2005 Jeep Grand Cherokee

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2005 Jeep Grand Cherokee Information

Vechicle Specifications (pdf)

Pricing
Jeep Grand Cherokee Laredo 4 x 2 $26,775
Jeep Grand Cherokee Laredo 4 x 4 $28,745
Jeep Grand Cherokee Limited 4 x 2 $32,100
Jeep Grand Cherokee Limited 4 x 4 $34,690

All-New 2005 Jeep® Grand Cherokee: The Next Generation

  • Inside and Outside, the Grand Cherokee Cuts a Trail No Other SUV Can Follow
  • Innovative 4 X 4 Systems Continue to Set the Benchmark for Off-road Capability and On-road Refinement
  • Available 5.7-Liter HEMI® V-8 Engine Takes Grand Cherokee Performance to a New Level

    The all-new 2005 Jeep® Grand Cherokee raises the performance bar to a new level by offering improved capability and superior on-road ride and handling in a well-appointed package with a number of premium amenities.

    With best-in-class tractive capability and best-in-class power, the newest generation Jeep Grand Cherokee is designed, engineered and built to master every imaginable day-to-day driving condition, whether on paved or unpaved surfaces.

    "The Jeep Brand continues to be the only American brand dedicated solely to the sport-utility market," said Jeff Bell, Chrysler Group Vice President - Jeep. "Customers expect every Jeep to set the standard for off-road capability, and the all-new Jeep Grand Cherokee will not disappoint. What is unexpected is that the Jeep Grand Cherokee will also be the leader in on-road performance excitement."
    Class Leading 4-Wheel Drive Capabilities
    Three new full-time four-wheel-drive systems are available on Grand Cherokee.
  • Quadra-Trac® I utilizes the NV140 single-speed transfer case to provide convenient full-time four-wheel drive with no transfer case lever to shift or driver interaction required.
    Offering a single-speed transfer case attracts a new group of buyers to the Jeep Grand Cherokee lineup and builds on the capable, entry-level, two-wheel drive versions, which currently account for approximately 25 percent of Jeep vehicle sales.
  • Quadra-Trac® II incorporates the new NV245 transfer case that provides full-time active four-wheel drive, which anticipates and prevents wheel slip for optimum traction during a wide range of conditions. The NV245 also includes electronic shift with a true low-range gear and neutral for towing Grand Cherokee behind another vehicle.
  • Quadra-Drive® II takes unparalleled Jeep capability to an even higher plateau using Electronic Limited Slip Differentials (ELSD) to give customers the ultimate in off-road capability. ELSD replace the Vari-Lock progressive axles used on the Quadra-Drive system from previous generation Jeep vehicles for even quicker response to changing conditions and greater torque capacity.
    New Engines Delivering Superior Performance
    For the first time ever, the 5.7-liter HEMI® V-8 engine is available on a Jeep vehicle to provide best-in-class power. Also, the 3.7-liter SOHC V-6 will replace and deliver even more peak power than the previous 4.0-liter I-6 engine in the Jeep Grand Cherokee lineup. The 4.7-liter SOHC V-8 engine will also continue to be available on Jeep Grand Cherokee.

    Jeep Grand Cherokee is the first sport-utility vehicle to offer the Multi-Dis-placement System (MDS). MDS deactivates half the cylinders of the 5.7-liter HEMI during cruising and light acceleration to increase fuel economy by up to 20 percent, depending on driving conditions. Ninety percent of peak torque is available from 2400 to 5100 rpm for excellent performance while trailer towing, traveling off-road as well as city and highway driving. A sophisticated Electronic Throttle Control (ETC) system tailors throttle response to pedal movement based on operating conditions, and maintains more consistent vehicle speed on rolling grades when cruise control is active than the former mechanical throttle control system.

    With approximately seven percent less displacement, the 3.7-liter V-6 produces more peak power than the 4.0-liter I-6 engine it replaces, while producing comparable torque. The engine also provides smoother, quieter operation, added durability, and contributes to better packaging. This engine, first introduced on Jeep Liberty and Dodge Ram models, shares many design features with the 4.7-liter Power Tech V-8 engine.
    All-New Suspension and Steering System Provides Best-in-Class Ride and Handling
    An all-new independent front suspension provides the driver with a greater sense of precision and control, more precise steering, and reduces vehicle weight and head toss. Front suspension wheel travel is increased 13 percent over the previous generation vehicle, and a tight turning diameter of 37.1 ft. is improved over the current Jeep Grand Cherokee to provide even more nimble handling.

    The new five-link rear suspension geometry, including a track bar, also improves lateral stiffness to match that of the front suspension for optimum handling.

    The innovative Dynamic Handling System (DHS) is standard with the 5.7-liter HEMI engine - a Chrysler Group first application of a hydraulic-controlled active stabilizer system. DHS delivers a high level of driver confidence by significantly reducing body roll, resulting in sportier handling when turning or maneuvering, while providing a smoother ride when traveling straight ahead.

