Compare Cessna Citation Longitude vs Gulfstream G400
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| Manufacturer | Cessna Citation | Gulfstream |
| Aircraft Type | Longitude | G400 |
| Base Aircraft Price (USD) | $29,965,000 | 34500000 |
| Direct Operating Cost | $ 2,500 | - |
| DOC / nm | $ 5.23 | - |
| DOC / nm / Seat | $ 0.65 | - |
| Max Cruise Speed (ktas) | 481 | 539 |
| Max Range (nm) | 3500 | 4200 |
| Useful Load (lbs) | - | 30650 |
| Total Seats | 10 | 12 |
| Cockpit | 2 | - |
| Standard Cabin Seats | 8 | - |
| Max Cabin Seats | 12 | 19 |
| Min Crew | 2 | 4 |
| Flight Deck (Base Spec) | Garmin G5000 | Gulfstream Symmetry Flight Deck |
| Certification | FAA Certified | - |
| OEM Verification | Un-Verified | - |
| Weights | ||
| MRAMP (lbs) | 39700 | - |
| MTOW (lbs) | 39500 | - |
| MLW (lbs) | 33500 | - |
| MZFW (lbs) | 26000 | - |
| Useful Load Max Fuel (lbs) | 1600 | - |
| Payload Max Fuel (lbs) | 1600 | - |
| Max Baggage Weight (lbs) | 1115 | - |
| Dimensions | ||
| Wingspan (ft) | 68.9 | - |
| Overall Height (ft) | 19.4 | - |
| Length (ft) | 73.2 | - |
| Cabin Height (ft) | 6 | - |
| Aisle Step (ft) | Flat Floor | - |
| Cabin Width (ft) | 6.4 | - |
| Cabin Width - Floor (ft) | 4.1 | - |
| Cabin Length (ft) | 25.2 | - |
| Cabin Length - Seating (ft) | 16.5 | - |
| Baggage Volume Int. (cu. ft) | 112 | - |
| Engine | ||
| No. of Engines | 2 | - |
| Manufacturer | Cessna Citation | Gulfstream |
| Model | HTF7700L | - |
| Thrust (lbs) | 7665 | - |
| Flat Rating | ISA + 19 | - |
| FADEC | Yes | - |
| TBO (hrs) | On-Condition | - |
| Fuel Burn (lbph) | 1478 | - |
| Avionics | ||
| Flight Deck | Garmin G5000 | - |
| FMS | 1 | - |
| Autopilot | 1 | - |
| PFD | 2 | - |
| MFD | 1 | - |
| GPS | 1 | - |
| AHRS | 1 | - |
| Transponder | 1 | - |
| VHF Com | 2 | - |
| VHF NAV | 2 | - |
| Cabin | ||
| Total Seats | 10 | 12 |
| Cockpit | 2 | - |
| Standard Cabin Seats | 8 | - |
| Max Cabin Seats | 12 | 19 |
| Min Crew | 2 | 4 |
| Lavatory | 1 Enclosed Belted Flushing | - |
| Lavatory Location | AFT | - |
| Galley / Refreshment | Galley | - |
| Galley Location | FWD | - |
| Crew Rest | No | - |
| Jump Seat | No | - |
| SL Cabin Altitude (ft) | 25400 | - |
| Cabin Pressure (psi) | 9.7 | - |
| Other | ||
| APU Manufacturer | Honeywell | - |
| APU Model | 36-150 | - |
| Warranty | ||
| Airframe (Yrs) | 3 | - |
| Airframe (Hrs) | 1000 | - |
| Engine (Yrs) | 2 | - |
| Engine (Hrs) | 1000 | - |
| APU (Hrs) | 2000 | - |
| Performance | ||
| Max Cruise Speed (Mach) | 0.84 | - |
| Max Cruise Speed (ktas) | 481 | 539 |
| Long Range Cruise (Mach) | 0.79 | - |
| Long Range Cruise (ktas) | 452 | - |
| Max Range (nm) | 3500 | 4200 |
| Max Range Crew + 4 (nm) | 3500 | - |
| Max Range Crew + 6 (nm) | 3462 | - |
| Max Range Crew + 8 (nm) | 3427 | - |
| Take-off FL (ft) | 4810 | - |
| Landing Roll (ft) | 3170 | - |
| Max Climb Rate (fpm) | 2550 | - |
| Service Ceiling (ft) | 45000 | - |