Bombardier Challenger 650 vs Bombardier Global 6500 vs Gulfstream G280 vs Gulfstream G400 vs Gulfstream G650er

The Bombardier Challenger 650 and Gulfstream G280 are large-cabin/super‑midsize business jets suited to shorter long‑range missions than the intercontinental class. The Challenger 650 typically offers around 4,000 nautical miles of range with about 8–12 passengers in common layouts, while the G280 is similar in category with roughly 3,600 nautical miles and usually seats about 8–10. The Bombardier Global 6500 and Gulfstream G400 step into the long‑range large‑cabin category, designed for true transoceanic missions with higher comfort at altitude. The Global 6500 is generally around 6,600 nautical miles and commonly accommodates about 10–16. The G400 is positioned as a long‑range large‑cabin jet as well, with published range around 4,200 nautical miles and typical seating roughly 10–14. The Gulfstream G650ER is the ultra‑long‑range flagship class in this set, built for intercontinental city pairs. It delivers about 7,500 nautical miles of range and typically carries about 11–18 passengers depending on configuration.