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Dassault Falcon 10x vs Gulfstream G400 vs Gulfstream G650er

The Dassault Falcon 10X sits in the ultra-long-range, large-cabin business jet category, positioned above super-midsize and large-cabin entrants. It is designed for intercontinental missions with an advertised range of about 7,500 nautical miles and typically accommodates roughly 8 to 16 passengers depending on cabin layout. The Gulfstream G400 is a large-cabin jet in the upper end of the “large” segment rather than the flagship ultra-long-range tier. It targets long-range missions short of the biggest offerings, with a published range around 4,200 nautical miles and typical seating in the neighborhood of 10 to 12 passengers, with higher-density layouts possible. The Gulfstream G650ER is an established ultra-long-range, large-cabin flagship-class aircraft. It offers intercontinental capability comparable to the Falcon 10X, with a published range of about 7,500 nautical miles and typical configurations around 11 to 18 passengers. In short, G400 emphasizes large-cabin comfort with less range, while the 10X and G650ER prioritize maximum range and flagship-cabin capability.

SpecDassault Falcon 10XGulfstream G400Gulfstream G650ER
Summary
Cockpit2—2
Min Crew244
Total Seats171214
ManufacturerDassault FalconGulfstreamGulfstream
Aircraft Name10XG400G650ER
Aircraft TypeBusiness Jet——
CertificationFAA / EASA—FAA / EASA
Max Range (nm)750542007500
Max Cabin Seats161919
OEM VerificationVERIFIED—Un-Verified
Useful Load (lbs)369003065049500
Standard Cabin Seats14—12
Direct Operating Cost$2,770—$ 4,844
Flight Deck (Base Spec)Digital Flight Control SystemGulfstream Symmetry Flight DeckGulfstream PlaneView II (Primus Epic)
Max Cruise Speed (ktas)516539516
Base Aircraft Price (USD)$ 75,000,00034500000$60,000,000
DOC / nm——$ 9.39
DOC / nm / Seat——$ 0.78
Cabin
Cockpit——2
Lavatory——2 Enclosed Flushing
Min Crew——4
Crew Rest——Yes
Jump Seat——Yes
Total Seats——14
Galley Location——FWD
Max Cabin Seats——19
Lavatory Location——FWD / AFT
Cabin Pressure (psi)——10.7
Galley / Refreshment——Galley
Standard Cabin Seats——12
SL Cabin Altitude (ft)——31900
Engine
FADEC——Yes
Model——BR725 A1-12
TBO (hrs)——On-Condition
Flat Rating——ISA + 15
Thrust (lbs)——16900
No. of Engines——2
Dimensions
Length (ft)——99.8
Wingspan (ft)——99.6
Aisle Step (ft)——Flat Floor
Cabin Width (ft)——8.2
Cabin Height (ft)——6.5
Cabin Length (ft)——46.9
Overall Height (ft)——25.7
Cabin Width - Floor (ft)——6.7
Cabin Length - Seating (ft)——32.7
Baggage Volume Int. (cu. ft)——235