Gulfstream G450 vs Bombardier Challenger 300
The Gulfstream G450 (large heavy, ~4,350 nm) and the Challenger 300 (super-midsize, ~3,200 nm) are different-segment aircraft — the G450 is a true heavy with wide cabin; the Challenger 300 is the volume super-mid.
Full Specs Comparison
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| Spec / Model | Gulfstream G450 | Bombardier Challenger 300 |
|---|---|---|
|
|
|
| Price Range | $8,750,000 – $17,750,000 | $4,150,000 – $14,295,000 |
| Category | Large Cabin Jet | Super-Midsize Jet |
| Model Specifications | ||
| Seats | 16 | 10 |
| Cruise Speed | 476 kts (882 km/h) | 450 kts (833 km/h) |
| Range | 4,350 nm (8,056 km) | 3,100 nm (5,741 km) |
| Service Ceiling | 45,000 ft (13,716 m) | 45,000 ft (13,716 m) |
| Max Gross Weight | 74,600 lbs (33,839 kg) | 38,850 lbs (17,622 kg) |
| Useful Load | 22,000 lbs (9,979 kg) | 9,500 lbs (4,309 kg) |
| Fuel Capacity | 4,370.0 gal (16540 L) | 1,430.0 gal (5413 L) |
| Fuel Burn | 340.0 GPH (1287 L/h) | 260.0 GPH (984 L/h) |
| TBO | 6,000 hrs | 5,000 hrs |
| Overhaul Cost | $700,000 | $700,000 |
| Annual Fixed | $600,000 | $500,000 |
| Hourly Variable | $3,600 | $3,500 |
| Engines | 2 x Turbofan | 2 x Turbofan |
Cost of Ownership
EstimateGulfstream G450
Fuel$1,870/hr
Variable$3,600/hr
Annual Fixed$600,000/yr
Total (200 hrs/yr)
$1,320,000/yr
Bombardier Challenger 300
Fuel$1,430/hr
Variable$3,500/hr
Annual Fixed$500,000/yr
Total (200 hrs/yr)
$1,200,000/yr
Which Should You Buy: Gulfstream G450 or Bombardier Challenger 300?
Bottom line: Choose the Challenger 300 for super-mid economics. Step up to the G450 for the heavy cabin and transatlantic-class range — at multiples of the 300's per-hour cost.
Pick the G450 if…
- More seats — 16 vs 10.
- Faster cruise — 476 kts vs 450 kts.
- Longer range — 4350 nm vs 3100 nm.
Pick the Challenger 300 if…
- Budget matters — from $4,150,000 vs $8,750,000, you save ~$4,600,000.
- Lower operating cost — ~$3500/hr vs $3600/hr.
- More inventory — 55 listings vs 42.
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 G450 or Bombardier Challenger 300?
It depends on your mission and budget.
The G450 cruises at 476 kts with 4,350 nm range.
The Challenger 300 cruises at 450 kts with 3,100 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 G450 and Bombardier Challenger 300?
Challenger 300 engine: Honeywell HTF7000.
Seats: 16 vs 10.
Cruise: 476 vs 450 kts.
Range: 4350 vs 3100 nm.
Which is cheaper to operate per hour?
G450: about $3600/hr variable cost.
Challenger 300: about $3500/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?
G450: 16 seats / 22,000 lb useful load.
Challenger 300: 10 seats / 9,500 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?
G450: 6,000-hour TBO, overhaul ~$700,000.
Challenger 300: 5,000-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