than Just Power: The Performance Package
While the engine is the star, the Demon’s true brilliance lies in its comprehensive performance package that tames the power and channels it to the ground. The car comes standard with the Dodge Performance Pages system, an advanced all-wheel-drive platform that provides torque vectoring and stability that is almost supernatural. This system works in concert with a race-bred suspension and massive brakes to ensure that the driver can harness the Demon’s fury safely and effectively.
Transmission, Brakes, and Tires
Managing the power requires a robust 8-speed automatic transmission, fortified to handle the immense stresses of launch and high-speed gear changes. Stopping this speeding bullet is the responsibility of Brembo brakes, featuring six-piston calipers up front and four-piston units in the rear, paired with high-performance rotors that resist fading even after multiple runs. The tires are equally critical, with massive P255/45R20 units on the front and P305/35R20 on the rear, providing the necessary grip to convert engine power into forward momentum.
Specification | Dodge Charger Demon | Typical Challenger R/T
Engine | 6.2L Supercharged HEMI (Hellephant) | 5.7L or 6.4L Naturally Aspirated HEMI
Horsepower | 840 hp | 375 hp / 485 hp
Torque | 770 lb-ft | 395 lb-ft / 475 lb-ft
0-60 mph | 2.3 seconds (estimated) | 4.4 - 5.0 seconds
