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How Long Do Infiniti QX50s Last? The Scoop on Vehicle Lifespan

in Reliability
Interior of a Infiniti QX50

Source: Flickr

The Infiniti QX50 captures the attention of the luxury SUV market with its combination of performance, comfort, and cutting-edge technology. Its unique VC-Turbo engine intelligently adjusts its compression ratio for optimal power and fuel efficiency. Inside, the QX50 showcases premium materials and offers a spacious and inviting cabin with the latest entertainment and safety features. It checks the right boxes for a good luxury SUV for many people.

However, what about its lifespan? How long do Infiniti QX50s last? As a car buyer, you’re probably wondering if this vehicle will last you a long while and make your investment count. So today, we talk about the QX50’s lifespan, how many miles it can last, and factors that may affect its longevity.

How Many Miles Does the Infiniti QX50 Last?

How long do Infiniti QX50s last? The Infiniti QX50 can be reliable and durable, potentially lasting between 250,000 and 300,000 miles when properly maintained and carefully driven. Assuming you drive an average annual mileage of 15,000 miles, you could expect the QX50 to serve you well for approximately 17 to 20 years before it might require prohibitively expensive repairs.

However, this longevity is contingent upon rigorous maintenance routines and conservative driving habits, which means regular oil changes, the use of quality parts and fluids, and the importance of driving smoothly to minimize wear and tear on the vehicle.


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This lifespan range coincides with the real-world experiences of Infiniti owners. In discussions on the NicoClub Nissan Forum, members have shared their experiences and opinions regarding the lifespan of Infiniti vehicles, including models like the QX50. Contributors generally agree that Infiniti vehicles can reach or exceed 300,000 miles with proper maintenance.

The general sentiment emphasizes the importance of routine upkeep and the use of high-quality parts and fluids. In addition, specific concerns, such as the condition of ignition coils, MAF sensors, and light bulbs, were mentioned, but these were considered typical maintenance issues. One user highlighted their personal experience with an Infiniti, which had covered over 265,000 miles and still ran strongly, thanks to regular oil changes with fully synthetic oil and high-octane fuel usage.

What Is High Mileage for an Infiniti QX50?

When shopping for a pre-owned Infiniti QX50, the odometer above 120,000 miles ventures into the territory often labeled “high mileage.” Going over this threshold means an increased chance that the vehicle has accumulated wear significant enough to potentially herald issues. Yet, the narrative isn’t just black and white, hinged solely on miles traveled.

A QX50 that has seen considerable road but is maintained can still be a gem, possibly outshining a less-traveled unit with a history of neglect or poor upkeep. Diving into a high-mileage QX50 demands a keen eye: authenticate the vehicle’s service diary, go for a test drive, scout for any signs of corrosion, and evaluate its ownership history.

What Is a Good Mileage for an Infiniti QX50?

How long do Infiniti QX50s last? Let’s find out what is considered “good mileage” for this car.

When considering the mileage on a QX50, it’s important to remember that around 120,000 miles is typically seen as high. But don’t let that number stop you from checking it out; it’s actually a cue to inspect the car’s service history and condition closely. A QX50 with considerable miles but excellent care could be a better choice than one with fewer miles but a neglected history. Remember, the true worth of a QX50 isn’t just in its odometer reading but in the experiences it’s had and the attention it’s received.

Also, keep in mind that the QX50 is a luxury SUV, meaning repairs and maintenance might cost more than they would for more standard vehicles. This factor should play a key role in your decision-making process, as it can impact the long-term ownership and upkeep of the car.


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Should I Buy a Used Infiniti QX50 With More Than 100k?

When purchasing a used Infiniti QX50 with more than 100,000 miles, consider potential maintenance and repairs carefully. The QX50 has a detailed maintenance schedule covering various services throughout its lifespan, with RepairPal estimates for up to 150,000 miles. While routine checks and replacements are standard for a high-mileage QX50, don’t count out the possibility of major repairs.

For example, the AC compressor, a critical component of your vehicle’s air conditioning system, may need to be replaced, with costs ranging from approximately $1,094 to $1,584. Similarly, the AC condenser, which is essential for cooling the refrigerant, could cost about $1,021 to $1,186 to replace. In addition to the AC system, other maintenance aspects, such as the serpentine belt and the drive belt idler pulley, may also require attention, with replacements costing between $160 and nearly $300.

Common Infiniti QX50 Problems

How long do Infiniti QX50s last? Let’s take a look at some of its most common reliability issues that may affect its lifespan:

Front Bumper Falling Off

Owners on the Infiniti QX50 Forum have reported instances where the front bumper and under cover of their vehicles unexpectedly detached while driving, often at highway speeds. Despite these parts falling off without any impact or collision, dealerships told some that such incidents wouldn’t be covered under the bumper-to-bumper warranty.

Electronic Issues

Infiniti owners have reported various electronic issues, including malfunctioning dash lights, unresponsive USB chargers, intermittent clicking noises from the dash, sporadic Apple CarPlay connectivity, unexpected braking, and faulty rear seatbelt detectors.

Faulty Heater Temperatures

People have also voiced concerns over heater temperature control issues. Users report the heater blasting sweltering air, with temperatures reaching up to 94°F when set at a lower setting, and dealerships struggle to resolve these malfunctions.


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Final Thoughts: Is a Used Infiniti QX50 a Wise Investment?

How long do Infiniti QX50s last? As you can see, the QX50 has the potential for a long and fruitful life. However, it does have the typical concerns associated with luxury vehicles, such as higher-than-average maintenance and repair costs. If you can find a QX50 with good mileage and maintenance history, it can serve you well for a long time.



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