    Also offered for the first time, Electronic Stability Program (ESP) aids the driver in maintaining vehicle directional stability in severe driving maneuvers on any type of surface. Using signals from sensors throughout the vehicle, the system determines the appropriate brake and throttle adjustments for directional stability of the vehicle.

    Grand Cherokee's new rack-and-pinion steering system imparts a more precise steering feel translated to the driver through fewer linkages than a recirculating ball steering system. Even with the 2.5-inch increase in track, Grand Cherokee's nimbleness and tight turning diameter are maintained with the new steering system.
    All-New Five-Speed Automatic Offers Premium Refinement
    An all-new five-speed automatic transmission offers smooth shifts and optimum fuel economy with the 3.7-liter V-6. The carryover 545RFE five-speed automatic transmission used with the 4.7-liter V-8 and 5.7-liter V-8 HEMI has been refined for higher-quality shifts while increasing the Grand Cherokee's maximum towing capacity.

    Both transmissions feature Electronic Range Select (ERS) driver interactive shift control for the first time on Grand Cherokee. The shifter provides fully-automated shifting when in the "drive" position, or the driver can manually select each gear by simply moving the shifter left and right from the "drive" position. This gives the driver control to precisely match any on-road or off-road driving requirement.

    A new stamped steel transfer case skid plate mounts to the transmission cross member and fuel tank skidplate to provide off-road protection to the transfer case.
    Legendary Grand Cherokee Size, Styling and Comfort
    Grand Cherokee's new design provides a contemporary return of an athletic appearance. Up front, the signature seven-slot grille fianked by the functional round appearance high-performance halogen headlamps boldly dominates the design statement. These round headlamps unify the unmistakable front-end appearance of the entire Jeep lineup. A proportionally longer hood and greater distance between the center of the front axle and base of the windshield visually communicates a more powerful image. A flatter windshield and faster A-pillar achieves a more athletic appearance. The overall design also helps to improve vehicle aerodynamics and vehicle fuel economy. The body is shrink-wrapped to the package, enabling designers to emphasize the powerful wheel flares. Larger taillamps in the rear feature red and clear lenses for an upscale appearance. Overall, the 2005 Jeep Grand Cherokee preserves the right-size package that is critical for off-road use and provides nimble on-road handling.
    All-New Interior Provides Next Generation Sophistication
    Grand Cherokee's new interior is rich and inviting with a two-tone instrument panel, door trim and new finishes. Seat contours are precise and ergonomic with increased seat track travel. Increased headroom adds a feeling of even more spaciousness to the interior. The dramatic and elegant instrument panel design offers a high degree of precision and control. In the cargo area, features such as a reversible load floor panel enhance versatility and storage. New premium amenities - including GPS Navigation radio, rear seat DVD, Boston Acoustics audio, UConnect™ hands-free communication system, Smart Beam® and Rear-Park Assist - will be available on the new Jeep Grand Cherokee as well.
    The 2005 Jeep Grand Cherokee will be produced at the Jefferson North Assembly Plant in Detroit, starting in the third quarter of 2004. Assembly for markets outside North America will begin in the first quarter of 2005 at the Magna Steyr assembly plant in Graz, Austria.

    All-New Front Suspension and Steering Systems

    An all-new short- and long-arm (SLA) front suspension provides excellent handling and ride characteristics while improving Jeep Grand Cherokee's off-road performance.

    " Jeep is the only company that holds its engineers to such high standards for off-road capability and durability - AK3 and Jeep Trail Rated® - and can still deliver world-class SUV ride and handling performance," said Craig Love, Chrysler Group Vice President Activity Vehicles.

    Nodular iron, single-piece lower control arms feature an L-shaped geometry designed to provide higher ground clearance at the wheels than most IFS systems. Forged upper control arms provide strength and durability. Tall aluminum steering knuckles provide optimal steering and suspension geometry for excellent on-road handling and maneuverability. Coil-over shocks deliver high-performance control.

    Front suspension travel is increased by almost 10 percent (more than one inch) compared to the 2004 Grand Cherokee, further improving the 2005 Grand Cherokee's off-road capability.

    The advantages in using this uniquely designed front suspension include much improved handling, reduced head toss on and off road for a more comfortable ride, a savings of 100 pounds of unsprung mass for further improvement in ride quality, more precise steering and a lower center of gravity.

    The 2005 Grand Cherokee rear suspension builds on the success of previous generation Jeep multi-link systems. Four tubular control arms combine with a tubular track bar for total rear-axle control. The shock absorbers are positioned more vertically than in past models for greater body control and reduced head toss.

    The spring rates and shock dampening have been tuned to complement the front suspension for a highly balanced chassis.

