Stellantis Media Site 2006 Jeep® Grand Cherokee SRT8 Feature Highlights Contact: Amy  Knight Todd  Goyer 2006 Jeep® Grand Cherokee SRT8 Feature Highlights August 31, 2005,  Auburn Hills, Mich - Automatic Transmission only Maximum-rated Trailer Tow Capability 3,500 lbs. Body Colors: Bright Silver Brilliant Black Inferno Red Unibody construction All-new front fascia with integrated brake ducts All-new rear fascia with cutouts for four-inch exhaust tips No body cladding or roof rails MOPAR® sill extensions Sun roof option Grille insert Interior Power-adjustable, deeply sculpted performance front seats Front seat uniquely patterned performance suede inserts “Carbon-Fiber” technical finish on: Leather-wrapped steering wheel Instrument panel brow Shift knob Refined aluminum finish on: Center stack Shifter Door-switch bezels Upgraded trim on seats and steering wheel Refined aluminum instrument panel inserts Refined aluminum switch bezels Instrument cluster includes 180-mph (300 kph) speedometer, tachometer and temperature gauges Instruments trimmed with unique blue accent with carbon-fiber binnacle Oil pressure and temperature displayed in specially configured unit in center of instrument panel Electrical and Electronic Systems Premium audio system Available DVD-based GPS navigation system with turn-by-turn directions and voice prompts Available SIRIUS Satellite Radio Available UConnect™ hands-free communication system with Bluetooth™ technology Powertrain 6.1L HEMI® engine (420 horsepower/420 ft.-lb.) SRT upgraded A580 five-speed automatic transmission Full-time four-wheel drive Unique MD146 SRT transfer case Unique air induction Unique intake manifold (common with LX SRT) Unique exhaust manifolds Upgraded Dana 44 rear differential Chassis New dual rear exhaust system w/unique bright center-exit tips New 20-inch wheels (five-spoke forged aluminum) New center caps New tires (255/45/20-front, 285/40/20-rear; W-rated, run-flat four-season) New brakes (four-wheel ABS, 360 mm rotors, front; 350 mm rotors, rear; Gloss Black calipers) ESP stability system Enhanced cooling system Modified steering system Brake ducts