The Infiniti EX, QX50, and QX55 J50 are a series of compact luxury crossover SUVs produced by Nissan's luxury division, Infiniti. Here is a detailed summary:
First Generation (2007-2013)
The first generation of the Infiniti EX/QX50/QX55 was launched in 2007 as a replacement for the previous Xterra.
It was based on the Nissan C platform and featured a unibody construction, which improved safety and reduced weight.
The vehicle had a wheelbase of 107.4 inches (2,732 mm) and a length of 182.3 inches (4,633 mm).
The EX/QX50/QX55 was powered by a 3.5-liter V6 engine producing 265 horsepower and 252 lb-ft of torque.
It featured an all-wheel-drive system with a viscous coupling that could send up to 100% of the power to either axle, depending on traction needs.
The interior featured premium materials, including leather-trimmed seats, wood trim, and Infiniti's proprietary "Fine Vision" instrument cluster.
Standard safety features included six airbags, anti-lock brakes with electronic brake-force distribution, and a traction control system.
Trim Levels
The EX/QX50/QX55 was offered in three main trim levels:
Base: Equipped with a 17-inch alloy wheel, cloth seats, and a basic audio system.
Journey: Added features such as a leather-wrapped steering wheel, Bluetooth connectivity, and an upgraded audio system.
Sport: Featured unique exterior styling, 19-inch wheels, and sport-tuned suspension.
Design and Features
The EX/QX50/QX55 had a distinctive design with a sloping roofline and curved lines that gave it a more aerodynamic profile.
It featured large windows for visibility and a panoramic moonroof for additional natural light.
Standard features included cruise control, automatic climate control, and an eight-way power driver's seat.
Dimensions
Wheelbase: 107.4 inches (2,732 mm)
Length: 182.3 inches (4,633 mm)
Width: 72.9 inches (1,855 mm)
Height: 66.5 inches (1,688 mm)
Fuel Economy
Estimated EPA ratings for the EX/QX50/QX55 were:
Front-wheel drive: 17 mpg city, 24 mpg highway
All-wheel drive: 16 mpg city, 22 mpg highway
Engine and Transmission
The 3.5-liter V6 engine was paired with a five-speed automatic transmission.
It featured an electronically controlled continuously variable transmission (CVT) for improved fuel efficiency.
Recall History
In 2010, Infiniti recalled the EX/QX50 due to issues with the vehicle's rear seat latch system.
A separate recall in 2012 addressed concerns over faulty anti-lock brake sensors.
