As you navigate the vast landscape of Infiniti QX56 models, beware of the potholes of poor reliability and common issues that can leave you stranded. You’re likely wondering which years to focus on and which to avoid. The good news is that the 2008 and up models brought significant improvements, making them the sweet spot for reliability and features. But what about the earlier models? Let’s take a closer look at the best and worst years of the Infiniti QX56 to certify you make an informed decision.
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Key Takeaways
- The 2008 and later model years are considered the best due to significant improvements in reliability, engine power, and design features.
- The 2011 model year is a standout, featuring a bolder exterior, more efficient engine, and refined standard equipment, contributing to its amplified reliability.
- Avoid early model years, as they are prone to timing chain issues, chipping and peeling paint, and faulty rear power door problems.
- The 2010 model year set the stage for a new era of luxury SUVs, offering high-end tech features and comfortable seating for eight.
- The 2014 model year, rebranded as the INFINITI QX80, marks a new era for the model, making it a good option for those looking for a more modern design.
Infiniti QX56 Reliability and Common Problems
In terms of owning an Infiniti QX56, you’ll want to be aware of its reliability and common problems.
With a RepairPal score of 2.5 out of 5.0, the QX56 ranks 12th out of 19 full-size luxury SUVs in reliability, and its ownership costs are higher than average.
You may experience strange noises from the timing chain, chipping and peeling paint, and faulty rear power door issues.
The timing chain problem can appear as early as 31,000 miles and affects multiple model years.
Be prepared to address these issues to guarantee a smooth ownership experience and confirm that your vehicle remains in good condition.
Timing Chain Issues: Causes and Solutions
You’ve likely been wondering about the timing chain issues mentioned earlier, and rightfully so, as they can be a significant concern for Infiniti QX56 owners.
Timing chain issues occur when the chain stretches or breaks, causing engine misfires, rough idling, and decreased performance.
Causes include worn-out guides, faulty tensioners, and inadequate maintenance.
Solutions involve replacing the timing chain kit, adjusting or replacing the tensioner, and ensuring regular oil changes.
It’s essential to address these issues promptly to prevent further damage to your QX56’s engine.
Be sure to consult your owner’s manual or a trusted mechanic for guidance on resolving timing chain issues.
Exterior and Body Issues: Chipping and Peeling Paint
You’ll likely notice that your Infiniti QX56’s paint job isn’t looking its best if you’ve experienced chipping or peeling.
There are several reasons why this might be happening, and understanding the causes is key to finding a solution.
You’ll want to determine whether repair or replacement is necessary, and also learn how to prevent these issues from arising in the future.
Paint Defect Causes
The Infiniti QX56’s exterior paint job is meant to be a crowning achievement, but owners have reported instances of chipping and peeling paint that can significantly detract from the vehicle’s appearance.
You might wonder what causes these paint defects. Infiniti’s use of low-quality paint materials and inadequate paint application processes have been cited as contributing factors.
Additionally, exposure to harsh environmental conditions, such as direct sunlight, extreme temperatures, and road salt, can accelerate paint degradation.
You should also be aware that improper washing and waxing techniques can further compromise the QX56’s paint job, leading to chipping and peeling.
Repair and Replacement
Several repair options are available to address chipping and peeling paint on your Infiniti QX56.
You can opt for a DIY repair using touch-up paint or a paint correction kit. Alternatively, you can take your QX56 to a professional auto body shop for a more extensive repair or replacement.
If the damage is severe, you may need to replace the entire panel, which can be expensive. Keep in mind that some QX56 models received a recall for peeling paint, so you may be eligible for a free repair or replacement.
Consult your owner’s manual or contact a dealership for more information.
Prevention Methods
Regular washing and waxing can be your Infiniti QX56’s best defense against chipping and peeling paint.
By doing so, you’ll remove dirt and debris that can cause damage. Additionally, apply a clear coat or paint sealant to provide an extra layer of protection.