    Grand Cherokee's new rack and pinion steering system imparts a more precise steering feel translated to the driver through fewer linkages than a recirculating ball steering system.

    Dynamic Handling System

    The innovative Dynamic Handling System (DHS) uses a hydraulic-controlled active stabilizer bar to minimize the traditional compromise between ride and handling. Traditionally, a stiff stabilizer bar improves handling, but diminishes ride quality. The Jeep DHS overcomes this by effectively decoupling the front and rear stabilizer bars except when they are needed to improve cornering performance.

    The DHS uses the steering angle sensor, center of gravity lateral accelerometer and upper lateral accelerometer to determine when the stabilizer bar is necessary. Actuators pressurize the bar links when the bar is required. While traveling straight on-road, the actuators float and the bar can travel to the limits of the links.

    DHS delivers a high level of driver confidence by significantly reducing body roll in tight turns, resulting in sportier handling and maneuvering, while providing a smoother ride when traveling straight ahead.

    New 4x4 Systems

    Quadra-Trac I
    For Jeep Grand Cherokee customers who want the assurance of full-time all-wheel drive and no switches or levers to pull, the Quadra-Trac I is the right system. The system provides for smooth operation of the vehicle over a variety of road surface conditions.

    The NV140 transfer case splits torque 48/52 percent (front/rear) for nearly even distribution of engine power. The single-speed transfer case has been designed to rigorous Jeep durability standards while offering smooth and quiet operation. The use of Brake Traction Control System (BTCS) with the NV140 transfer case makes the 4 x 4 system extremely competent in a variety of situations.
    Offering a single-speed transfer case attracts a new group of buyers to the Jeep Grand Cherokee lineup and builds on the capable, entry-level, two-wheel drive versions, which currently account for approximately 25 percent of Jeep vehicle sales.

    Quadra-Trac II
    The Quadra-Trac II 4 x 4 system for 2005 Jeep Grand Cherokee gives the customer the benefit of the NV245 active transfer case and BTCS.

    The transfer case is the same one used in the Quadra-Drive II system. It takes input from a variety of sensors to determine tire slip at the earliest possible moment and take corrective action. The system also uses Throttle Anticipate - sensing quick movement in throttle from a stop - and it takes steps to maximize traction before tire slippage even occurs.
    Torque is transferred to the individual wheels as needed by the BTCS to maintain traction in changing road conditions. When the system senses tire slip, it modulates brake pressure to the slipping wheel, which directs torque to the tires with the best traction.
    Quadra-Trac II features an electronic shift mechanism for ease-of-use. The transfer case also includes a neutral position for trouble-free towing behind another vehicle.

    Quadra-Drive II
    The Quadra-Drive II Jeep 4 x 4 system offers customers the ultimate in off-road capability. It combines the NV245 full-time transfer case with Electronic Limited Slip Differentials (ELSD) for best-in-class tractive performance. The system instantly detects tire slip and smoothly distributes engine torque to the tires with traction. In some cases, the vehicle will even anticipate low traction and adjust to proactively limit or eliminate slip.

    The heart of the system is the NV245 active transfer case. This transfer case includes a center differential coupled with an electronically controlled clutch pack, varying it from a completely open state to completely locked, and infinite possibilities in between. The 4-Low gear ratio is 2.72:1.

    Quadra-Drive II features an electronic shift mechanism with a unique engagement lever. The lever is conveniently located on the shift console. Pulling the lever up engages 4-Low. The lever returns to a resting position after activation. The transfer case also includes a neutral position for trouble-free towing vehicles, such as behind a motor home.

    A key component in the Quadra-Drive II system is the ELSD - an industry first application - and the new benchmark for automatic traction differentials. The ELSD use electronically controlled clutch packs to automatically and instantly vary from slip to lock at each axle. This maximizes traction when needed without any of the on-road drawbacks normally associated with such a robust 4 x 4 system.

    All components of the system work together, continually monitoring needs, to provide smooth and automatic application of the components for best-in-class tractive performance while improving the day-to-day on-road driving experience. For example, the ELSD releases the clutch packs in the front axle during turns to allow differentiation and prevent crow hop.

    Powertrain

    5.7-Liter HEMI V-8
    The modern HEMI has been engineered to deliver outstanding performance and reduced noise, vibration and harshness (NVH), resulting in a highly refined powerplant. The engine gives the Grand Cherokee best-in-class power and 90 percent of the engine's peak torque is available from 2400 through 5100 rpm for excellent performance. The engine produces 325 hp (242 kW) @ 5100 rpm and 370 lb-ft (502 Nom) @ 3600 rpm.

    Fuel economy has also been improved, but not at the expense of HEMI performance. Chrysler Group has developed the Multi-Displacement System (MDS) that deactivates four cylinders when the V-8 is not needed. No other manufacturer offers fuel-conserving MDS in an SUV.

