Compare Bombardier Challenger 650 vs Gulfstream G400
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| Manufacturer | Bombardier | Gulfstream |
| Aircraft Type | Challenger 650 | G400 |
| Base Aircraft Price (USD) | $32,400,000 | 34500000 |
| Direct Operating Cost | $ 3,365 | - |
| DOC / nm | $ 7.16 | - |
| DOC / nm / Seat | $ 0.80 | - |
| Max Cruise Speed (ktas) | 470 | 539 |
| Max Range (nm) | 4085 | 4200 |
| Useful Load (lbs) | 21050 | 30650 |
| Total Seats | 11 | 12 |
| Cockpit | 2 | - |
| Standard Cabin Seats | 9 | - |
| Max Cabin Seats | 12 | 19 |
| Min Crew | 2 | 4 |
| Flight Deck (Base Spec) | Rockwell Collins Pro Line 21 Advanced | Gulfstream Symmetry Flight Deck |
| Certification | FAA / EASA | - |
| OEM Verification | VERIFIED | - |
| Weights | ||
| MRAMP (lbs) | 48300 | - |
| MTOW (lbs) | 48200 | - |
| MLW (lbs) | 38000 | - |
| MZFW (lbs) | 32000 | - |
| BOW (lbs) | 27250 | - |
| BEW (lbs) | 27150 | - |
| Useful Load (lbs) | 21050 | 30650 |
| Max Payload (lbs) | 3750 | - |
| Fuel Capacity (lbs) | 19852 | - |
| Payload Max Fuel (lbs) | 1198 | - |
| Max Baggage Weight (lbs) | 900 | - |
| Dimensions | ||
| Wingspan (ft) | 64.4 | - |
| Overall Height (ft) | 20.7 | - |
| Length (ft) | 68.4 | - |
| Cabin Height (ft) | 6 | - |
| Aisle Step (ft) | Flat Floor | - |
| Cabin Width (ft) | 7.9 | - |
| Cabin Width - Floor (ft) | 6.9 | - |
| Cabin Length (ft) | 25.6 | - |
| Cabin Length - Seating (ft) | 15.4 | - |
| Baggage Volume Int. (cu. ft) | 112 | - |
| Engine | ||
| No. of Engines | 2 | - |
| Manufacturer | Bombardier | Gulfstream |
| Model | CF34-3B MTO | - |
| Thrust (lbs) | 9220 | - |
| Flat Rating | ISA + 15 | - |
| FADEC | Yes | - |
| TBO (hrs) | On-Condition | - |
| Avionics | ||
| Flight Deck | Rockwell Collins Pro Line 21 Advanced | - |
| FMS | 2 | - |
| Autopilot | 1 | - |
| PFD | 2 | - |
| MFD | 2 | - |
| GPS | 2 | - |
| AHRS | 2 | - |
| ADC | 2 | - |
| Transponder | 2 | - |
| VHF Com | 2 | - |
| VHF NAV | 2 | - |
| Cabin | ||
| Total Seats | 11 | 12 |
| Cockpit | 2 | - |
| Standard Cabin Seats | 9 | - |
| Max Cabin Seats | 12 | 19 |
| Min Crew | 2 | 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) | 23000 | - |
| Cabin Pressure (psi) | 8.8 | - |
| 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) | 0.82 | - |
| Max Cruise Speed (ktas) | 470 | 539 |
| Long Range Cruise (Mach) | 0.8 | - |
| Long Range Cruise (ktas) | 458 | - |
| Vref (kias) | 117 | - |
| Max Range (nm) | 4085 | 4200 |
| Max Range Crew + 4 (nm) | 4011 | - |
| Max Range Crew + 6 (nm) | 4011 | - |
| Take-off FL (ft) | 5640 | - |
| Landing Roll (ft) | 2402 | - |
| Max Climb Rate (fpm) | 4345 | - |
| Service Ceiling (ft) | 41000 | - |