The Jeep ZJ Grand Cherokee, introduced for the 1993 model year, redefined what an SUV could be. It blended the rugged, go-anywhere capability that Jeep was famous for with a level of on-road comfort and refinement rarely seen in the segment at the time. Over its six-year production run (1993–1998), the ZJ Grand Cherokee earned a loyal following among off-road enthusiasts, daily drivers, and collectors alike. In this comprehensive review, we will explore the pros and cons of this iconic SUV, providing an in-depth look at its strengths, weaknesses, and what it means to own one today.

History of the Jeep ZJ Grand Cherokee

Design and Development

The ZJ Grand Cherokee was developed under the Chrysler corporation after its acquisition of American Motors Corporation (AMC) in 1987. Unlike the boxy, truck-based SUVs of the era, the ZJ was designed from the ground up as a unibody vehicle. This construction choice—similar to the smaller Jeep Cherokee XJ—allowed for a lighter, more car-like ride while still maintaining serious off-road capability. The ZJ debuted at the 1992 North American International Auto Show and went on sale that fall as a 1993 model. Its sleek, aerodynamic styling was a departure from the angular lines of the Wagoneer and full-size Cherokee, and it immediately caught the attention of the public.

Generation Overview (1993–1998)

The ZJ generation spanned six model years, with several variants including the base Laredo, the upscale Limited, and the off-road-oriented Orvis edition (1995–1997). In 1996, Jeep introduced the 5.2L V8 as an option, later replaced by the more powerful 5.9L V8 in 1998, which created the short-lived but legendary 5.9 Limited. The ZJ also saw the introduction of the Quadra-Drive system in 1998, combining the NP242 transfer case with the Vari-Lok rear differential for superior traction. Although production ended after 1998—replaced by the WJ Grand Cherokee—the ZJ remains a favorite for those seeking an affordable, capable 4x4 with classic Jeep character.

Pros of the Jeep ZJ Grand Cherokee

Off-Road Prowess and Four-Wheel Drive Systems

Perhaps the most celebrated attribute of the ZJ Grand Cherokee is its off-road capability. Jeep offered several 4WD systems over the run: the Command-Trac part-time system (NP231), the Selec-Trac full-time/part-time system (NP242), and the late-model Quadra-Drive with the NP249 full-time case. The Selec-Trac, in particular, provides excellent versatility, allowing drivers to shift between 2WD, 4WD Full-Time, 4WD Part-Time, and 4-Lo. Combined with solid axles front and rear (Dana 30 front, Dana 35 or Chrysler 8.25 rear), the ZJ can tackle rock crawls, mud, snow, and sand with confidence. The aftermarket support for suspension lifts, bumpers, skid plates, and lockers is extensive, making the ZJ a favorite among trail builders. For more details on the transfer cases, check out this Wikipedia overview of the ZJ Grand Cherokee.

Comfortable and Spacious Interior

Inside, the ZJ Grand Cherokee offers a roomy cabin with seating for up to five occupants. The front seats are supportive and comfortable for long highway drives, while the rear seats provide respectable legroom for adults. Higher trim levels like the Limited came with leather upholstery, wood grain accents, power windows and locks, and a premium sound system. The dashboard layout is straightforward and intuitive, with large analog gauges and easy-to-reach controls. The interior materials are generally durable, and many owners report that the seats hold up well even after decades of use. The generous glass area provides excellent visibility—a key advantage over modern crossovers with high beltlines.

Engine Options and Performance

The ZJ was offered with three main engines across its production: the 4.0L AMC inline-six (the legendary 242 cu in "High Output" straight-six), the 5.2L V8 (Magnum), and the 5.9L V8 (Magnum, available only in 1998). The 4.0L six-cylinder is renowned for its reliability, torque, and simplicity. With around 190 hp and 225 lb-ft of torque, it provides ample power for daily driving and off-road use. The 5.2L V8 bumps output to about 220 hp and 300 lb-ft, making towing and highway passing effortless. The 5.9L V8 is the powerhouse: 245 hp and 345 lb-ft of torque, turning the ZJ into a true muscle SUV. All engines are mated to either a 4-speed automatic (42RE, 44RE, or 46RE depending on engine) or a 5-speed manual (AX15) available with the 4.0L in early models. The powertrains are tough and, with routine maintenance, can easily exceed 200,000 miles.

