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Is the Hellcat or Demon faster?

In straight-line drag, the Dodge Challenger SRT Demon is faster than the Hellcat variants, delivering sub-10-second quarter-miles under optimal conditions, while Hellcat models typically run in the low-to-mid 11-second range. This article examines why the Demon edges out the Hellcat and what that means for enthusiasts.


Context and definitions


Both cars share a platform and much of the powertrain, but Dodge engineered the Demon specifically for drag racing, while the Hellcat lineup targets a blend of performance, daily drivability, and track capability. Understanding the key differences helps explain the speed gap in straight-line runs.


Key specs at a glance


Note: figures refer to typical factory outputs and well-documented test results; real-world results vary with track, elevation, and tires.



  • Demon: 6.2-liter supercharged Hemi V8 with nitrous capability, producing around 840 hp on 100-octane fuel; 0–60 mph in about 2.3 seconds; quarter-mile times around 9.65 seconds at ~140 mph with drag radials; Drag Mode and TransBrake for optimal launches; limited production (~3,300 units) and a drag-focused interior.

  • Hellcat (base): 6.2-liter supercharged Hemi V8 around 707 hp; 0–60 mph in the mid-3-second range; quarter-mile roughly 10.8–11.0 seconds depending on tires and conditions; designed for everyday usability with a full interior.

  • Hellcat Redeye: higher output variant around 797 hp; 0–60 mph in the low- to mid-3-second range; quarter-mile typically in the 10.7–11.0 second range, depending on tires and setup.


In sum, the Demon’s core advantages are extreme high-end power, nitrous capability, drag-specific equipment, and a lightweight interior that favor straight-line acceleration at the drag strip. The Hellcat family emphasizes versatility, with more comfortable daily usability and broad track capability.


Real-world observations and caveats


Head-to-head on a closed drag strip under ideal conditions, the Demon typically records faster quarter-mile times than any Hellcat variant. Real-world results depend heavily on tire choice (drag radials for the Demon versus street/drag tires for Hellcat), fuel (100-octane race gas for the Demon’s best performance), elevation, track prep, and launch technique.


Availability and current context


The Demon was a one-off, limited-run model introduced for the 2018 model year and is no longer in production. The Hellcat family continues with ongoing variants and updates—such as the Hellcat Redeye and other performance packages—reflecting Dodge’s evolution of the lineup.


Bottom line


For pure straight-line speed on a drag strip, the Demon is faster than the Hellcat variants when properly equipped and tested under optimal conditions. For everyday use, practicality, and ongoing availability, the Hellcat offers robust performance with greater accessibility and a more comfortable, street-ready package.


Summary


The Demon holds the edge in pure drag performance, routinely delivering sub-10-second quarter-miles thanks to its optimized powertrain, nitrous options, and drag-focused features. The Hellcat lineup remains formidable and more versatile for daily driving and street use, but it generally cannot match the Demon’s drag-seasoned sprint. Enthusiasts should consider calendar availability, track access, and tire setup when weighing which Challenger is faster in practice.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.