When parking, choose a shaded area or use a sunshade to reduce UV ray exposure.
Avoid parking near construction sites or areas with high traffic, where debris is more likely to fall.
Finally, install a garage door threshold seal to prevent gravel and dust from entering your garage, reducing the risk of scratches on your Infiniti QX56 model years.
Interior and Accessories Issues: Faulty Rear Power Door
You’ll likely encounter an annoying issue with your Infiniti QX56’s rear power door, which can stop working properly across various model years, from 2004 to 2013.
The faulty rear power door may fail to open or close, causing inconvenience and warning noises. It’s essential to address the problem promptly to avoid further damage.
Inspect the door’s functionality when purchasing a used Infiniti QX56 to verify it’s working correctly. Repair or replacement can fix the issue, but it’s vital to identify the problem correctly, as it may be mistaken for a door alignment or electrical system issue.
Model Years to Focus On: 2008 and Up
You’ll want to focus on model years 2008 and up when shopping for an Infiniti QX56, as these years bring significant improvements in reliability, engine power, and design features.
The 2008 redesign introduced new styling, wheels, and audio systems, while later years saw boosts in horsepower and efficiency.
Reliability Improvement
Since its initial release, the Infiniti QX56 has undergone significant transformations to improve its reliability, with notable advancements starting from the 2008 model year. You’ll notice substantial upgrades in later models, such as the 2011 Infiniti QX56, which features a bolder exterior, a more efficient engine, and refined standard equipment. These improvements contribute to its amplified reliability.
| Model Year | Reliability Rating | Notable Features |
|---|---|---|
| 2008 | 3.0/5.0 | New front and rear styling, Burr-Brown audio system |
| 2011 | 2.5/5.0 | Bolder exterior, 400-horsepower direct injected V-8 engine |
| 2012 | 3.5/5.0 | High-end technology features, comfortable seating for eight |
| 2012 and up | 3.5/5.0 | Excellent stability and utility, reliable choice for luxury SUV seekers |
Engine Power Boost
The Infiniti QX56’s engine power received a significant boost starting from the 2008 model year, with notable improvements continuing through the 2011 and newer models.
You’ll notice a substantial increase in power and performance, particularly with the 2011 model’s 400-horsepower direct injected V-8 engine. This upgrade provides improved acceleration and towing capacity, making it ideal for families who need a powerful SUV for hauling and towing.
With minimal engine issues reported, the 2011 and newer models are a great choice if you’re looking for a reliable and powerful Infiniti QX56.
New Design Features
A major overhaul in 2008 brought a fresh new look to the Infiniti QX56, boasting revamped front and rear styling, 20-inch chrome wheels, and a premium Burr-Brown audio system featuring a 9.5-gigabyte Music Box hard drive.
You’ll notice a bolder exterior on later models, starting from 2011, which also brought upgraded standard equipment and improved stability and utility.
The QX56’s design features continued to evolve, with high-end tech features and comfortable seating for eight added in 2012.
Common Issues With QX56: Unreliable IPDMS and Crack-Prone Exhaust Headers
Early Infiniti QX56 owners often found themselves grappling with two frustrating issues: unreliable IPDMs and crack-prone exhaust headers.
You may have experienced problems with your vehicle’s electrical system, including malfunctioning lights, mirrors, and door locks, due to faulty IPDMs. These issues were more common in the 2004-2007 model years.
In a like manner, crack-prone exhaust headers could lead to expensive repairs and replacement of the entire exhaust system.
If you’re experiencing these issues, consult an Infiniti dealer for assistance. Fortunately, Infiniti made improvements to address these problems in later models, making them less common in a parallel fashion.
Engine Performance: Strong Point of the QX56
You’ll be pleased to know that the QX56’s engine performance is a strong point, offering significant power improvements that make it a joy to drive.
With its robust V8 engine, you’ll experience smooth acceleration and responsive handling. Additionally, the QX56’s engine is known for having minimal oil leaks, a common issue in many other vehicles.