Versatile Cargo Space and Practicality

The ZJ Grand Cherokee features a split-folding rear seat (60/40 in later models) that folds flat to create a large, versatile cargo area. With the seats up, the cargo volume is approximately 39.8 cubic feet—enough for groceries, luggage, or outdoor gear. With the seats down, the space expands to a generous 79.6 cubic feet, rivaling many modern midsize SUVs. The rear cargo area includes tie-down hooks and a standard cargo cover for privacy. One notable feature is the rear tailgate glass that opens independently of the liftgate—a classic Jeep trait that allows quick access to smaller items without swinging the full door open. This practical design makes the ZJ an excellent choice for camping, road trips, and hauling gear.

Strong Resale Value and Enthusiast Community

Jeep vehicles typically hold their value well, and the ZJ Grand Cherokee is no exception—especially for well-maintained 4x4 examples with the 5.9L engine or rare manual transmission models. The strong aftermarket support and active online forums and communities (such as JeepZ.com) mean parts are widely available and knowledge is freely shared. This keeps ownership costs manageable and helps enthusiasts keep older ZJs on the road. Many consider the ZJ the last "real" Grand Cherokee before the WJ grew larger and more sedan-like, which adds a collectible appeal.

Cons of the Jeep ZJ Grand Cherokee

Fuel Economy Realities

Fuel efficiency is a significant downside for the ZJ Grand Cherokee, especially by modern standards. The 4.0L six-cylinder returns around 15–17 mpg combined in real-world driving, while the 5.2L V8 often struggles to reach 14 mpg. The 5.9L V8 is even thirstier, frequently delivering 10–12 mpg around town. For daily commuting or long-distance highway trips, the poor fuel economy can be a financial burden. Owners considering the ZJ should be prepared for frequent visits to the gas station, and it may not be the best choice for those with a high yearly mileage.

As a vehicle that is now over two decades old, the ZJ Grand Cherokee comes with its share of age-related issues. The most common problems include electrical gremlins (faulty door lock actuators, blown relays, and wiring issues), transmission failures (especially the 42RE/44RE units in early models), and cooling system leaks (water pump, radiator, and heater core). The rear main seal and oil pan gasket are prone to leaking, and the front suspension components (ball joints, track bar, and control arm bushings) wear out over time. Rust on the rear hatch, rocker panels, and floorboards is also a concern in salt-belt states. However, most of these issues are well-documented, and replacement parts are inexpensive—but the labor can add up if you're not mechanically inclined. For a thorough rundown of ZJ common issues, the JeepForum ZJ section is an invaluable resource.

Safety Features and Crashworthiness

The ZJ Grand Cherokee was designed in an era when crash safety standards were far less stringent than today. It does not have side airbags, stability control, or advanced crumple zones. The unibody structure is strong, but the lack of modern safety features means occupants are more vulnerable in a collision, especially side impacts. While the ZJ earned decent ratings in its day (IIHS moderate overlap and NHTSA frontal crash tests were acceptable for the time), it cannot compete with modern SUVs that boast dozens of airbags, automatic emergency braking, and reinforced cabins. Buyers with families or those concerned about safety should weigh this heavily.

On-Road Handling and Ride Quality

While the ZJ is comfortable on smooth roads, its live axles and relatively soft suspension can make it feel vague and floaty on highway curves. Body roll is noticeable, and the steering is slow and imprecise compared to modern unibody crossovers. The braking performance is adequate but not confidence-inspiring, especially on vehicles with original drum rear brakes (early models had rear drums; later models got rear discs). Tire noise can also be an issue with aggressive off-road treads. However, the ride quality on dirt roads and trails is surprisingly plush, as the suspension soaks up bumps well.

