2018 Jeep Grand Cherokee Reliability ReportCommon Problems, Repair Costs & Expert Verdict
Quick Facts · 2018 Jeep Grand Cherokee
- Has 11 NHTSA recalls on record — the most notable involves the power train:automatic transmission.
- Outscores the 2016 Jeep Grand Cherokee by 10 points — one of the stronger nearby years to consider.
- The system most likely to surface first: electrical system & infotainment (moderate severity).
Should You Buy the 2018 Jeep Grand Cherokee?
The 2018 Jeep Grand Cherokee offers an enticing blend of rugged capability and upscale comfort, making it a compelling choice for many. However, potential buyers must proceed with caution due to persistent electrical quirks and the notable risk of expensive air suspension failures, which can quickly erode its value proposition if ignored. This SUV is a solid option for those who appreciate its unique character and are prepared for diligent maintenance.
The 2018 Jeep Grand Cherokee is a compelling SUV offering significant capability and comfort, but it comes with notable reliability risks, particularly concerning its electrical system and the expensive-to-repair air suspension. If you're prepared for diligent maintenance, and ideally an extended warranty, it can be…
Best Model Years
2019-2020 (post-2018 refinements, before WK2 end-of-life)
Years to Avoid
2011-2013 (early WK2 models with more significant issues)
Biggest Strengths
- Robust powertrain options (V6 & V8)
- Excellent off-road capability (especially with Quadra-Trac/Drive systems)
- Comfortable and well-appointed interior for its class
Top Risk Areas
The systems that tend to fail first on the 2018 Jeep Grand Cherokee, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
Owners frequently report issues with the Uconnect system (freezing, touch screen unresponsiveness, navigation glitches), various sensor failures (tire pressure, engine light), and phantom battery drains. These can be frustrating and some…
While offering a great ride and capability, the optional air suspension system is prone to expensive failures. Components like the air compressor, air struts/bags, and various sensors can fail, leading to uneven ride height, slow inflati…
The 5.7L Hemi V8, particularly when equipped with the Multi-Displacement System (MDS), can suffer from lifter and camshaft wear. This leads to ticking noises, misfires, and potentially significant internal engine damage if not addressed…
2018 Jeep Grand Cherokee Mileage Danger Zones
The mileage windows when the 2018 Jeep Grand Cherokee most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, most vehicles are still under factory warranty, but initial electrical glitches or infotainment issues may surface. This is a good time for a thorough inspection and ensuring all software updates are applied.
Maintenance Zone
Key preventive maintenance items become due, such as spark plugs (V6), differential fluid changes, and potential brake service. Keep an eye on the Quadra-Lift system for early signs of trouble if equipped.
Elevated Risk Zone
This mileage often marks the onset of more significant mechanical issues, particularly for the Hemi engine and air suspension components. Comprehensive fluid changes are critical to extend component life.
High Risk Zone
Beyond 100,000 miles, nearly all major components are susceptible to wear. Expect to budget for more substantial repairs, including potential engine, transmission, or major electrical system overhauls if not previously addressed.
2018 Jeep Grand Cherokee Ownership Cost Outlook
What it typically costs to keep the 2018 Jeep Grand Cherokee on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$550-800
Moderate Repairs
$800-2,000 occasionally
How Long Does the 2018 Jeep Grand Cherokee Last?
While well-maintained examples can reach 200,000 miles, I advise against purchasing a 2018 Grand Cherokee with over 100,000 miles unless comprehensive service records and a recent inspection confirm that known high-cost repairs (like air suspension or Hemi lifters) have already been addressed.
What 2018 Jeep Grand Cherokee Owners Actually Say
What Owners Love
- Strong V6 and powerful V8 engine options provide ample power for towing and daily driving.
- Impressive off-road prowess, especially with Quadra-Trac II or Quadra-Drive II systems.
- Comfortable and upscale interior with quality materials, particularly in higher trims.
- Distinctive and timeless styling that holds up well over time.
Common Frustrations
- Disappointing fuel economy, especially with the V8 engines.
- Persistent glitches and unresponsiveness from the Uconnect infotainment system.
- High repair costs associated with the optional Quadra-Lift air suspension system.
- Some owners report lower quality interior trim pieces leading to rattles.
Who Should Buy the 2018 Jeep Grand Cherokee?
Best For
- Outdoor enthusiasts needing genuine off-road capability
- Families requiring a comfortable, spacious SUV for road trips and daily duties
- Buyers who tow regularly and need V8 power
Not Ideal For
- Budget-conscious buyers seeking the absolute lowest running costs
- Those who prioritize ultimate, trouble-free reliability above all else
How the 2018 Jeep Grand Cherokee Compares to Rivals
The Grand Cherokee carves out a niche with its unique blend of traditional SUV ruggedness, optional V8 power, and comfortable interior. While it often surpasses some competitors in capability and style, it typically lags behind Japanese rivals in terms of sheer long-term, low-…
More Reliable Than
- Nissan Pathfinder (older generations)
- Chevrolet Traverse (for off-road capability)
- Volkswagen Atlas (for powertrain refinement)
Comparable To
- Ford Explorer
- Dodge Durango
- Hyundai Santa Fe (for comfort/features)
NHTSA Recalls
11 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
POWER TRAIN:AUTOMATIC TRANSMISSION
Chrysler (FCA US LLC) is recalling certain 2018 Dodge Charger, Durango and Challenger, Jeep Grand Cherokee and Wrangler, Chrysler 300, and RAM 1500 vehicles. An incorrect transmission park lock rod may have been installed in the transmission.
ELECTRICAL SYSTEM:WIRING
Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
What breaks on the 2018 Jeep Grand Cherokee?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Jeep Grand Cherokee by Year
Compare KeepScores across nearby years of the Jeep Grand Cherokee. Click any year for its full report.
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Recommended Reading for the Jeep Grand Cherokee
Jeep Grand Cherokee Years to Avoid (Worst to Best Ranked)
Before you buy, discover which Jeep Grand Cherokee years to avoid and the most reliable models in our definitive worst-to-best guide.
How Long Does a Jeep Grand Cherokee Last? (Real Owner Data)
Uncover the definitive lifespan of a Jeep Grand Cherokee with our analysis of real owner data, revealing exactly how many miles it truly lasts.
Jeep Grand Cherokee Common Problems and Repair Costs
Uncover common Jeep Grand Cherokee problems and their typical repair costs to confidently budget for maintenance and necessary repairs.