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Infiniti QX50 vs QX55: A Side-by-Side Comparison for Ontario Drivers

In the bustling city of Ontario, CA, where the roads are as diverse as the community, choosing the right vehicle is crucial. Infiniti of Ontario presents a detailed comparison between two of Infiniti’s prestigious models: the QX50 and QX55. Both these vehicles promise luxury, performance, and style, but they cater to different driver preferences and lifestyles. Let’s dive into the specifics to help you make an informed decision.

Comparing The Infinity QX50 vs. QX55

Design and Style

The Infinity QX50 is the epitome of classic elegance with a touch of modernity. Its design is geared towards those who appreciate a traditional SUV aesthetic combined with advanced features. On the other hand, the Infinity QX55, with its coupe-like silhouette and bolder lines, appeals to those seeking a sportier look. Its design is perfect for making a statement on the streets of Ontario, from Holt Blvd to Vineyard Avenue.

Passenger Capacity:

  • Both comfortably seat five adults with ample headroom and legroom in all three rows.

Cargo Capacity:

  • QX50 boasts a larger cargo capacity with 65.1 cubic feet behind the first row compared to the QX55's 54.1 cubic feet.
  • Folding the second and third rows provides even more spaciousness for larger items.


Under the hood, both models boast a 2.0-liter VC-Turbo engine, delivering a blend of power and efficiency. However, the tuning differs slightly to match their distinct styles. The QX50 offers a comfortable and smooth ride, ideal for daily commutes and family outings in Ontario. The QX55, with its slightly sportier edge, provides a more dynamic driving experience, perfect for those weekend getaways or spirited drives around the San Bernardino County.

  • Engine: Both share the same 2.0L turbocharged 4-cylinder engine producing 268 horsepower and 280 lb-ft of torque.
  • Efficiency: The QX50 edges out in fuel economy with an EPA-estimated 22 mpg combined compared to the QX55's 21 mpg combined.
  • Top Speed: Both reach a comfortable 130 mph.
  • 0-62mph: Both clock in around 6.2 seconds, offering satisfying acceleration.


  • Both utilize a smooth and responsive 9-speed automatic transmission.
  • QX55 comes standard with all-wheel drive, while it's optional in the QX50.

Interior Luxury and Comfort

Both vehicles offer luxurious interiors, but with different appeals. The QX50 is spacious, making it a great option for families or those who enjoy outdoor activities, providing ample room for gear and comfortable seating for longer drives. The QX55, while still spacious, focuses more on a sporty, driver-centric cockpit, offering a slightly more engaging driving experience.

Technology and Safety Features

Infiniti's commitment to technology and safety is evident in both models. Equipped with Infiniti's InTouch™ services, both provide connectivity and entertainment options suitable for Ontario’s tech-savvy drivers. Advanced safety features like the ProPILOT Assist and Lane Departure Prevention ensure a secure driving experience, whether navigating the I-10 or cruising around Ontario International Airport.


  • Both offer the intuitive Infiniti InTouch™ touchscreen infotainment system with Apple CarPlay® and Android Auto™ compatibility.
  • QX55 gets a digital instrument cluster as standard, while it's optional in the QX50.
  • Additional technology features like head-up display, panoramic sunroof, and Bose® premium audio are available on both models, with varying availability depending on trim level.

Driver-Assistance Features:

  • Both include ProPILOT Assist with features like adaptive cruise control, lane keep assist, and blind spot monitoring.
  • Surround View Monitor is available on both for superior parking and maneuvering assistance.
  • QX55 might offer additional driver-assistance features depending on trim level.

Safety Features:

  • Both include comprehensive airbag systems, advanced stability control, and traction control systems.
  • ISOFIX child seat anchors are present in both for secure installation.
  • QX55 might offer additional safety features depending on trim level.

Practicality for Ontario Residents

For the residents of Ontario, the choice between QX50 and QX55 may come down to practicality. The QX50 offers more cargo space, making it suitable for shopping trips to Ontario Mills or carrying sports equipment for a game at Westwind Park. The QX55, while still practical, prioritizes style and performance, appealing to those who prefer a more dynamic driving experience.

Your Ideal Infiniti Awaits in Ontario: QX50 vs QX55

For the discerning drivers of Ontario, CA, the choice between the Infiniti QX50 and QX55 can define your driving experience. Infiniti of Ontario, a cornerstone of automotive excellence in our community, offers both these stellar models. The QX50, with its spacious interior and elegant design, is perfect for families and professionals navigating the urban and suburban landscapes of Ontario. For those seeking a more dynamic presence on the road, the QX55’s sporty profile and performance-oriented features make it a standout choice. Visit our New Inventory to explore the latest that Infiniti has to offer. Considering a more budget-friendly option? Our Pre-owned inventory has a selection of quality vehicles that meet our high standards. To make your dream Infiniti a reality, our Financing application process is straightforward and user-friendly. Don't miss out on current Special Offers for exceptional deals. We invite you to Schedule a Test Drive at Infiniti of Ontario and experience firsthand the luxury and performance of our vehicles. Your journey towards the perfect Infiniti begins here.

In Closing

Both the Infiniti QX50 and QX55 offer unique experiences tailored to different preferences. We at Infiniti of Ontario invite you to visit our showroom, explore these magnificent vehicles, and consult with our experts to find the perfect match for your lifestyle in Ontario. Whether it’s the elegance of the QX50 or the sporty allure of the QX55, your ideal Infiniti awaits.


QX50 vs QX55 - Find Your Perfect Infiniti in Ontario

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