I drove a $63,000 Infiniti QX60. It's a stylish luxury SUV let down by its unrefined engine.

I drove a $63,000 Infiniti QX60. It's a stylish luxury SUV let down by its unrefined engine.

The 2025 Infiniti QX60 Luxe Black Edition.Benjamin Zhang/Business InsiderThe Infiniti QX60 is a midsize, three-row luxury SUV and the brand's best-selling model.I was impressed by the QX60's sleek design, quiet ride, and well-designed cabin.I was disappointed by the QX60's unrefined engine, dated infotainment system, and cramped third-row.The QX60 is the most important model in Infiniti's product portfolio. The three-row midsize luxury SUV accou…