Compare Gulfstream G400 vs Gulfstream G500 vs Gulfstream G650ER
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| Manufacturer | Gulfstream | Gulfstream | Gulfstream |
| Aircraft Type | G400 | G500 | G650ER |
| Base Aircraft Price (USD) | 34500000 | $47,500,000 | $60,000,000 |
| Direct Operating Cost | - | $ 4,644 | $ 4,844 |
| DOC / nm | - | $ 9.00 | $ 9.39 |
| DOC / nm / Seat | - | $ 0.90 | $ 0.78 |
| Max Cruise Speed (ktas) | 539 | 516 | 516 |
| Max Range (nm) | 4200 | 5200 | 7500 |
| Useful Load (lbs) | 30650 | 30650 | 49500 |
| Total Seats | 12 | 12 | 14 |
| Cockpit | - | 2 | 2 |
| Standard Cabin Seats | - | 10 | 12 |
| Max Cabin Seats | 19 | 19 | 19 |
| Min Crew | 4 | 4 | 4 |
| Flight Deck (Base Spec) | Gulfstream Symmetry Flight Deck | Gulfstream Symmetry Flight Deck | Gulfstream PlaneView II (Primus Epic) |
| Certification | - | In Development | FAA / EASA |
| OEM Verification | - | Un-Verified | Un-Verified |
| Weights | |||
| MRAMP (lbs) | - | 77250 | 104000 |
| MTOW (lbs) | - | 79600 | 103600 |
| MLW (lbs) | - | 64350 | 83500 |
| MZFW (lbs) | - | 52100 | 60500 |
| BOW (lbs) | - | 46850 | 54000 |
| Useful Load (lbs) | 30650 | 30650 | 49500 |
| Max Payload (lbs) | - | 5500 | 6000 |
| Fuel Capacity (lbs) | - | 28850 | 48200 |
| Payload Max Fuel (lbs) | - | 1800 | 1300 |
| Max Baggage Weight (lbs) | - | 2250 | 2500 |
| Dimensions | |||
| Wingspan (ft) | - | 86.3 | 99.6 |
| Overall Height (ft) | - | 25.5 | 25.7 |
| Length (ft) | - | 91.2 | 99.8 |
| Cabin Height (ft) | - | 6.4 | 6.5 |
| Aisle Step (ft) | - | Flat Floor | Flat Floor |
| Cabin Width (ft) | - | 7.6 | 8.2 |
| Cabin Width - Floor (ft) | - | 6.1 | 6.7 |
| Cabin Length (ft) | - | 41.5 | 46.9 |
| Cabin Length - Seating (ft) | - | 26.3 | 32.7 |
| Baggage Volume Int. (cu. ft) | - | 230 | 235 |
| Engine | |||
| No. of Engines | - | 2 | 2 |
| Manufacturer | Gulfstream | Gulfstream | Gulfstream |
| Model | - | PW814GA | BR725 A1-12 |
| Thrust (lbs) | - | 15144 | 16900 |
| Flat Rating | - | ISA + 15 | ISA + 15 |
| FADEC | - | Yes | Yes |
| TBO (hrs) | - | 10000 | On-Condition |
| Avionics | |||
| Flight Deck | - | Gulfstream Symmetry Flight Deck | Gulfstream PlaneView II (Primus Epic) |
| FMS | - | 3 | 3 |
| Autopilot | - | 2 | 2 |
| PFD | - | 2 | 2 |
| MFD | - | 2 | 2 |
| GPS | - | 3 | 2 |
| AHRS | - | 1 | 1 |
| Transponder | - | 2 | 2 |
| VHF Com | - | 3 | 2 |
| VHF NAV | - | 3 | 2 |
| Cabin | |||
| Total Seats | 12 | 12 | 14 |
| Cockpit | - | 2 | 2 |
| Standard Cabin Seats | - | 10 | 12 |
| Max Cabin Seats | 19 | 19 | 19 |
| Min Crew | 4 | 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 | Yes |
| Jump Seat | - | Yes | Yes |
| SL Cabin Altitude (ft) | - | 31900 | 31900 |
| Cabin Pressure (psi) | - | 10.7 | 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) | 539 | 516 | 516 |
| Long Range Cruise (Mach) | - | 0.85 | 0.85 |
| Long Range Cruise (ktas) | - | 487 | 487 |
| Vref (kias) | - | - | 114 |
| Max Range (nm) | 4200 | 5200 | 7500 |
| Max Range Crew + 4 (nm) | - | 5200 | 7500 |
| Max Range Crew + 6 (nm) | - | 5200 | 7500 |
| Max Range Crew + 8 (nm) | - | 5200 | 7500 |
| Take-off FL (ft) | - | 5200 | 6299 |
| Take-Off (5000 / ISA + 10) | - | - | 11139 |
| Landing Roll (ft) | - | 3100 | 3000 |
| Service Ceiling (ft) | - | 51000 | 51000 |