Dassault Falcon 8X vs Gulfstream G650
The Falcon 8X (tri-jet, ~6,450 nm) and G650 (twin, ~7,000 nm) are the two flagship ultra-long-range business jets — the 8X offers tri-jet redundancy, the lowest fuel burn in its class and the Dassault cabin; the G650 offers longer range, higher cruise and the largest cabin.
Full Specs Comparison
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| Spec / Model | Dassault Falcon 8X | Gulfstream G650 |
|---|---|---|
|
|
|
| Price Range | $39,900,000 – $44,600,000 | $35,500,000 |
| Category | Jets | Jets |
| Model Specifications | ||
| Seats | 16 | 19 |
| Cruise Speed | 481 kts (891 km/h) | 488 kts (904 km/h) |
| Range | 6,450 nm (11,945 km) | 7,500 nm (13,890 km) |
| Service Ceiling | 51,000 ft (15,545 m) | 51,000 ft (15,545 m) |
| Max Gross Weight | 73,000 lbs (33,113 kg) | 99,600 lbs (45,179 kg) |
| Useful Load | — | 30,000 lbs (13,608 kg) |
| Fuel Capacity | — | 6,800.0 gal (25738 L) |
| Fuel Burn | 250.0 GPH (946 L/h) | 410.0 GPH (1552 L/h) |
| TBO | 5,000 hrs | 6,000 hrs |
| Overhaul Cost | $1,200,000 | $900,000 |
| Annual Fixed | $800,000 | $1,200,000 |
| Hourly Variable | $4,800 | $5,800 |
| Engines | 3 x Turbofan | 2 x Turbofan |
Cost of Ownership
EstimateDassault Falcon 8X
Fuel$1,375/hr
Variable$4,800/hr
Annual Fixed$800,000/yr
Total (200 hrs/yr)
$1,760,000/yr
Gulfstream G650
Fuel$2,255/hr
Variable$5,800/hr
Annual Fixed$1,200,000/yr
Total (200 hrs/yr)
$2,360,000/yr
Which Should You Buy: Dassault Falcon 8X or Gulfstream G650?
Bottom line: Choose the G650 for the longest range, fastest cruise and largest cabin. Choose the Falcon 8X for tri-jet redundancy (preferred for overwater/short-runway missions), lower fuel burn and a quieter cabin.
Pick the Falcon 8X if…
- Lower operating cost — ~$4800/hr vs $5800/hr.
- Newer design — production from 2016 vs 2012.
Pick the G650 if…
- Budget matters — from $35,500,000 vs $39,900,000, you save ~$4,400,000.
- More seats — 19 vs 16.
- Faster cruise — 488 kts vs 481 kts.
- Longer range — 7500 nm vs 6450 nm.
- More inventory — 19 listings vs 9.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.
Frequently Asked Questions
Which is better, Dassault Falcon 8X or Gulfstream G650?
It depends on your mission and budget.
The Falcon 8X cruises at 481 kts with 6,450 nm range.
The G650 cruises at 488 kts with 7,500 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Dassault Falcon 8X: from $44,600,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Dassault Falcon 8X and Gulfstream G650?
Falcon 8X engine: Pratt & Whitney PW307D.
Seats: 16 vs 19.
Cruise: 481 vs 488 kts.
Range: 6450 vs 7500 nm.
Which is cheaper to operate per hour?
Falcon 8X: about $4800/hr variable cost.
G650: about $5800/hr variable cost.
Variable cost includes fuel, reserves and overhaul accruals. Annual fixed costs (hangar, insurance, annual inspection) add to the total.
Which has more seats and useful load?
Falcon 8X: 16 seats.
G650: 19 seats / 30,000 lb useful load.
Useful load = max gross weight minus empty weight; it determines how much fuel plus payload you can carry.
How does maintenance compare — TBO and overhaul cost?
Falcon 8X: 5,000-hour TBO, overhaul ~$1,200,000.
G650: 6,000-hour TBO, overhaul ~$900,000.
Reaching the time-between-overhaul (TBO) triggers a mandatory engine/airframe rebuild that affects resale value.
Disclaimer: All prices and cost estimates are from third-party sources for informational purposes only. Always obtain professional appraisal and inspection before purchase.
Prices updated daily · Data: FAA Registry, NTSB · About our data