The 2018 Challenger SRT Hellcat Widebody is a muscle car that flexes harder — and wider. The new widebody design fender flares add width and an aggressive look to the high-performance 2018 Challenger SRT Hellcat Widebody.  


Dodge and SRT enthusiasts have been clamoring for a factory-production Hellcat with even more grip. We listened. To start, Dodge engineers and designers took the world’s fastest quarter-mile production car,* the new Challenger SRT Demon, and transferred its style to the new 2018 Challenger SRT Hellcat Widebody for improved performance on the street and a bolder, more aggressive new look.  


Here’s a taste of what the 2018 Challenger SRT Hellcat Widebody has in store …  
Fenders, Tires and Intimidating Design  

You wanted more grip? You got it. With the new Widebody fender flares that add 3.5 inches to the overall width of the Challenger Hellcat, the Widebody model joins the Challenger SRT Demon as the widest Challengers ever. These wider fender flares cover the new 20 x 11-inch “Devil’s Rim” split-five-spoke aluminum wheels, which ride on new, wider 305/35ZR20 Pirelli P-Zero tires with a new tread pattern for added grip on the road and the track.  


Complementing the 2018 Challenger SRT Hellcat Widebody’s menacing stance is a power-bulge aluminum hood with center intake and dual heat extractors; Hellcat-exclusive new grille and fender badges, along with a raised SRT Hellcat badge on the rear spoiler; exclusive illuminated air-catcher headlamps that feed air directly into the air box and engine bay through the center of the parking lamps; and quad projector headlamps that give a unique detailed appearance, while the aggressive brow “chops” the upper portion of the lamp design for a sinister look.  

Supercharged Hellcat Performance  

Under the hood, the 2018 Dodge Challenger SRT Hellcat Widebody owns the road and the track. Powered by the 6.2-liter supercharged HEMI® V8 with 707 horsepower and 650 lb-ft of torque, the 2018 Dodge Challenger SRT Hellcat Widebody can be paired to either the Tremec six-speed manual or TorqueFlite® eight-speed automatic transmission.  

On the track, the 2018 Dodge Challenger SRT Hellcat Widebody boasts a top speed of 195 mph, and 0-60 mph acceleration improved by .1 second (3.4 in Widebody vs. 3.5 in standard Hellcat). Even more, the ¼-mile elapsed time (ET) improved by approximately .3 sec (10.9 ET in Widebody vs. 11.2 ET in standard Hellcat), while the road course lap time on a 1.7-mile track lowered by approximately 2 seconds per lap. Lateral skid pad grip increased by .04 g (.97 g in Widebody vs. .93 g in standard Hellcat).  

Upgraded Steering and Handling  

The 2018 Challenger SRT Hellcat Widebody is equipped with a new electric power steering (EPS) system with SRT Drive Modes that add new selectable steering tuning for the first time on a Hellcat model. The new EPS and SRT Drive modes offer drivers a tailored experience by controlling horsepower, transmission shift speeds, steering, paddle shifters (automatic transmission only), traction and suspension. On the road and the track, owners will experience improved handling, and will notice better steering feel and ease of turning efforts at parking lot speeds.  


In addition to steering, the 2018 Challenger SRT Hellcat Widebody features a standard Brembo® brake system that includes two-piece 15.4-inch front rotors and six-piston front calipers that help provide outstanding heat management and longevity. And for even more control, the front splitter (shared with Demon) and rear spoiler (from Hellcat) deliver responsive and balanced handling at high speed.  
Get Behind the Wheel  

The new 2018 Challenger SRT Hellcat Widebody completes the Dodge brand’s most powerful muscle car lineup ever, and will be available late summer of 2017 in 15 exterior color options. All customers who buy the new 2018 Dodge Challenger SRT Hellcat Widebody receive one full-day session at Bob Bondurant School of High-performance Driving. For more information, visit  

Are you clamoring for more speed and power? Learn more about the Dodge SRT lineup at  

*Current production vehicles, based on 1/4-mile time.


  • Posted July 21, 2017 at 10:10 pm | Permalink

    Great looking car. The demon and these widebody hellcats are definitely a nice boost for the dodge brand. Definitely heading in the right direction and sticking to your roots. Keep making amazing powerful cars!

  • David
    Posted July 30, 2017 at 8:29 pm | Permalink

    [1] Golden Mean (GM)=1.618033…=(to three sig. fig.)1.62. [2] OD=outside diameter; t=tire; w’=wheel rim OD + its flange. [3] For an F60-15 (1970 Hemi Road Runner and ‘Cuda) ODt/ODw’=26.3/16.5=1.59 for a GM departure of -1.85%; for a P265/60R18 (2011 Durango) ODt/ODw’=30.5/19.5=1.56 for a GM departure of -3.70%; for a 245/45ZR20 (2016 Challenger Scat Pack) ODt/ODw’=28.7/21.5=1.33 for a GM departure of -17.9%; for a 305/35ZR20 (2018 Hellcat Widebody) ODt/ODw’=28.4/21.5=1.32 for a GM departure of -18.5%. [4] The GM is supposed to represent the ratio which is most pleasing to the eye.

    • David
      Posted August 1, 2017 at 8:36 pm | Permalink

      The G60-15 tire was an option on the 1971 Hemi Plymouths and it wins the beauty prize. With an ODt of 26.8 inches, its GM departure is 0%.

  • David
    Posted August 3, 2017 at 3:02 pm | Permalink

    I’d be very interested to see a computer rendering of a Hellcat Widebody exterior, or any other Challenger trim level, in the 1970 Mopar color named Burnt Orange (code FK5). As a bonus, fully color (i.e., use a single color theme) the interior in the coordinated Burnt Orange pattern that was also available in 1970, along with a woodgrain dash. If there is a car with a more beautiful color combination than this, I’ve never seen it and can’t imagine it. Should Dodge agree, perhaps FK5 will appear on a future color pallet.

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  • David
    Posted August 27, 2017 at 9:16 pm | Permalink

    As a general rule, I prefer my cars and damsels be neither flared nor wide-bodied.

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