
The 2021 Dodge Challenger SRT Hellcat offers a remarkable blend of performance and power, making it one of the most exciting muscle cars on the market today. With a 6.2L supercharged HEMI V8 engine, it produces an impressive 717 horsepower and 650 lb-ft of torque, ensuring a thrilling driving experience.
Acceleration is swift with the Challenger SRT Hellcat reaching 0-60 mph in just 3.6 seconds. This makes it one of the fastest vehicles in its class. The car’s maximum speed is around 199 mph, giving it the ability to perform on both roads and tracks with ease.
Handling has been optimized with an upgraded suspension and advanced braking system, making it agile despite its powerful engine. The standard widebody package adds extra width to the frame, improving stability and cornering performance. This upgrade also enhances the visual appeal of the car, giving it a more aggressive stance.
Inside, the Challenger SRT Hellcat boasts a modern, driver-focused cockpit. The dashboard features a 8.4-inch Uconnect display, offering intuitive access to navigation, media, and vehicle settings. The interior also includes premium materials and seating options designed for both comfort and durability during high-speed drives.
2021 Dodge Challenger SRT Hellcat Specs

The 2021 Dodge Challenger SRT Hellcat delivers unmatched power, thanks to its 6.2-liter supercharged HEMI V8 engine. This powerhouse generates up to 717 horsepower and 656 lb-ft of torque, allowing for a 0-60 mph time of just 3.6 seconds.
When it comes to performance, the SRT Hellcat doesn’t hold back. The car features an upgraded suspension system for superior handling and stability, even at high speeds. Its Brembo brakes ensure quick and reliable stopping power, providing confidence on both the track and the street.
The 2021 model offers a choice between a six-speed manual transmission and an eight-speed automatic, each offering precise control over the car’s impressive power. The manual transmission is perfect for those who prefer a hands-on driving experience, while the automatic delivers seamless shifts for a more refined ride.
The exterior of the SRT Hellcat is aggressive yet stylish, with a bold front grille, widebody fenders, and a signature hood scoop. These design elements not only improve the car’s aerodynamics but also enhance its performance by channeling air to the engine for better cooling.
Inside, the cabin is equipped with high-quality materials and advanced technology. The 8.4-inch Uconnect infotainment system supports Apple CarPlay and Android Auto, ensuring you stay connected during every ride. The seats offer both comfort and support, making it easy to enjoy long drives without compromising on performance.
For those seeking even more power, the SRT Hellcat Redeye variant is available, pushing the engine output to 797 horsepower. Whether you choose the standard Hellcat or the Redeye, the 2021 Challenger SRT Hellcat offers a thrilling driving experience that is hard to match in its class.
Engine Performance and Horsepower Details
The 2021 Dodge Challenger SRT Hellcat packs a 6.2L supercharged HEMI V8 engine, delivering impressive horsepower figures. It produces 717 horsepower and 656 lb-ft of torque, ensuring a thrilling driving experience. This engine is paired with a high-performance eight-speed automatic transmission, which optimizes acceleration and shifting response.
For those seeking even more power, the Hellcat Redeye variant offers a boosted version of the same V8, reaching up to 797 horsepower and 707 lb-ft of torque. This upgrade dramatically enhances performance, reducing 0-60 mph times to under 3.5 seconds.
The engine is equipped with an adaptive exhaust system that can adjust to various driving modes, providing a deep and aggressive exhaust note when demanded. Combined with the performance-oriented suspension and brakes, the Challenger SRT Hellcat ensures maximum performance on both the street and track.
Handling and Suspension Features
The 2021 Dodge Challenger SRT Hellcat boasts a high-performance suspension system designed to handle aggressive driving. The front suspension features independent struts with a stabilizer bar, while the rear uses a multi-link setup. This combination ensures stability during high-speed maneuvers and tight cornering.
The Hellcat’s adaptive damping system allows for real-time adjustment of the suspension firmness. It provides a smoother ride under normal conditions and stiffens when cornering or during rapid acceleration, delivering better handling and control.
Performance enthusiasts will appreciate the available 20-inch wheels with wider tires, which contribute to superior traction. The tires are designed to handle the Hellcat’s immense horsepower, ensuring that power is effectively transmitted to the road.
The SRT Hellcat also includes launch control, which optimizes wheel spin during acceleration, enabling quicker starts and better grip. When paired with the powerful suspension, the car’s handling on twisty roads and tracks is enhanced, offering precision and agility.
Fuel Economy and Range of the 2021 Model
The 2021 Dodge Challenger SRT Hellcat offers a balance between power and fuel economy, though performance remains its primary focus. With its 6.2L supercharged V8 engine, fuel efficiency takes a backseat, but it’s still important for everyday driving.
The Hellcat model achieves an average of:
- 12 MPG in the city
- 21 MPG on the highway
- 15 MPG combined
These figures are reflective of its high-performance nature, with the engine’s power output being the primary contributor to its fuel consumption. The range on a full tank of gas is approximately 350-400 miles, depending on driving conditions and usage patterns.
For owners looking for longer trips, consider using the highway for better efficiency, as city driving tends to push the fuel economy lower. Despite the engine’s size and output, the range is suitable for road trips without the need for frequent refueling.