2005 Jeep Grand Cherokee 5.7 V8 HEMI (WK): The Start of a New Jeep Era

The 2005 Jeep Grand Cherokee 5.7 V8 HEMI (WK) marked a major milestone in Jeep history. As the first model of the third-generation Grand Cherokee (WK), it introduced new levels of refinement, technology, and raw power to the lineup.

Under the hood, the 2005 model carried the 5.7-liter HEMI V8 engine, an iconic powerplant known for its blend of muscle and efficiency. This version of the Grand Cherokee offered a perfect mix of performance, comfort, and off-road capability, making it one of the most balanced SUVs of its time.

It was a true game-changer — a vehicle that redefined what a luxury performance SUV could be.

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Design and Exterior: Muscular Yet Modern

When it debuted, the 2005 Grand Cherokee (WK) introduced a completely redesigned exterior that was both sleeker and more aerodynamic than its predecessor (the WJ).

Key Exterior Highlights:

• Bolder seven-slot grille maintaining Jeep’s iconic identity.

• Wider stance for improved stability and handling.

• Sharper body lines giving it a modern yet rugged appeal.

• Projector-style headlamps for improved visibility.

• Flared wheel arches accommodating up to 18-inch wheels.

• Dual chrome exhaust outlets unique to the 5.7 HEMI model.

• Optional roof rails and fog lights for utility and style.

The design reflected Jeep’s transition into the modern SUV market — sophisticated enough for city streets, but tough enough for trails.

Interior and Comfort: Premium Feel with Jeep Durability

Inside, the 2005 Jeep Grand Cherokee WK brought a leap in quality. The cabin design was both functional and luxurious, appealing to drivers who wanted refinement without losing rugged practicality.

Interior Features:

• Leather-trimmed seating surfaces with available heating.

• Driver-focused cockpit layout with intuitive controls.

• Woodgrain and metallic accents for a premium touch.

• Spacious seating for five passengers with generous legroom.

• Fold-flat rear seats for additional cargo space.

• Dual-zone climate control system for personalized comfort.

• Optional premium sound system from Boston Acoustics.

Every element inside the WK aimed to create an environment that was comfortable, quiet, and commanding — ideal for long drives and off-road adventures alike.

Engine and Performance: The Legendary 5.7L HEMI V8

The star of the show was undoubtedly the 5.7-liter HEMI V8 engine, which transformed the Grand Cherokee into a powerful performer.

Engine Specifications:

• Engine Type: 5.7-liter HEMI V8

• Horsepower: 330 hp

• Torque: 375 lb-ft

• Transmission: 5-speed automatic

• Drivetrain: Rear-wheel drive or optional 4WD

The HEMI engine used Multi-Displacement System (MDS) technology, which deactivated four of the eight cylinders during light load conditions — improving fuel efficiency without sacrificing power.

This technology made the 2005 Grand Cherokee both powerful and practical, setting a new benchmark in its class.

Driving Dynamics: Smooth Power and Confident Handling

The 2005 Grand Cherokee WK was built on a new platform that dramatically improved ride quality and handling over the previous generation.

Performance Highlights:

• Independent front suspension for enhanced comfort.

• Five-link rear suspension improving stability and control.

• Tight, precise steering for improved maneuverability.

• Powerful brakes providing reliable stopping power.

• Balanced weight distribution enhancing on-road performance.

The SUV delivered impressive acceleration, with a 0–60 mph time of about 7 seconds, making it one of the quickest Jeeps of its time.

Off-Road Capability: True Jeep DNA

Despite its modern luxury, the 2005 Grand Cherokee 5.7 HEMI remained a true Jeep when it came to off-road prowess.

Off-Road Systems:

• Quadra-Trac II and Quadra-Drive II 4WD systems for superior traction.

• Two-speed transfer case with low-range gearing.

• Hill-start and hill-descent control for added stability.

• High ground clearance and skid plates for rough terrain.

• Selectable terrain modes optimizing traction on snow, mud, or rocks.

Whether climbing steep hills or crossing rivers, the Grand Cherokee handled it all with Jeep’s signature confidence.

Technology and Safety Features

The 2005 WK Grand Cherokee introduced advanced technology and safety systems that elevated the driving experience.

Notable Features:

• Electronic Stability Program (ESP) for improved control.

• Anti-lock braking system (ABS) with brake assist.

• Traction control for slick conditions.

• Tire pressure monitoring system (TPMS).

• Multiple airbags, including side-curtain airbags.

• Optional GPS navigation system with voice guidance.

• Premium sound and entertainment systems.

These innovations made the 2005 Grand Cherokee one of the most technologically advanced SUVs of its generation.

Fuel Economy and Efficiency

Even with its powerful V8 engine, Jeep engineered the WK for reasonable fuel economy using the MDS cylinder deactivation system.

Estimated Fuel Economy:

• City: 13 mpg

• Highway: 18–19 mpg

• Combined Range: Around 16 mpg

For a 330-horsepower SUV, these numbers were competitive — proof that performance and efficiency could coexist in a full-size 4×4.

Towing and Utility

The 2005 Grand Cherokee 5.7 HEMI offered serious utility for those who needed more than just performance.

Capabilities:

• Maximum Towing Capacity: Up to 7,200 lbs

• Payload Capacity: 1,150 lbs

• Roof Rack Load Rating: 150 lbs

Whether towing a boat, trailer, or camper, this SUV had the muscle and stability to handle it effortlessly.

Maintenance and Reliability

The 5.7 HEMI engine has earned a reputation for durability. With regular oil changes, spark plug service, and transmission maintenance, these engines often exceed 200,000 miles of reliable performance.

The 2005 Grand Cherokee’s solid construction and proven drivetrain make it a dependable choice for enthusiasts and families alike.

Market Value and Legacy

Nearly two decades later, the 2005 Jeep Grand Cherokee 5.7 V8 HEMI (WK) remains a popular and collectible model among SUV fans.

It represents the perfect balance of classic Jeep capability and modern refinement, offering both off-road power and daily comfort.

Well-maintained examples are still sought after for their HEMI performance, timeless design, and reliability.

Specifications Overview

Conclusion: The Beginning of a New Jeep Era

The 2005 Jeep Grand Cherokee 5.7 V8 HEMI (WK) was more than just an SUV — it was a bold step into the future for Jeep.

With its powerful V8 engine, refined design, advanced technology, and legendary off-road capability, it set new standards for performance SUVs.

Even today, it remains a symbol of Jeep’s commitment to strength, versatility, and innovation, making it one of the most respected Grand Cherokees ever built.