The most powerful, technologically advanced, high-performance Jeep vehicle ever – the all-new 2012 Jeep Grand Cherokee SRT8 – arrives this summer with a combination of Jeep’s legendary capability and utility, merged with the renowned advanced performance engineering from Chrysler Group LLC’s Street and Racing Technology (SRT) team.

Delivering outstanding driving performance in all conditions, and complemented by key SRT attributes – including functional, performance-oriented styling, world-class ride and handling, benchmark braking and race-inspired interior appointments – the 2012 Jeep Grand Cherokee SRT8 broadens the Jeep vehicle lineup and builds upon the successful launch of the award-winning 2011 Jeep Grand Cherokee.

Designed and built using the proven SRT formula that raises the performance to astonishing levels, the new 2012 Jeep Grand Cherokee SRT8 runs from 0-60 mph in 4.8 seconds, 0-100-0 mph in the mid-16 second range, can cover the quarter mile in the mid-13 second range, has a top speed of 155 mph, and brakes from 60-0 mph in 116 feet.

Owners of any Chrysler Group SRT vehicle receive one day of professional driving instruction from the Richard Petty Racing School as part of the SRT Track Experience, designed to maximize their driving knowledge and skills on the street or track. Sessions are held throughout the year at selected tracks.

Powering the 2012 Jeep Grand Cherokee SRT8 is Chrysler Group’s all-new 6.4-liter HEMI V8 with Fuel Saver Technology that delivers an estimated 465 horsepower and 465 lb.-ft. of torque – an improvement of 45 horsepower and 45 lb.-ft. torque over the 6.1-liter HEMI V8 it replaces.

An active intake manifold and high-lift camshaft with cam phasing delivers maximum low-end torque while optimizing high-end power across a wider and improved rpm band. Specifically, 90-percent of peak torque is available between 2,800 and 6,000 rpm, allowing for inspired standing starts and improved straight-line performance.

Standard Fuel Saver Technology and a new-for-2012 active valve exhaust system allows four-cylinder operation to engage over a wider rpm range, to deliver both improved fuel efficiency – an estimated 13-percent increase on the highway – and an extended range of approximately 450 miles on one tank of gas.

Standard steering wheel mounted paddle shifters join the standard AutoStick on the floor. Both are mated to a proven automatic transmission, allowing a choice of spirited shifting on the road and the race track. Both methods give the driver the ability to shift while the transmission controller calibration prevents situations that might over rev the engine. Fully adaptive electronic control of all shifting makes the powertrain more responsive while minimizing harshness.

For 2011, all Jeep Grand Cherokee models boast an improved and refined on-road ride thanks in part to the vehicle’s body structure. Torsional stiffness was improved 146 percent versus the previous model, for improved ride, durability and reduced noise, vibration and harshness. The improvement is achieved with more than 5,400 welds in the body alone, marking a 53-percent increase in spot welds, a 42-percent increase in arc welds and a 38-percent increase in structural adhesive.

With the new 2012 Grand Cherokee SRT8, engineers have improved handling even further.

The best handling Jeep vehicle ever – capable of .90 g on the skid pad – features a new SRT-tuned, adaptive damping suspension managed by the new Jeep Selec-Track system that interacts with several different systems (stability control, adaptive damping, transmission shift strategy, transfer case torque proportioning, Electronic Limited Slip Differential performance, throttle control and cylinder de-activation) to automatically tune the dynamics of the vehicle. Drivers can manually choose between five dynamic modes for specific driving conditions.

New for 2012 is the available 825-watt, 19-speaker premium SRT performance audio surround-sound system from Harman Kardon® that includes a 10-inch subwoofer for the ultimate in sound quality.

A wide variety of easy-to-use infotainment options are available with features that provide customers with seamless integration of consumer electronics, delivering drivers and passengers the conveniences of home and office.

Garmin Navigation and SIRIUS Travel Link are standard with the 430N AM/FM/CD/DVD radio. Also standard are a multitude of features including SIRIUS Satellite Radio and Uconnect Phone.

The available Vehicle Entertainment System (VES) includes a DVD player and rear seat overhead screen that deliver a variety of programming choices, with ports to connect games and media players with audio and video output capability, including iPod connectivity. The Media Center or the VES remote can control multiple screen inputs and each screen can play something different.