    The Chrysler Group MDS seamlessly alternates between smooth, high fuel-economy four-cylinder mode when less power is needed and V-8 mode when more power from the 5.7-liter HEMI engine is in demand. This optimizes fuel economy when V-8 power is not needed, without sacrificing vehicle performance or towing capability.

    "The MDS was part of the engine's original design," said Bob Lee, Chrysler Group Vice President - Powertrain Product Team. "This resulted in a cylinder deactivation system that is elegantly simple and completely integrated into the engine design. The benefits are fewer parts, maximum reliability and lower cost."

    Some of the significant technologies enabling the MDS include the speed of electronic controls, the sophistication of the algorithms controlling the systems and the use of Electronic Throttle Control (ETC).

    The HEMI will be able to transition from eight cylinders to four in 40 milliseconds (0.04 seconds).

    "We challenge any driver to discern when the engine switches from either eight-to-four, or four-to-eight cylinder operation," said Lee.

    This engine with MDS has completed over 6.5 million customer-equivalent miles through Chrysler Group's development and durability testing. It is covered by the 7-Year/70,000-mile Limited Powertrain warranty.

    The HEMI engine that powers the 2005 Jeep Grand Cherokee uses aluminum cylinder heads with hemispherical combustion chambers, creating outstanding airflow leading to high power and torque. Dual ignition (two spark plugs per cylinder) increases peak power and torque, reduces exhaust emissions, increases fuel economy and provides a smooth idle. The combustion system has been refined and the engine uses direct-mount accessories for quieter operation.

    4.7-Liter SOHC V-8 Engine
    The 4.7-liter V-8 has been updated and is now the mid-range engine in Grand Cherokee. The engine produces 230 hp (172 kW) @ 4700 rpm and 290 lb-ft (393 Nom) of torque @ 3700. Dual knock sensors have been added for 2005 and enable improved engine calibration for both fuel economy and power output.

    The engine has improved NVH characteristics, realized through the use of composite valve covers, structural improvements to the air box and resonator and improved dampening of the heat shields.

    3.7-Liter SOHC V-6 Engine
    The 3.7-liter V-6 engine provides the 2005 Jeep Grand Cherokee with an efficient, durable and smooth base engine. It produces 210 hp (157 kW) @5200 rpm and 235 lb-ft (319 Nom) @4000 rpm. The 3.7-liter SOHC V-6 will replace and deliver even more peak power than the previous 4.0-liter I-6 in the Jeep Grand Cherokee lineup. The engine was first introduced in the Jeep Liberty and has been continuously refined to provide smooth V-6 power with optimal economy.

    Significant changes in the 3.7-liter include a revised cam profile and new valve lash adjusters. These changes improve the engine smoothness at idle. To ensure quiet operation, a new thick-wall composite manifold is new for 2005, as are structural improvements to the air box and resonator.

    High-Performance Five-Speed Automatic Transmissions
    An all-new five-speed automatic transmission offers smooth shifts and optimum fuel economy with the 3.7-liter V-6. The 545RFE five-speed automatic has been refined for higher-quality shifts while increasing the Grand Cherokee's maximum towing capacity.

    The all-new five-speed has an Electronically Modulated Converter Clutch (EMCC). The torque converter clutch is electronically modulated and provides for partial engagement in third, fourth or fifth gears. This results in improved shift feel, fuel economy, driveability and transmission cooling. It can be used at lower speeds to provide benefits over a broad speed range. The system unlocks the torque converter when optimal performance is required.

    The shift schedule for the five-speed used in V-6 applications adapts to individual driving style, driving situation and road conditions, altering shift points based on accelerator pedal usage, brake usage, lateral acceleration, altitude and load on the car as a result of grades. An electronically-controlled engine Torque Management System provides quick wide-open-throttle upshifts and quick two-step (4-2 or 3-1) kick-down shifts that are exceptionally smooth.

    Transmission ratios are:
    1st 2nd 3rd 4th 5th Reverse
    3.59 2.19 1.41 1.00 0.83 3.16

    The 545RFE five-speed transmission has been refined to offer smoother operation and better economy while improving the performance and towing capability of the vehicle.

    To accomplish all this, several features were added, including a redesigned solenoid to provide quieter operation when shifting from "park" into "drive." A turbine damper also improves NVH, related to torque converter application.

    The 545RFE continues to offer dual second-gear ratios to provide a balance of performance and fuel economy. Depending on driving conditions, the transmission will select the more appropriate second gear. A secondary overdrive ratio increases highway fuel economy and reduces engine noise at high speeds.

    Transmission ratios are:
    1st 2nd 3rd 4th 5th Reverse
    3.00 1.67 primary 1.00 0.75 0.67 3.00
    1.50 alternate


    All data provided by DaimlerChrysler

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