Bombardier Challenger 650 vs Dassault Falcon 2000lxs vs Dassault Falcon 900lx vs Embraer Praetor 600 vs Gulfstream G400

By category, the Bombardier Challenger 650 and Embraer Praetor 600 are best viewed as large and super‑midsize cabin business jets respectively, while the Dassault Falcon 2000LXS and the forthcoming Gulfstream G400 sit in the large‑cabin segment, and the Dassault Falcon 900LX is a larger, long‑range tri‑jet often grouped with “super large-cabin/long‑range” aircraft. On range, the Challenger 650 is typically around 4,000 nautical miles class, the Praetor 600 about 4,000+ nautical miles, the Falcon 2000LXS in the ~4,000 nautical mile class, the Falcon 900LX notably longer at roughly 4,700–4,800 nautical miles, and the G400 is positioned as a long‑range large‑cabin jet around the ~4,000+ nautical mile class (final published specs may vary as it enters service). For passenger capacity, all commonly seat about 8–12 in typical executive layouts; the Challenger 650 and Praetor 600 are often 8–10, the Falcon 2000LXS and G400 often 8–12, and the Falcon 900LX commonly 10–14, depending on configuration and operators.