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Infiniti Qx50

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Infiniti QX50: A Comprehensive Guide

The Infiniti QX50 is a luxury compact SUV that competes with vehicles like the Acura RDX, BMW X3, and Audi Q5. It offers a blend of stylish design, a comfortable interior, and advanced technology. Initially introduced as the Infiniti EX35 in 2008, it was rebranded as the QX50 in 2013 as part of Infiniti's revised naming strategy. Over the years, the QX50 has evolved, offering different engine options, including a unique variable compression engine in its latest generation.

Generations of the Infiniti QX50

First Generation (EX35/QX50, 2008-2017)

  • Years: 2008-2017 (EX35: 2008-2013, QX50: 2013-2017)
  • Key Changes: This generation was characterized by its long hood, sloping roofline, and sporty handling, resembling a raised wagon.
  • Engine: Initially powered by a 3.5-liter V6 engine (EX35), later models featured a 3.7-liter V6 (QX50).
  • Facelifts: A notable facelift in 2016 brought an extended wheelbase, resulting in more rear legroom and a slightly refreshed exterior.
  • Features: Available with features like all-wheel drive, leather upholstery, a Bose premium sound system, and around-view monitor.

Second Generation (2019-Present)

  • Years: 2019-Present
  • Key Changes: A complete redesign featuring a more conventional SUV shape and a revolutionary variable compression engine.
  • Engine: Powered by a 2.0-liter VC-Turbo (Variable Compression Turbo) engine. This engine automatically adjusts its compression ratio to optimize for power or efficiency depending on driving conditions.
  • Technology: Incorporates Infiniti's ProPILOT Assist, a suite of driver-assistance features.
  • Interior: Redesigned interior with upgraded materials and a dual-screen infotainment system.
  • Facelifts: A minor refresh occurred in 2022 with updated styling and standard features.

Reliability & Common Issues

First Generation (EX35/QX50, 2008-2017)

  • Engine Issues (V6): The VQ-series V6 engine is generally reliable, but some owners have reported oil consumption issues, particularly in higher-mileage vehicles. Regular oil level checks are crucial.
  • Transmission: The 7-speed automatic transmission is generally reliable, but fluid changes are essential for longevity. Skipping these services can lead to rough shifting or transmission failure.
  • Electrical Issues: Some owners have reported issues with the navigation system, infotainment screen, and power windows.
  • Suspension: The suspension components can wear out over time, leading to a less comfortable ride and potential handling issues. Pay attention to any clunking or rattling noises.
  • Rust: Check for rust, especially on models driven in areas with harsh winters and road salt. Pay particular attention to wheel wells, undercarriage, and around door edges.

Second Generation (2019-Present)

  • VC-Turbo Engine Issues: The VC-Turbo engine, while innovative, has been subject to scrutiny regarding reliability. Some owners have reported issues with engine hesitation, rough idling, and even complete engine failure. Infiniti has released software updates to address some of these concerns. Thoroughly research the specific model year and its associated engine issues before purchasing.
  • Infotainment System: The dual-screen infotainment system has received criticism for its slow response times and complex menu structure. Some owners have experienced software glitches and connectivity issues.
  • CVT Transmission: The Continuously Variable Transmission (CVT) paired with the VC-Turbo engine has been reported to exhibit some drone and rubber-banding effects, which some drivers find undesirable. While CVTs are generally reliable, ensuring proper maintenance and fluid changes is crucial.
  • Fuel Economy: Real-world fuel economy with the VC-Turbo engine often falls short of EPA estimates.
  • Electronics: Expect minor electronic gremlins related to sensors and the advanced driver-assistance features. Ensure all these systems are fully functional during inspection.

Driving Experience

First Generation (EX35/QX50, 2008-2017)

  • Pros: Sporty handling, strong V6 engine performance, luxurious interior (especially in higher trims), relatively compact size for easy maneuverability.
  • Cons: Limited rear legroom (especially before the 2016 facelift), less cargo space compared to rivals, dated technology in older models.
  • Overall: The first-generation QX50 (EX35) offers a more engaging driving experience than many other compact SUVs, thanks to its powerful engine and well-tuned suspension.

Second Generation (2019-Present)

  • Pros: Stylish design, comfortable and spacious interior, innovative VC-Turbo engine (offering a blend of power and efficiency, theoretically), available ProPILOT Assist driver-assistance features.
  • Cons: VC-Turbo engine reliability concerns, CVT transmission drone, infotainment system usability issues, real-world fuel economy may not meet expectations.
  • Overall: The second-generation QX50 offers a more refined and modern driving experience, but potential buyers should carefully consider the reliability concerns associated with the VC-Turbo engine and CVT transmission. The driving experience is generally comfortable, but not as sporty as the previous generation.

Buying Advice

First Generation (EX35/QX50, 2008-2017)

  • Best Years: 2016-2017 models offer the extended wheelbase for improved rear legroom and the updated styling.
  • Years to Avoid: Early EX35 models (2008-2010) may have higher mileage and potentially more wear and tear.
  • Things to Look For: Check for oil consumption issues, transmission smoothness, and any signs of rust. Ensure all features, including the navigation system and Bose sound system, are functioning properly.
  • Pre-Purchase Inspection: A thorough pre-purchase inspection by a trusted mechanic is highly recommended.

Second Generation (2019-Present)

  • Best Years: 2022+ models feature styling updates and often address some of the initial teething issues.
  • Years to Avoid: 2019 models, being the first year of the new generation, may be more prone to initial production issues with the VC-Turbo engine.
  • Things to Look For: Carefully inspect the VC-Turbo engine for any signs of hesitation, rough idling, or unusual noises. Ensure the CVT transmission shifts smoothly. Test all infotainment system functions and driver-assistance features. Check the service history for any engine-related repairs or software updates. Research TSBs (Technical Service Bulletins) related to the VC-Turbo engine and transmission.
  • Pre-Purchase Inspection: A pre-purchase inspection is *essential*. A mechanic experienced with the VC-Turbo engine is highly recommended. Have the engine compression tested.
  • Warranty: Consider purchasing an extended warranty to cover potential engine and transmission repairs.
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