2006 Jeep Grand Cherokee SRT8 Review

Preview

Muscle-Bound

A bulked-up version of Jeep's Grand Cherokee smokes the pavement with a high-output Hemi V8.

by Jim Gorzelany

After completely redesigning the Grand Cherokee for 2005, Jeep is pumping up its power with a potent Hemi V8 engine. The resulting 2006 Grand Cherokee SRT8 isn't just a high-horsepower tire-scorcher though: It has a modified suspension and steering for better handling as well.

Few, if any, SUVs offer as much performance per dollar. The Grand Cherokee SRT8 takes on high-powered competition from BMW, Mercedes-Benz, Porsche and Land Rover at a more reasonable price. And it isn't even the most expensive model in the Grand Cherokee lineup; that distinction goes to the opulently equipped Overland version that’s likewise new for 2006.

The SRT8 follows one of Detroit automakers' most successful formulas: Cram as large an engine as possible under the hood of an otherwise unassuming family vehicle, and add other performance upgrades that imbue sports car capabilities.

A 6.1-liter Hemi V8 generates an explosive 420 hp and a tire-burning 420 pound-feet of torque. It’s essentially a modified version of the Grand Cherokee’s 5.7-liter Hemi that winds up 85 horses stronger in the process. This powerplant is capable of propelling the vehicle to 60 mph from a standstill in just under five seconds, which puts it in the heady company of some sports cars, to say nothing of how it compares with regular SUVs.

The 6.1-liter V8 is mated to a five-speed automatic transmission that includes a manual-shift function. This gearbox, along with the model’s chassis and full-time four-wheel-drive systems, has been tweaked to handle the added power. Under normal driving conditions the 4WD system channels 90 percent to 95 percent of the engine’s power to the rear wheels, but can send as much power as needed to the front axle when additional traction is required. This system is geared more toward on-road driving than off-road.

To that end the SRT8 sits an inch lower than other Grand Cherokees and rides on massive 20-inch five-spoke forged aluminum wheels and performance tires, with a revised suspension setup for spirited handling. Beefed up antilock disc brakes rein in the added horses and the standard Electronic Stability Program has been upgraded to help maintain traction during extreme cornering maneuvers.

Model-specific styling cues include a revised front fascia that’s designed to reduce lift and drag while routing air flow to cool the brakes and engine. The recast rear fascia incorporates a center cutout to accommodate dual four-inch exhaust tips. Lower body extensions create aerodynamic downforce to help maintain stability. The roof rack available on other Grand Cherokee models didn't make it to the SRT8 as it would've compromised high-speed aerodynamics.

Inside, the vehicle is distinguished by sporty seats with deep side bolsters and suede inserts. Carbon fiber and aluminum trim the cabin. Equipped roughly on par with a Grand Cherokee Limited, SRT8 options include a rear-seat DVD player, navigation system, and hands-free Bluetooth cell phone connectivity.

Is the Grand Cherokee SRT8 for You?

Buy This Vehicle If You want an SUV that outperforms some sports cars; you enjoy sharp handling but require the towing and hauling versatility of an SUV; you're a Hemi fan.

Keep Looking If You need seven-passenger seating, want a more car-like SUV, like to tackle tough off-road trails or require more practicality than the SRT8 affords.

Who Fits? Four large adults can ride over long hauls in reasonable comfort, and a fifth can squeeze in the back for briefer trips without complaints; shorter motorists will appreciate the standard adjustable brake/accelerator pedals.