How Much Does a Dodge Charger SRT Horsepower Have

Dodge Charger has been around since 1966. As one of the most recognized muscle cars, the Dodge Charger has evolved over the years. Unlike before, Dodge Charger includes several trims, including the SRT. We are writing this article to analyze the Dodge charger SRT horsepower.

From when the first SRT model emerged until now, how has the horsepower changed? Horsepower and torque are some of the most vital specifications of any engine block.

Before ordering an SRT, review this article to learn about its horsepower range. Some SRTs have higher horsepower than others, as you will discover shortly.

Dodge charger released the first Dodger Charger SRT in 2005 for the 2006 model year. Called the SRT8, the car had the 6.1L HEMI V8 engine offering 425hp and 420lb-ft torque. More powerful versions came later on. 

Is the Dodge Charger SRT a V6 or V8 Engine?

A Dodge Charger SRT uses a V8 HEMI engine. In 1966, Dodge made its first Charger Concept using the HEMI V8 engine. Hence, the first SRT Charger copied a lot from the earliest muscle car. Dodge released the SRT8 in 2005 for the 2006 model year with a 6.1liter HEMI V8 engine.

Others that followed also have the V8 engine and more advanced interior and exterior features. A V6 engine appears in most Dodge models, including the Dodge SXT for 2021.

Dodge Charger SRT Horsepower By Year

01. Dodge charger SRT8 horsepower (2006 to 2014)

Dodge Charger SRT first appeared as SRT8 in 2005 for the 2006 model year. Chrysler Corporation was behind the release of the SRT8, a full-size sedan weighing 4,160lbs. Chrysler chose the 6.1L or 370cid HEMI V8 engine for the SRT8.

Additionally, the engine had a Five Speed Autostick transmission and could release 425hp at 6,200rpm and 420ft-lbs at 4,800rpm. Other Chrysler models with similar specifications back then were Chrysler 300C SRT8 and Dodge Magnum SRT8. When the new 2006 Dodge Charger SRT8 came out, many fans loved it.

Due to the inclusion of the SRT (Street and Racing Technology) performance, many racing fans got their favorite American muscle sedan. Unlike other muscle cars, the SRT8 had more power and a more aggressive and stylish exterior. Chrysler produced the Dodge Charger SRT8 until 2014.

 Horsepower changes for dodge charger SRT

  • 2006 to 2012 SRT – 425hp 420lb-ft torque
  • 2012 to 2014 – 477hp at 6000rpm 470lb-ft at 4300rpm.

Overview of dodge charger SRT8


Dodge Charger SRT8 has an improved chassis, including tuned dampers. Compared to other models, the SRT8 ride height is one-half inch lower.

Because of the electronic stability program, the SRT8 boasts better handling. Using five-spoke, twenty-inch forged aluminum wheels and Goodyear Supercar F1 tires, the SRT8 offers a comfortable ride.

Performance features

A Dodge Charger SRT8 uses Brembo high-performance 4-piston brake calipers. Integrated ducts allow fresh air to cool down the brakes while the front air dam minimizes the lift.


SRT8s have the most inviting interiors with a racing-car-inspired appearance. From well-sculpted bolstered sports seats with suede inserts to the leather-trimmed steering wheel, the SRT8 interiors are lovely. 

On the dashboard, you will find a 300kph speedometer, tachometer, temperature gauge, etc. Also, it has an LED display showing oil temperature and pressure, the navigation system, and more.

Lastly, you have the SIRIUS Satellite Ration and the UConnect communication feature with Bluetooth connectivity.

6.1 HEMI V8 block

A few features make the 6.1L SRT HEMI V8 engine differ from the 1966 HEMI V8 block. For instance, the compression ratio rose from 9:6:1 to 10:3:1, and the bore diameter became 3.5mm wider.

Additionally, it got newly redesigned cylinder heads, a new intake manifold, and a stainless-steel exhaust header for increased airflow.

Chrysler powertrain engineers also enhanced horsepower by adding high-performance camshaft profiles. Thus, they increased the original HEMI V8 peak power by almost twenty percent (from 5000rpm to 6000rpm).

