Dassault Falcon 10x vs Dassault Falcon 6x vs Gulfstream G650er vs Gulfstream G700

By category, Dassault’s Falcon 6X is a large-cabin, long-range business jet, while the Falcon 10X is positioned above it as an ultra-long-range, ultra–large-cabin flagship. Gulfstream’s G650ER is an ultra-long-range large-cabin jet, and the G700 is Gulfstream’s newer flagship in the same ultra-long-range, ultra–large-cabin tier, emphasizing maximum cabin volume. On range, the Falcon 6X is typically quoted around 5,500 nautical miles, making it well suited to many transatlantic and deep regional missions. The Falcon 10X targets roughly 7,500 nautical miles, moving into true intercontinental city-pair capability. Gulfstream’s G650ER is commonly listed at about 7,500 nautical miles, long a benchmark for global nonstop legs. The G700 is generally quoted around 7,750 nautical miles, edging past the G650ER on paper and offering similar or better mission flexibility. On passenger capacity, all can be configured for roughly 8–16 passengers in typical layouts, but the Falcon 10X and G700 generally support the most spacious, multi-zone arrangements, while the Falcon 6X and G650ER tend to be slightly more compact in cabin volume.