Iai Astra/Gulfstream 1125 Spx vs Bombardier Challenger 601
Full Specs Comparison
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| Spec / Model | IAI Astra/Gulfstream 1125 Spx | Bombardier Challenger 601 |
|---|---|---|
|
|
|
| Price Range | $2,395,000 | $1,300,000 – $2,850,000 |
| Category | Midsize Jet | Large Cabin Jet |
| Model Specifications | ||
| Seats | — | 12 |
| Cruise Speed | — | 435 kts (806 km/h) |
| Range | — | 3,500 nm (6,482 km) |
| Service Ceiling | — | 41,000 ft (12,497 m) |
| Max Gross Weight | — | 45,100 lbs (20,457 kg) |
| Useful Load | — | 12,000 lbs (5,443 kg) |
| Fuel Capacity | — | 2,540.0 gal (9614 L) |
| Fuel Burn | — | 300.0 GPH (1136 L/h) |
| TBO | — | 5,000 hrs |
| Overhaul Cost | — | $900,000 |
| Annual Fixed | — | $600,000 |
| Hourly Variable | — | $4,200 |
| Engines | — | 2 x Turbofan |
Cost of Ownership
EstimateIAI Astra/Gulfstream 1125 Spx
Bombardier Challenger 601
Fuel$1,650/hr
Variable$4,200/hr
Annual Fixed$600,000/yr
Total (200 hrs/yr)
$1,440,000/yr
Frequently Asked Questions
Which is better, IAI Astra/Gulfstream 1125 Spx or Bombardier Challenger 601?
It depends on your mission and budget.
The Challenger 601 cruises at 435 kts with 3,500 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
IAI Astra/Gulfstream 1125 Spx: from $2,395,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between IAI Astra/Gulfstream 1125 Spx and Bombardier Challenger 601?
Challenger 601 engine: General Electric CF34-1A.
Which is cheaper to operate per hour?
Challenger 601: about $4200/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?
Challenger 601: 12 seats / 12,000 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?
Challenger 601: 5,000-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