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Dassault Falcon 6x vs Embraer Legacy 650e vs Gulfstream G400

In category, the Dassault Falcon 6X and Gulfstream G400 are modern large-cabin, long-range business jets, while the Embraer Legacy 650E is a large-cabin jet derived from an earlier platform and generally positioned a step below the newest clean-sheet designs. For range, the Falcon 6X and G400 lead this group and are suited to longer intercontinental missions; the Falcon 6X is typically quoted around 5,500 nautical miles, the G400 around 4,200 nautical miles, and the Legacy 650E about 3,900 nautical miles, so the Embraer is more often used for transcontinental and some transatlantic pairings rather than the longest routes. For passenger capacity, all can be configured for comfortable executive travel, but their typical use differs: the Legacy 650E commonly seats about 13 passengers, the Falcon 6X is often arranged for roughly 12–16, and the G400 is typically configured in the 12–14 range. Overall, choose the 6X for maximum range and cabin comfort, the G400 for a newer large-cabin long-range option with strong performance, and the 650E for proven large-cabin capability with slightly shorter range.

SpecDassault Falcon 6XEmbraer Legacy 650EGulfstream G400
Summary
Cockpit32—
DOC / nm$ 7.74$ 8.41—
Min Crew224
Total Seats171412
ManufacturerDassault FalconEmbraerGulfstream
Aircraft Name6XLegacy 650EG400
CertificationFAA / EASAFAA / EASA—
Max Range (nm)550039804200
DOC / nm / Seat$ 0.64$ 0.70—
Max Cabin Seats161919
OEM VerificationUn-VerifiedVERIFIED—
Standard Cabin Seats1412—
Direct Operating Cost$ 3,845$ 3,860—
Flight Deck (Base Spec)Honeywell Primus EASy IIIHoneywell Primus EliteGulfstream Symmetry Flight Deck
Max Cruise Speed (ktas)516458539
Base Aircraft Price (USD)$49,500,000$26,500,00034500000
Useful Load (lbs)—2251030650
Cabin
Cockpit32—
Lavatory2 Enclosed Flushing1 Enclosed Belted Flushing—
Min Crew22—
Crew RestNoNo—
Jump SeatYesNo—
Total Seats1714—
Galley LocationFWDFWD—
Max Cabin Seats1619—
Lavatory LocationFWD / AFTAFT—
Cabin Pressure (psi)10.28.4—
Galley / RefreshmentGalleyGalley—
Standard Cabin Seats1412—
SL Cabin Altitude (ft)2920021650—
Max Cabin Altitude (ft)3900——
Engine
FADECYesYes—
ModelPW812DAE3007A2—
TBO (hrs)5000On-Condition—
Flat RatingISA + 17ISA + 15—
Thrust (lbs)140009020—
No. of Engines22—
Fuel Burn (lbph)—1901—
Dimensions
Length (ft)84.386.5—
Wingspan (ft)85.169.5—
Cabin Width (ft)8.56.9—
Cabin Height (ft)6.56—
Cabin Length (ft)40.442.4—
Overall Height (ft)24.522.2—
Cabin Volume (cu. ft)1843——
Cabin Width - Floor (ft)6.35.2—
Cabin Length - Seating (ft)27.530.3—
Baggage Volume Int. (cu. ft)140286—
Aisle Step (ft)—Flat Floor—