The 2026 Infiniti QX80 Sport has been reviewed, with reports indicating it has a sharper look and improved driving capabilities, but also some drawbacks. There are also discussions about Infiniti's plans for performance vehicles, including a potential high-performance QX80 with increased horsepower. However, it is unclear what specific models or timelines are involved, with some reports mentioning different vehicles, such as the QX60 or QX65, and varying horsepower levels.