
With 425-horsepower 6.1-liter Hemi V8, replaced the pent star’s new 6.4-liter Hemi V8 engine that first appeared in the new Challenger SRT8 392. The new V8 produces 465 horsepower and 465 pound-feet of torque, up 40 ponies and 45 lb-ft versus the outgoing engine. What's more, that upgraded output is also more usable for 2012, as Chrysler tells us we can expect an additional 80 lb-ft of torque at 2,900 rpm, which translates into more thrust from a standstill. How much? Official estimates are 0-60 "in the high four-second range," and a quarter-mile time of fewer than 13 seconds. The transmission of choice will be the carryover five-speed automatic,...