Rust and Corrosion Problems

Rust is perhaps the biggest enemy of the ZJ Grand Cherokee. The rear hatch is notorious for rusting along the bottom edge, and the rear wheel arches, rocker panels, and floor pans are also vulnerable. Some models had a factory issue with the rear window trim that trapped moisture and accelerated corrosion. For buyers in snowy climates where road salt is used, thorough inspection for rust is critical. Repairs can be costly and extensive, often exceeding the value of the vehicle. However, many rust-free examples still exist in southern and western states, so it pays to search carefully.

Comparing the ZJ Grand Cherokee to Its Rivals

In the 1990s, the ZJ Grand Cherokee faced competition from the Ford Explorer, Chevrolet Blazer/GMC Jimmy, and the Isuzu Trooper. The Ford Explorer offered a smoother ride and more cargo space, but its four-wheel-drive system was less rugged, and the solid front axle of the ZJ gave it superior off-road articulation. The Chevrolet Blazer had a more modern engine (the Vortec V6) and better fuel economy, but it lacked the ZJ's full-time 4WD option and aftermarket support. The Isuzu Trooper was more reliable and rust-resistant but was smaller inside and lacked a V8 option. Ultimately, the ZJ won over enthusiasts with its combination of V8 power, solid axles, and off-road credibility that rivals could not match.

Ownership Experience and Maintenance Tips

Owning a ZJ Grand Cherokee in 2025 requires a proactive approach to maintenance. The 4.0L inline-six is low-maintenance, but it thrives on regular oil changes (use 10W-30 or 10W-40, depending on climate) and cooling system attention. Replacing the water pump and thermostat every 60,000 miles can prevent overheating. The automatic transmissions benefit from fluid and filter changes every 30,000 miles. For the 5.2L and 5.9L V8s, pay attention to the engine's oil consumption and check for plenum gasket leaks (a common issue). The front axle u-joints and ball joints should be inspected regularly. If you live in a rust-prone area, apply undercoating or fluid film annually to slow corrosion. Keeping the ZJ stock or performing tasteful upgrades (such as adding a lift kit or lockers) can enhance the experience. Parts are generally affordable, and many repairs can be done with basic hand tools. The community support is excellent, so you will never be alone in troubleshooting issues.

Modifications and Upgrades for the ZJ Grand Cherokee

The ZJ is one of the most modifiable SUVs of its era. Popular modifications include adding a 3- to 6-inch suspension lift (using coils, control arms, and shocks) to clear larger tires. Many owners swap in Dana 44 axles from later Jeeps for added strength. Lockers (like ARB Air Lockers or Eaton E-Lockers) can be installed to dramatically improve off-road traction. For the 4.0L engine, adding a cold air intake, throttle body spacer, and a cat-back exhaust can free up a few horsepower. The 5.9L Limited is already a beast, but some owners do minor tuning and exhaust work. Interior upgrades include swapping seats from newer Grand Cherokees (WJ or WK) for improved lumbar support, or adding a modern stereo with Apple CarPlay. With a modest investment, the ZJ can be transformed into a capable overlanding rig or a nostalgic daily driver.

Conclusion

The Jeep ZJ Grand Cherokee remains an iconic SUV that successfully bridged the gap between rugged off-road performance and on-road comfort. Its pros—superb off-road capability, comfortable interior, powerful engine options, versatile cargo space, and strong aftermarket support—make it a compelling choice for adventure enthusiasts and collectors alike. On the other hand, its cons—poor fuel economy, age-related reliability issues, limited safety features, mediocre on-road handling, and rust problems—require careful consideration. For those willing to accept its shortcomings, the ZJ offers a vintage Jeep experience that few modern vehicles can replicate. Whether you are looking for a weekend trail rig, a nostalgic commuter, or a project car, the ZJ Grand Cherokee is a rewarding vehicle that continues to earn respect on and off the pavement.