Gulfstream G550 vs Gulfstream G450
The Gulfstream V and G450 are different segments — the GV is the ultra-long-range intercontinental flagship (~6,500 nm); the G450 is the large-cabin transatlantic heavy (~4,350 nm).
Full Specs Comparison
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| Spec / Model | Gulfstream G550 | Gulfstream G450 |
|---|---|---|
|
|
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| Price Range | $5,000,000 – $34,950,000 | $8,750,000 – $17,750,000 |
| Category | Large Cabin Jet | Large Cabin Jet |
| Model Specifications | ||
| Seats | 18 | 16 |
| Cruise Speed | 488 kts (904 km/h) | 476 kts (882 km/h) |
| Range | 6,750 nm (12,501 km) | 4,350 nm (8,056 km) |
| Service Ceiling | 51,000 ft (15,545 m) | 45,000 ft (13,716 m) |
| Max Gross Weight | 91,000 lbs (41,278 kg) | 74,600 lbs (33,839 kg) |
| Useful Load | 27,500 lbs (12,474 kg) | 22,000 lbs (9,979 kg) |
| Fuel Capacity | 6,078.0 gal (23005 L) | 4,370.0 gal (16540 L) |
| Fuel Burn | 380.0 GPH (1438 L/h) | 340.0 GPH (1287 L/h) |
| TBO | 7,000 hrs | 6,000 hrs |
| Overhaul Cost | $1,300,000 | $700,000 |
| Annual Fixed | $900,000 | $600,000 |
| Hourly Variable | $5,500 | $3,600 |
| Engines | 2 x Turbofan | 2 x Turbofan |
Cost of Ownership
EstimateGulfstream G550
Fuel$2,090/hr
Variable$5,500/hr
Annual Fixed$900,000/yr
Total (200 hrs/yr)
$2,000,000/yr
Gulfstream G450
Fuel$1,870/hr
Variable$3,600/hr
Annual Fixed$600,000/yr
Total (200 hrs/yr)
$1,320,000/yr
Which Should You Buy: Gulfstream G550 or Gulfstream G450?
Bottom line: Choose the GV for genuine intercontinental nonstop range. Choose the G450 for transatlantic capability at materially lower acquisition cost — the practical large-cabin Gulfstream for missions that don't require true intercontinental range.
Pick the G550 if…
- Budget matters — from $5,000,000 vs $8,750,000, you save ~$3,750,000.
- More seats — 18 vs 16.
- Faster cruise — 488 kts vs 476 kts.
- Longer range — 6750 nm vs 4350 nm.
- More inventory — 66 listings vs 39.
Pick the G450 if…
- Lower operating cost — ~$3600/hr vs $5500/hr.
- Newer design — production from 2004 vs 2003.
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 G550 or Gulfstream G450?
It depends on your mission and budget.
The G550 cruises at 488 kts with 6,750 nm range.
The G450 cruises at 476 kts with 4,350 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Gulfstream G550: from $9,850,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Gulfstream G550 and Gulfstream G450?
Seats: 18 vs 16.
Cruise: 488 vs 476 kts.
Range: 6750 vs 4350 nm.
Which is cheaper to operate per hour?
G550: about $5500/hr variable cost.
G450: about $3600/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?
G550: 18 seats / 27,500 lb useful load.
G450: 16 seats / 22,000 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?
G550: 7,000-hour TBO, overhaul ~$1,300,000.
G450: 6,000-hour TBO, overhaul ~$700,000.
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