The SRT 6.1L HEMI V8 has a forged steel crankshaft, floating-in pistons, heavy-duty powdered metal connecting rods, and other durable components.

02. Horsepower for Dodge Charger SRT 392 (2015 to 2018)

In 2015, the Dodge charger SRT 392 model came out. Chrysler’s SRT engineers took credit for creating the SRT 392 model. Unlike the original SRT8, the STR 392 had the 6.4-liter V8 SRT HEMI V8 engine.

As a more potent engine block, it produced up to 485horsepower and 475lb-ft torque. Additionally, the engine consisted of the TorqueFlite 8-speed automatic transmission.

Horsepower changes

  • 2015 to 2018– 485hp 475lb-ft torque

Overview of 6.4L SRT Engine

As one of the most reliable and powerful HEMI V8 engines, the 6.4-L 392 can cover zero to sixty miles per hour in four-Point-three seconds. Also, it can cover a quarter mile in twelve-point-four seconds.

Track times

Specifically, the 2016 Charger SRT 392 can cover zero to sixty miles per hour in 4.2 seconds. Also, it can cover a quarter mile in twelve-point-five seconds.

Performance features

Dodger Charger SRT 392 is a high-performance muscle car with a lot of speed. As a fast car, the SRT 392 includes the best Brembo braking system with six-piston calipers and two-piece rotors.

Further, this SRT version uses Bilstein shock absorbers that ensure a smooth ride. For better aerodynamics and high performance, the SRT 392 entails lightweight aluminum axles and forged aluminum wheels.


Besides the heated leather-trimmed seats that can accommodate five people, the SRT 392 has a modern entertainment audio system. Featuring an 8.4-inch touchscreen display also comes with GPS navigation, Uconnect Access, and an integrated voice command feature using Bluetooth.

Color and styling

A Dodger Charger SRT 392 is easy to customize concerning exterior paint colors. Customers can choose from eleven unique colors, including the Mopar tinge present only in the 2016 SRT 392.

03. Horsepower of 2015 to present- SRT Hellcat

As the fastest four-door sedan muscle car in the world, the Hellcat SRT version emerged in the first quarter of 2015. Unlike the SRT8 and SRT 392 versions, the SRT Hellcat used the 6.2L HEMI V8 engine with more up to 707hp and 650lb-ft of torque.

Also, the new SRT Hellcat model had better track times. Accelerating zero to sixty miles per hour took it only three-point-six seconds. As for the quarter-mile, distance, it covered it in ten point-nine-six seconds.

Horsepower changes

  • 2015 to 2022 – 707 HP/ 650 lb-ft of torque

Dodge SRT Hellcat other trims like the Widebody and Redeye Widebody produce more power but use the same 6.2L HEMI V8 engine. For instance, both the 2021 and 2022 Redeye WD HC options provide 797hp and 707lb-ft of torque. If you want more power, then you might want to consider other SRT Hellcat trims.

SRT Hellcat 6.2 HEMI V8  Engine Overview

Top specifications for the 6.2 HEMI V8 engine include the following:

  • Cylinders – V8
  • Displacement – 6200cubic centimeters
  • Horsepower/Torque – 707hp/6000rm, 650lb-ft at 4800rpm
  • Fuel system – Turbocharged Direct Injection
  • Fuel type/capacity – Gasoline, 18.5 gallons
  • Highest speed – 196mph
  • Drive Type – Rear Wheel Drive
  • Transmission – 8-speed automatic
  • Brakes – Ventilated front and rear
  • Ground clearance – 4.5-inches
  • Weight – 2080kg
  • Fuel usage – 12mpg City, 21mpg Highway.


A full-size sedan and a perfect family car, the SRT Hellcat could cover a quarter mile in 11 seconds. That made it faster than the Challenger SRT Hellcat coupe which could cover the same distance in 11.2 seconds.

Including an 8-speed automatic transmission, the 6.2L HEMI V8 engine made the SRT Hellcat a fuel-efficient performance sedan for street driving.

Also using the 15.4 Brembo 2-piece rotors with 6-piston brake calipers, the SRT Hellcat can accelerate from zero mph to one hundred mph and back to zero mph in less than thirteen seconds.

