Gulfstream G650 vs Dassault Falcon 8X
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 | Gulfstream G650 | Dassault Falcon 8X |
|---|---|---|
|
|
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| Price Range | $35,500,000 | $39,900,000 – $44,600,000 |
| Category | Ultra-Long Range Jet | Ultra-Long Range Jet |
| Model Specifications | ||
| Seats | 19 | 16 |
| Cruise Speed | 488 kts (904 km/h) | 481 kts (891 km/h) |
| Range | 7,500 nm (13,890 km) | 6,450 nm (11,945 km) |
| Service Ceiling | 51,000 ft (15,545 m) | 51,000 ft (15,545 m) |
| Max Gross Weight | 99,600 lbs (45,179 kg) | 73,000 lbs (33,113 kg) |
| Useful Load | 30,000 lbs (13,608 kg) | — |
| Fuel Capacity | 6,800.0 gal (25738 L) | — |
| Fuel Burn | 410.0 GPH (1552 L/h) | 250.0 GPH (946 L/h) |
| TBO | 6,000 hrs | 5,000 hrs |
| Overhaul Cost | $900,000 | $1,200,000 |
| Annual Fixed | $1,200,000 | $800,000 |
| Hourly Variable | $5,800 | $4,800 |
| Engines | 2 x Turbofan | 3 x Turbofan |
Cost of Ownership
EstimateGulfstream G650
Fuel$2,255/hr
Variable$5,800/hr
Annual Fixed$1,200,000/yr
Total (200 hrs/yr)
$2,360,000/yr
Dassault Falcon 8X
Fuel$1,375/hr
Variable$4,800/hr
Annual Fixed$800,000/yr
Total (200 hrs/yr)
$1,760,000/yr
Which Should You Buy: Gulfstream G650 or Dassault Falcon 8X?
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 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.
Pick the Falcon 8X if…
- Lower operating cost — ~$4800/hr vs $5800/hr.
- Newer design — production from 2016 vs 2012.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.
Frequently Asked Questions
Which is better, Gulfstream G650 or Dassault Falcon 8X?
It depends on your mission and budget.
The G650 cruises at 488 kts with 7,500 nm range.
The Falcon 8X cruises at 481 kts with 6,450 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Gulfstream G650 and Dassault Falcon 8X?
Falcon 8X engine: Pratt & Whitney PW307D.
Seats: 19 vs 16.
Cruise: 488 vs 481 kts.
Range: 7500 vs 6450 nm.
Which is cheaper to operate per hour?
G650: about $5800/hr variable cost.
Falcon 8X: about $4800/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?
G650: 19 seats / 30,000 lb useful load.
Falcon 8X: 16 seats.
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?
G650: 6,000-hour TBO, overhaul ~$900,000.
Falcon 8X: 5,000-hour TBO, overhaul ~$1,200,000.
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