The new 2018 Dodge Challenger SRT® Demon is the most-powerful muscle car ever with 840 horsepower and 770 pounds-feet of torque from its supercharged 6.2-liter HEMI® Demon V-8 engine. After more than a century of making trouble, we craft muscle cars, compacts, crossovers and SUVs with massive doses of attitude. Built for top performance — from power off the line to handling in the corners — every Dodge vehicle delivers an impressive combination of power, technology, capability and efficiency. If you have questions about our products or would like to contact Dodge directly, please use the "Contact Us" option from our website: http://www.dodge.com.