Compare Gulfstream G400 vs Gulfstream G600
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| Manufacturer | Gulfstream | Gulfstream |
| Aircraft Type | G400 | G600 |
| Base Aircraft Price (USD) | 34500000 | $58,500,000 |
| Direct Operating Cost | - | $ 4,789 |
| DOC / nm | - | $ 9.28 |
| DOC / nm / Seat | - | $ 0.93 |
| Max Cruise Speed (ktas) | 539 | 516 |
| Max Range (nm) | 4200 | 6500 |
| Useful Load (lbs) | 30650 | 40560 |
| Total Seats | 12 | 12 |
| Cockpit | - | 2 |
| Standard Cabin Seats | - | 10 |
| Max Cabin Seats | 19 | 19 |
| Min Crew | 4 | 4 |
| Flight Deck (Base Spec) | Gulfstream Symmetry Flight Deck | Gulfstream Symmetry Flight Deck |
| Certification | - | FAA |
| OEM Verification | - | Un-Verified |
| Weights | ||
| MRAMP (lbs) | - | 92000 |
| MTOW (lbs) | - | 94600 |
| MLW (lbs) | - | 76800 |
| MZFW (lbs) | - | 57440 |
| BOW (lbs) | - | 51470 |
| BEW (lbs) | - | 54040 |
| Useful Load (lbs) | 30650 | 40560 |
| Max Payload (lbs) | - | 6000 |
| Fuel Capacity (lbs) | - | 38760 |
| Payload Max Fuel (lbs) | - | 1800 |
| Max Baggage Weight (lbs) | - | 2250 |
| Dimensions | ||
| Wingspan (ft) | - | 94.1 |
| Overall Height (ft) | - | 25.3 |
| Length (ft) | - | 96.1 |
| Cabin Height (ft) | - | 6.4 |
| Aisle Step (ft) | - | Flat Floor |
| Cabin Width (ft) | - | 7.6 |
| Cabin Width - Floor (ft) | - | 6.1 |
| Cabin Length (ft) | - | 45.2 |
| Cabin Length - Seating (ft) | - | 30.2 |
| Baggage Volume Int. (cu. ft) | - | 230 |
| Engine | ||
| No. of Engines | - | 2 |
| Manufacturer | Gulfstream | Gulfstream |
| Model | - | PW815GA |
| Thrust (lbs) | - | 15680 |
| Flat Rating | - | ISA + 15 |
| FADEC | - | Yes |
| TBO (hrs) | - | 10000 |
| Avionics | ||
| Flight Deck | - | Gulfstream Symmetry Flight Deck |
| FMS | - | 3 |
| Autopilot | - | 2 |
| PFD | - | 2 |
| MFD | - | 2 |
| GPS | - | 3 |
| AHRS | - | 1 |
| Transponder | - | 2 |
| VHF Com | - | 3 |
| VHF NAV | - | 3 |
| Cabin | ||
| Total Seats | 12 | 12 |
| Cockpit | - | 2 |
| Standard Cabin Seats | - | 10 |
| Max Cabin Seats | 19 | 19 |
| Min Crew | 4 | 4 |
| Lavatory | - | 2 Enclosed Flushing |
| Lavatory Location | - | FWD / AFT |
| Galley / Refreshment | - | Galley |
| Galley Location | - | FWD |
| Crew Rest | - | Yes |
| Jump Seat | - | Yes |
| SL Cabin Altitude (ft) | - | 31900 |
| Cabin Pressure (psi) | - | 10.7 |
| Other | ||
| APU Manufacturer | - | - |
| APU Model | - | - |
| APU TBO (hrs) | - | - |
| Warranty | ||
| Airframe (Yrs) | - | 3 |
| Airframe (Hrs) | - | 1000 |
| Engine (Yrs) | - | 2 |
| Engine (Hrs) | - | 1000 |
| APU (Hrs) | - | 2000 |
| Performance | ||
| Max Cruise Speed (Mach) | - | 0.9 |
| Max Cruise Speed (ktas) | 539 | 516 |
| Long Range Cruise (Mach) | - | 0.85 |
| Long Range Cruise (ktas) | - | 487 |
| Max Range (nm) | 4200 | 6500 |
| Max Range Crew + 4 (nm) | - | 6500 |
| Max Range Crew + 6 (nm) | - | 6500 |
| Max Range Crew + 8 (nm) | - | 6500 |
| Take-off FL (ft) | - | 5900 |
| Landing Roll (ft) | - | 3100 |
| Service Ceiling (ft) | - | 51000 |