Hence, its highest speed is 203mph. A Hellcat Charger SRT has beautiful exteriors featuring aggressive front and rear fascias and an aluminum hood.

As one of the fastest sedans in the world, the SRT Hellcat uses 20 by 9.5-inch forged aluminum wheels and a damping suspension system.

Also including Sport, Track, Default, and Eco drive modes, the car is the easiest to customize depending on the speed and power you want. Interiors feature a high-quality infotainment system, a 900W stereo, a seven-inch customizable digital gauge cluster, and comfortable Alcantara suede sports seats.

How much horsepower does an SRT 392 Charger have?

All Dodge Charger SRT 392 models run on a HEMI V8 engine similar to its precursor- the Dodge Charger SRT8. Dodge made the last model of the SRT 392 in 2018.

All models from 2015 to 2018 had the same 6.4-liter HEMI V8 engine. Hence, the Charger SRT 392 provides 485 horsepower.

Which is faster: SRT or Hellcat?

Dodge Charger and Challenger SRT models use the IHI supercharger that first appeared in a World War II warplane. Thus, the 6.2L HEMI V8 engine used to power the Dodge Charger SRT Hellcat produces double the horsepower of the base 3.6L Pentastar V6 motor.

As a Dodger Charger SRT is a muscle car, the IHI supercharger helps the Hellcat model a lot. Considering all SRTs and SRT Hellcats, the fastest is the SRT HC Redeye WD with a 2.7liter twin-screw supercharger and a top speed of 203mph. Also, it covers 0 to 60mh in 3.6seconds and a quarter mile in 10.6 seconds.

Top Questions (FAQs)

Is Dodge Charger a reliable and fast car? 

Yes, it is a muscle car with a desirable top speed. However, we have many Dodge Charger model years today. We can say that some Chargers are faster than others. Depending on the engine block configurations, your Dodge Charger can run fast or slow.

If you have a base model SXT trim with a 3.6-liter V6 engine, it can only give you a top speed of 196mph. On the other hand, a 2021 Hellcat Redeye WD SRT with a V8 engine can provide a maximum speed of 203mph.

Also, it can accelerate from zero to sixty mph in about 3.6seconds. If you need a fast Dodge Charger, you will find reliable options among the SRT Hellcat models. The latest SRT Hellcats are superfast and reliable.

02. Can I get a Dodge Charger model as a daily driver’s car? 

Yes, even the fast and muscular SRT Dodge Chargers are multi-use vehicles. Any Charger will make an ideal daily driver car if it has the all-wheel drive features. Dodge Charger’s trim configurations vary widely depending on the model year.

 If you select the 2021 Dodge Charger, for example, you will choose from up to six levels. Features get better as you move away from the base SXT model. Of all, the SRT Hellcats is the fastest and most ideal when you want more power, speed, and top performance.

If you want something better than the SXT base model but with advanced features and an affordable rate, the GT might work for you. Before buying a Dodge Charger, set your objectives and needs first. If you have less money, then go for the SXT. If you need a sportier car, the R/T options are perfect.

Also, there are many options for those who like Dodge Chargers but want a different brand. Top Dodge Charger competitors are Nissan Maxima, Genesis G80, and Chrysler 300. Even Ford Taurus makes a good rival.

03. How great is Dodge Charger’s fuel economy? 

We cannot put all Dodge Charger model years in the same basket and say they have the reliable fuel economy. As the Dodge Charger has been around since 1966, you can expect some models to consume more fuel than others.

Many factors help determine a car’s fuel economy, including its powertrain, body weight, and engine configurations. A Dodge Charger SRT Hellcat has an EPA rating of 13mpg in the city and 16mpg in combined cycles.

A Dodge Charger SXT for 2021 using the 3.6L V6 motor gets an EPA rating of 23mpg in collective cycle driving. Thus, you should research widely to know the fuel consumption rate of the Charger model you prefer.


We have come to the end of our discussion on Dodge Charger SRT (2006-2022) horsepower. As you have noted, we have discussed various SRT types and their horsepower.

All of them use the HEMI V8 engine with a different displacement. Chrysler produced the SRT8 from 2005 to 2014 and the model saw several changes. Later on, the SRT 392 and SRT Hellcat models emerged and were more powerful.