A full 707 horsepower and 650 lb-ft of torque, a 3.6-second 0-to-60 time, sub-12 second quarters, and a hefty 4488-pound curb weight—any way you look at it, the Dodge Challenger Hellcat is all about staggering numbers. But here’s one number we didn’t see coming: The ‘Cat has earned an EPA highway fuel-economy rating of 22 […]