Compare Cessna Citation Longitude vs Gulfstream G280 vs Gulfstream G400
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| Manufacturer | Cessna Citation | Gulfstream | Gulfstream |
| Aircraft Type | Longitude | G280 | G400 |
| Base Aircraft Price (USD) | $29,965,000 | $24,900,000 | 34500000 |
| Direct Operating Cost | $ 2,500 | $ 3,168 | - |
| DOC / nm | $ 5.23 | $ 6.57 | - |
| DOC / nm / Seat | $ 0.65 | $ 0.82 | - |
| Max Cruise Speed (ktas) | 481 | 481 | 539 |
| Max Range (nm) | 3500 | 3600 | 4200 |
| Useful Load (lbs) | - | 15550 | 30650 |
| Total Seats | 10 | 10 | 12 |
| Cockpit | 2 | 2 | - |
| Standard Cabin Seats | 8 | 8 | - |
| Max Cabin Seats | 12 | 10 | 19 |
| Min Crew | 2 | 2 | 4 |
| Flight Deck (Base Spec) | Garmin G5000 | Gulfstream PlaneView (Pro Line Fusion) | Gulfstream Symmetry Flight Deck |
| Certification | FAA Certified | FAA / EASA | - |
| OEM Verification | Un-Verified | Un-Verified | - |
| Weights | |||
| MRAMP (lbs) | 39700 | 39750 | - |
| MTOW (lbs) | 39500 | 39600 | - |
| MLW (lbs) | 33500 | 32700 | - |
| MZFW (lbs) | 26000 | 28200 | - |
| BOW (lbs) | - | 24150 | - |
| BEW (lbs) | - | 24050 | - |
| Useful Load (lbs) | - | 15550 | 30650 |
| Max Payload (lbs) | - | 4000 | - |
| Fuel Capacity (lbs) | - | 14600 | - |
| Useful Load Max Fuel (lbs) | 1600 | - | - |
| Payload Max Fuel (lbs) | 1600 | 950 | - |
| Max Baggage Weight (lbs) | 1115 | 1980 | - |
| Dimensions | |||
| Wingspan (ft) | 68.9 | 63 | - |
| Overall Height (ft) | 19.4 | 21.4 | - |
| Length (ft) | 73.2 | 66.9 | - |
| Cabin Height (ft) | 6 | 6.3 | - |
| Aisle Step (ft) | Flat Floor | 0.3 | - |
| Cabin Width (ft) | 6.4 | 6.9 | - |
| Cabin Width - Floor (ft) | 4.1 | 5.4 | - |
| Cabin Length (ft) | 25.2 | 25.9 | - |
| Cabin Length - Seating (ft) | 16.5 | 17.7 | - |
| Baggage Volume Int. (cu. ft) | 112 | 154 | - |
| Engine | |||
| No. of Engines | 2 | 2 | - |
| Manufacturer | Cessna Citation | Gulfstream | Gulfstream |
| Model | HTF7700L | HTF7250G | - |
| Thrust (lbs) | 7665 | 7624 | - |
| Flat Rating | ISA + 19 | ISA + 17 | - |
| FADEC | Yes | Yes | - |
| TBO (hrs) | On-Condition | On-Condition | - |
| Fuel Burn (lbph) | 1478 | - | - |
| Avionics | |||
| Flight Deck | Garmin G5000 | Gulfstream PlaneView (Pro Line Fusion) | - |
| FMS | 1 | 2 | - |
| Autopilot | 1 | 2 | - |
| PFD | 2 | 2 | - |
| MFD | 1 | 2 | - |
| GPS | 1 | 2 | - |
| AHRS | 1 | 1 | - |
| Transponder | 1 | 2 | - |
| VHF Com | 2 | 2 | - |
| VHF NAV | 2 | 2 | - |
| Cabin | |||
| Total Seats | 10 | 10 | 12 |
| Cockpit | 2 | 2 | - |
| Standard Cabin Seats | 8 | 8 | - |
| Max Cabin Seats | 12 | 10 | 19 |
| Min Crew | 2 | 2 | 4 |
| Lavatory | 1 Enclosed Belted Flushing | 1 Enclosed Belted Flushing | - |
| Lavatory Location | AFT | AFT | - |
| Galley / Refreshment | Galley | Galley | - |
| Galley Location | FWD | FWD | - |
| Crew Rest | No | No | - |
| Jump Seat | No | No | - |
| Max Cabin Altitude (ft) | - | 5800 | - |
| SL Cabin Altitude (ft) | 25400 | 25000 | - |
| Cabin Pressure (psi) | 9.7 | 9.2 | - |
| Other | |||
| APU Manufacturer | Honeywell | - | - |
| APU Model | 36-150 | - | - |
| 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) | 0.84 | 0.84 | - |
| Max Cruise Speed (ktas) | 481 | 481 | 539 |
| Long Range Cruise (Mach) | 0.79 | 0.8 | - |
| Long Range Cruise (ktas) | 452 | 458 | - |
| Vref (kias) | - | 115 | - |
| Max Range (nm) | 3500 | 3600 | 4200 |
| Max Range Crew + 4 (nm) | 3500 | 3600 | - |
| Max Range Crew + 6 (nm) | 3462 | - | - |
| Max Range Crew + 8 (nm) | 3427 | - | - |
| Take-off FL (ft) | 4810 | 4750 | - |
| Take-Off (5000 / ISA + 10) | - | 7320 | - |
| Landing Roll (ft) | 3170 | 2720 | - |
| Max Climb Rate (fpm) | 2550 | 5000 | - |
| Service Ceiling (ft) | 45000 | 45000 | - |