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  • Nick Cavanaugh; Editor-in-Chief ( @Car_Sick_Nick )

NEWS: 600+HP Hellcat Powered 2015 Dodge Challenger SRT Debuts

With SRT returning to a stand-alone sub-brand, Dodge has become the Chrysler groups performance nameplate. They have started out with a bang with the introduction of the 2015 Dodge Challenger SRT with the Hellcat engine. This is coming a month after Dodge announced the 2015 Dodge Challenger 392 HEMI Scat Pack in New York.

With the introduction of these two new models, Dodge is promising the most authentic modern muscle cars on the road. In the 2015 Dodge Challenger with the Hellcat engine, Dodge has done a first for their company and put a supercharged Hemi V8 under the hood of their car.

Displacing 6.2-Liters, it is promising to be Dodges most powerful V8 ever produced. These two new models will be built in Dodges Brampton Assembly plant and production will begin in the third quarter of this year.

What’s under the hood?

First Dodge is upgrading their 6.4-liter, 392 ci Hemi in the 2015 Dodge Challenger SRT to 485hp and 475lb.-ft from 470hp and 470lb.-ft respectively. It will be offered with a 6-speed manual or a new TorqueFlite eight-speed automatic transmission, which will be the first time that an eight-speed automatic will be offered in a high performance muscle car.

The 2015 Challenger SRT Hellcat will come with a 6.2-liter Hemi V8 that will produce over 600hp, making it the Chrysler Groups most powerful V8 engine ever. It will be available with an upgraded 6-speed manual and the eight-speed TorqueFlite automatic.

Dodge knows that no matter how much power they put into their high performance vehicles people always want more and go to the aftermarket for upgrades. This is why Dodge always makes their engines stronger than what they need to be for the power that they output. The new Hellcat engine is no different.

The new hellcat engine will feature a forged steel crankshaft with an induction hardened bearing surface that is capable of withstanding firing pressures of up to 1595 psi, or the weight of 5 family sedans on each piston. The damper for the crank has also been tested to speeds of up to 13,000 rpm. It also features forged-alloy pistons with powder forged connecting rods. The pins on the pistons are coated in a diamond like carbon coating. The heads of the cylinders are made of a heat treated aluminum alloy that excellent thermal conductivity. The rocker covers are painted in a HEMI orange.

Drive Modes.

Both 2015 Dodge Challenger SRT models will come with a drive mode selector. You will be able to choose from default which is normal mode, sport mode which gives you better throttle response and a heaver steering, and track mode which will give you the maximum performance possible on dry surfaces. There will also be a custom mode which will allow you to set how you want the steering, transmission, suspension, and traction control to do. Dodge is making it so that you can set and select what drive mode you want through the UConnect system.

Two Keys

The 2015 Dodge Challenger SRT with the Hellcat engine will come with two keys, one red and one black. Both keys do different things. The red one is the only key that allows you to access the full performance of that new supercharged V8. The black one will limit the output of the supercharged V8.

Worried about giving your new 2015 Dodge Challenger SRT with the Hellcat engine to the valet? Don’t fret because Dodge has already thought of this and built in a valet mode into the car. To enable and disable it all you have to do is type in a four digit code. The valet mode will severely limit the cars performance. The car will be in its street settings for suspension, traction and steering. The engine will be limited to 4000rpm and horsepower will be limited. All performance for the car will be locked out and there will be nothing that the valet could do to harm your vehicle.


The new 2015 Dodge Challenger SRT will come with exclusive “77” eight-spoke aluminum rims that will be 20 x 9 inch and painted Hyper Black. The will be wrapped with 245/45ZR20 Goodyear RSA2 All-Season tires or optional Goodyear F1 Supercar three-season tires.

The 2015 Dodge Challenger SRT with the Hellcat engine will feature bigger 20 x 9.5 inch “Slingshot” split seven spoke wheels made out of a lightweight forged aluminum wrapped in P275/40ZR20 Pirelli P Zero Nero tires, which will be rated for all four seasons. They will have a matte black finish and will be available on the 392 if you opt for the SRT Track Pack. You will also be able to get the Hellcat with Brass Monkey/dark finish wheels.


Bringing the 2015 Dodge Challenger SRT with the Hellcat engine to a stop are 15.4 inch Brembo two piece rotors with 6-piston calipers front brakes. These will largest brakes ever put on an SRT vehicle. They will provide excellent braking power as well as good thermal capacity and little brake fade. They will also be available on the 392 Challenger if you opt for the track pack. They have also programmed the ABS system, ESC and traction control to be tuned for the specific powertrain and tires.

Exterior Features

Dodge wanted to get the most out of the new 2015 Challenger with the Hellcat, so they spent a lot of time in a full scale wind tunnel. They added exterior features that would give the Hellcat better down force and engine cooling with improved aerodynamics.

The grill has been revised for the 2015 model year so that it gives more of a look to the 1971 Challenger that it draws its inspiration from. It also has dedicated cold air intakes that harken back to the 1996 Dodge Viper.

The new Hellcat features a hood that has dual air extractors that will help to cool the engine, as well as make it so that there is less air turbulence in the engine compartment for better aerodynamics. The hood will be made out of a lightweight aluminum that can be painted the color of the car or a Satin Black.