The Infiniti QX4 is a midsize luxury SUV produced from 1996 to 2003, known for blending off-road capability with refined on-road comfort. Across its single generation, the QX4 featured a body-on-frame design shared with the Nissan Pathfinder, offering spacious interiors and robust V6 engines. It stands out for its elevated ride height, versatile cargo space, and premium features tailored for luxury SUV buyers. The QX4 helped establish Infiniti's reputation in the SUV market during the late 1990s and early 2000s.