Engine Power Improvement
The Infiniti QX56’s engine power took a significant leap forward in the 2011 model year, thanks to a more efficient 400-horsepower direct injected V-8 engine that replaced the previous 5.6-liter V-8.
This upgrade provided better fuel economy and more power, making the 2011 QX56 a desirable model year for those seeking improved engine performance.
The 2012 QX56 also featured the same powerful V-8 engine, offering continued improvement in engine power and efficiency.
With this upgraded engine, you can expect a strong and reliable performance from your QX56.
Minimal Oil Leaks
With its robust engine, the Infiniti QX56 boasts a strong point: minimal oil leaks, making it a reliable choice for those who prioritize engine performance.
You can expect a durable engine that’ll run smoothly with proper maintenance. Compared to its luxury SUV counterparts, the QX56’s engine is one of the most reliable, with fewer reported issues and lower repair costs.
Even high-mileage models tend to hold up well, with minimal oil leaks and mechanical issues. This reliability means you’ll enjoy lower maintenance costs and fewer headaches on the road.
The QX56’s engine is a badge of honor to Infiniti’s commitment to quality and performance.
Purchasing Considerations: Look for Well-Maintained Models
When searching for a used Infiniti QX56, focus on finding models with around 120,000 miles that have been meticulously maintained.
A well-maintained vehicle is vital to guarantee reliability and minimize future repair costs. Check for signs of neglect or needed repairs, and consider the luxury features and packages offered in different models.
Mileage is also a key factor, as it affects the vehicle’s overall condition and resale value. By prioritizing well-maintained models, you’ll be more likely to find a reliable and comfortable ride that meets your needs.
Additional Tips: Be Aware of Potential Issues With Early Models
Early Infiniti QX56 models, specifically those from 2004 to 2007, harbor some hidden pitfalls that can turn your luxury SUV experience into a frustrating ordeal.
Be aware of these potential issues to avoid costly repairs and safety concerns.
Some common problems to look out for include:
- Unreliable IPDMs that can cause electrical issues
- Crack-prone exhaust headers that can lead to costly repairs
- Bad HVAC blend door actuators that result in inconsistent temperature control and air flow
- Faulty third brake light microprocessors that can cause safety concerns
- Crap front shocks and brake rotors that can compromise ride quality and braking performance
Model Years and Features: 2013 QX56 and Beyond
You’ll find significant advancements in the Infiniti QX56 lineup starting from 2010, which set the stage for a new era of luxury SUVs.
If you drive one from 2013, you’ll enjoy a strong V8 powertrain, quiet cabin, and three rows of seating.
The 2012 model offers high-end tech features, comfortable seating for eight, and excellent stability.
The 2014 QX56, rebranded as the INFINITI QX80, marks a new era for the model.
With all these advancements, you’ll have the rights reserved to experience the best of Infiniti’s luxury SUV offerings.
Design and Updates: Redesigned in 2008 and 2011
The Infiniti QX56’s design evolution takes a significant leap forward in 2008, with a comprehensive redesign that brings a fresh new look to the luxury SUV.
This redesign builds upon the QX56’s shared platform with the Nissan Armada, elevating its status as a premier luxury vehicle.
Key updates include:
- New front and rear styling, including 20-inch chrome wheels
- Burr-Brown audio system with a 9.5-gigabyte Music Box hard drive
- Bolder exterior styling in the 2011 update
- 400-horsepower direct injected V-8 engine in the 2011 model
- Upgraded standard equipment in the second and third generations
When looking at performance cars, make sure to check out our guides on models like the Infiniti Q50, Infiniti QX50, and Infiniti QX80. Knowing which model years to target and which to avoid is crucial. Our expert reviews break down these models, providing insights into the years that are celebrated for their engineering excellence and driving satisfaction, as well as those that are best to avoid due to potential issues.
