Some years of the Infiniti QX56 are known for having serious issues that can lead to expensive repairs and reduced reliability. While this SUV offers a luxurious driving experience, certain models have been problematic for owners, making it essential to know which years to avoid. Below, we’ll break down the specific years and the issues that have caused them to stand out for the wrong reasons.
2004 Infiniti QX56
The 2004 Infiniti QX56, as the debut model of this luxury SUV, encountered several significant problems that quickly earned it a spot among the Infiniti QX56 years to avoid. Many owners reported transmission failures, which often led to sudden stalling and a lack of power while driving—posing serious safety concerns. Additionally, the vehicle’s airbag system was prone to malfunctioning, leading to recalls and widespread frustration among drivers. The overall reliability of this model year was further compromised by electrical issues, such as flickering headlights and malfunctioning dashboard displays.
2005 Infiniti QX56
The 2005 model did little to improve on its predecessor’s flaws, continuing to suffer from many of the same issues. Transmission problems persisted, with many owners noting that the vehicle would hesitate or fail to shift gears properly, especially under load or during acceleration. This year also saw frequent complaints about engine stalling and brake system failures, which added to the growing list of concerns. The airbag system remained problematic, and electrical issues were still common, making the 2005 QX56 another year that many drivers regretted.
2006 Infiniti QX56
The 2006 Infiniti QX56 is often cited as one of the worst years for the model, with numerous significant issues that make it a clear candidate for the list of Infiniti QX56 years to avoid. One of the most notorious problems was radiator fluid leaking into the transmission, a defect that led to complete transmission failure in many cases and required expensive repairs. Additionally, the vehicle continued to struggle with transmission noise and gear shifting difficulties, further undermining driver confidence. The 2006 model also had persistent electrical problems, with reports of headlights flickering or going out entirely while driving.
2011 Infiniti QX56
The 2011 model marked the first year of the second generation for the Infiniti QX56, yet it came with its own set of challenges. The most significant of these was timing chain problems, which caused the engine to vibrate excessively and struggle to maintain speed. This issue was not only annoying but also potentially damaging to the engine over time. Additionally, the catalytic converter in the 2011 QX56 was prone to failure, often triggering the check engine light and requiring costly replacements. These problems made the 2011 model a frustrating experience for many owners, despite the vehicle’s updated design and features.
