Compare Dassault Falcon 6X vs Gulfstream G400 vs Gulfstream G500
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| Manufacturer | Dassault Falcon | Gulfstream | Gulfstream |
| Aircraft Type | 6X | G400 | G500 |
| Base Aircraft Price (USD) | $49,500,000 | 34500000 | $47,500,000 |
| Direct Operating Cost | $ 3,845 | - | $ 4,644 |
| DOC / nm | $ 7.74 | - | $ 9.00 |
| DOC / nm / Seat | $ 0.64 | - | $ 0.90 |
| Max Cruise Speed (ktas) | 516 | 539 | 516 |
| Max Range (nm) | 5500 | 4200 | 5200 |
| Useful Load (lbs) | - | 30650 | 30650 |
| Total Seats | 17 | 12 | 12 |
| Cockpit | 3 | - | 2 |
| Standard Cabin Seats | 14 | - | 10 |
| Max Cabin Seats | 16 | 19 | 19 |
| Min Crew | 2 | 4 | 4 |
| Flight Deck (Base Spec) | Honeywell Primus EASy III | Gulfstream Symmetry Flight Deck | Gulfstream Symmetry Flight Deck |
| Certification | FAA / EASA | - | In Development |
| OEM Verification | Un-Verified | - | Un-Verified |
| Weights | |||
| MRAMP (lbs) | 77260 | - | 77250 |
| MTOW (lbs) | 77460 | - | 79600 |
| MLW (lbs) | 66190 | - | 64350 |
| MZFW (lbs) | 45920 | - | 52100 |
| BOW (lbs) | - | - | 46850 |
| Useful Load (lbs) | - | 30650 | 30650 |
| Max Payload (lbs) | - | - | 5500 |
| Fuel Capacity (lbs) | 33790 | - | 28850 |
| Payload Max Fuel (lbs) | - | - | 1800 |
| Max Baggage Weight (lbs) | 2004 | - | 2250 |
| Dimensions | |||
| Wingspan (ft) | 85.1 | - | 86.3 |
| Overall Height (ft) | 24.5 | - | 25.5 |
| Length (ft) | 84.3 | - | 91.2 |
| Cabin Height (ft) | 6.5 | - | 6.4 |
| Aisle Step (ft) | - | - | Flat Floor |
| Cabin Width (ft) | 8.5 | - | 7.6 |
| Cabin Width - Floor (ft) | 6.3 | - | 6.1 |
| Cabin Length (ft) | 40.4 | - | 41.5 |
| Cabin Length - Seating (ft) | 27.5 | - | 26.3 |
| Cabin Volume (cu. ft) | 1843 | - | - |
| Baggage Volume Int. (cu. ft) | 140 | - | 230 |
| Engine | |||
| No. of Engines | 2 | - | 2 |
| Manufacturer | Dassault Falcon | Gulfstream | Gulfstream |
| Model | PW812D | - | PW814GA |
| Thrust (lbs) | 14000 | - | 15144 |
| Flat Rating | ISA + 17 | - | ISA + 15 |
| FADEC | Yes | - | Yes |
| TBO (hrs) | 5000 | - | 10000 |
| Avionics | |||
| Flight Deck | Honeywell Primus EASy III | - | Gulfstream Symmetry Flight Deck |
| FMS | 3 | - | 3 |
| Autopilot | 2 | - | 2 |
| PFD | 2 | - | 2 |
| MFD | 2 | - | 2 |
| GPS | 3 | - | 3 |
| AHRS | 1 | - | 1 |
| Transponder | 2 | - | 2 |
| VHF Com | 3 | - | 3 |
| VHF NAV | 3 | - | 3 |
| Cabin | |||
| Total Seats | 17 | 12 | 12 |
| Cockpit | 3 | - | 2 |
| Standard Cabin Seats | 14 | - | 10 |
| Max Cabin Seats | 16 | 19 | 19 |
| Min Crew | 2 | 4 | 4 |
| Lavatory | 2 Enclosed Flushing | - | 2 Enclosed Flushing |
| Lavatory Location | FWD / AFT | - | FWD / AFT |
| Galley / Refreshment | Galley | - | Galley |
| Galley Location | FWD | - | FWD |
| Crew Rest | No | - | No |
| Jump Seat | Yes | - | Yes |
| Max Cabin Altitude (ft) | 3900 | - | - |
| SL Cabin Altitude (ft) | 29200 | - | 31900 |
| Cabin Pressure (psi) | 10.2 | - | 10.7 |
| Other | |||
| APU Manufacturer | - | - | - |
| APU Model | - | - | - |
| APU TBO (hrs) | - | - | - |
| Warranty | |||
| Airframe (Yrs) | 3 | - | 3 |
| Airframe (Hrs) | 1000 | - | 1000 |
| Engine (Yrs) | 2 | - | 2 |
| Engine (Hrs) | 1000 | - | 1000 |
| APU (Hrs) | 2000 | - | 2000 |
| Performance | |||
| Max Cruise Speed (Mach) | 0.9 | - | 0.9 |
| Max Cruise Speed (ktas) | 516 | 539 | 516 |
| Long Range Cruise (Mach) | 0.8 | - | 0.85 |
| Long Range Cruise (ktas) | 458 | - | 487 |
| Vref (kias) | 106 | - | - |
| Max Range (nm) | 5500 | 4200 | 5200 |
| Max Range Crew + 4 (nm) | 5500 | - | 5200 |
| Max Range Crew + 6 (nm) | - | - | 5200 |
| Max Range Crew + 8 (nm) | - | - | 5200 |
| Take-off FL (ft) | 5480 | - | 5200 |
| Take-Off (5000 / ISA + 10) | 7815 | - | - |
| Landing Roll (ft) | 2480 | - | 3100 |
| Service Ceiling (ft) | 51000 | - | 51000 |