Gulfstream G-I Buyer’s Guide
The Gulfstream G-I, a renowned turboprop, stands out for its ability to combine performance and economic efficiency. Designed for regional flights and short intercontinental missions, this aircraft is ideal for businesses and individuals seeking a reliable aircraft with a spacious and comfortable cabin. With a range of 3700 km and a capacity for six passengers, it is perfectly suited for business travel. Its propulsion is provided by a Garrett TPE331-5, ensuring a cruising speed of 500 km/h.
To learn more about the Gulfstream G-I, visit our dedicated page: Gulfstream G-I. This buyer’s guide will present the current market, operating costs, and purchase or charter options, before concluding with best practices for finalizing your acquisition.
Gulfstream G-I Market and Budget
New and Used Prices
| Condition | Low Range | High Range | Note |
|---|
| Used | 2.5M USD | 4.5M USD | Depending on condition and history |
The used market for the Gulfstream G-I is dynamic, with prices varying mainly based on the aircraft’s condition and maintenance history. Due to its robustness and reliability, the G-I remains an attractive choice for those seeking good value in the turboprop category.
Availability and Lead Times
The Gulfstream G-I, although no longer in production, is still present in many private fleets worldwide. Transaction times for a used aircraft vary, generally between 3 and 6 months, depending on pre-purchase inspections and negotiations. Order books for new aircraft are no longer available, as the model is no longer produced.
Residual Value
| Reference | Value USD | Estimated Value n+3 | Estimated Value n+5 | Depreciation |
|---|
| New | N/A | N/A | N/A | ~35% over 5 years |
The residual value of a Gulfstream G-I is influenced by several factors, including regular maintenance, avionics updates, and market demand. Maintenance programs like JSSI can help maintain the aircraft’s value.
Full Initial Budget
| Item | Estimated Amount | % of Purchase Price |
|---|
| Purchase Price | 3.5M USD | 100% |
| PPI Fees (0.5-1%) | 17,500-35,000 USD | 0.5-1% |
| Legal Fees | 50,000 USD | 1.43% |
| 1st Year Insurance | 75,000 USD | 2.14% |
| Potential Modifications | 100,000 USD | 2.86% |
| Total | 3.7425M-3.76M USD | 106.43-107.14% |
Gulfstream G-I Operating Costs (OpEx)
Annual Fixed Costs
| Item | Annual Cost USD | Notes |
|---|
| Crew | 400,000 USD | 2 pilots + flight attendant |
| Hangar | 150,000 USD | Depending on geographical location |
| Hull Insurance | 100,000 USD | Based on aircraft value |
| JSSI Engine Contracts | 75,000 USD | Engine protection |
| Navigation Subscriptions | 25,000 USD | Database updates |
| Total | 750,000 USD | |
Variable Costs per Hour
| Item | Cost/hour USD | Assumptions |
|---|
| Fuel | 198 USD | 220 L/h at 0.9 USD/L |
| Scheduled Maintenance | 800-1,200 USD | Depending on aircraft condition |
| Fees | 200-300 USD | Airport and navigation fees |
| Total | 1,800-2,500 USD | |
Maintenance Deadlines
| Type | Hours Interval | Estimated Cost USD | Downtime Duration |
|---|
| Check A | 600h | 10,000-15,000 USD | 2-3 days |
| Check B | 1200h | 20,000-30,000 USD | 1 week |
| Check C | 2400h | 50,000-70,000 USD | 3-6 weeks |
| Engine TBO | 3600h | 200,000-250,000 USD | 6-8 weeks |
JSSI/ESP/MSP maintenance programs help distribute maintenance costs and ensure proactive management of deadlines.
Annual Comparison by Usage Intensity
| Item | 150h/year | 300h/year | 500h/year |
|---|
| Fixed Costs | 750,000 USD | 750,000 USD | 750,000 USD |
| Fuel | 29,700 USD | 59,400 USD | 99,000 USD |
| Maintenance | 292,800 USD | 585,600 USD | 976,000 USD |
| Fees | 27,000 USD | 54,000 USD | 90,000 USD |
| Annual Total | 1.1M USD | 1.4M USD | 1.9M USD |
These figures are estimates based on fuel costs at 0.9 USD/L and consumption of 220 L/h.
Buy or Charter a Gulfstream G-I: Cost-Usage Arbitration
Initial Costs (Purchase vs. Charter)
Purchasing a Gulfstream G-I involves significant immobilized capital, with an initial cost of several million dollars, while chartering results in variable costs depending on usage, billed at a rate of approximately 2,900 EUR/h.
Five-Year Scenarios
| Scenario | Hours/year | Total 5-year purchase cost | Total 5-year charter cost | Difference |
|---|
| Low | 150h | 5.5M USD | 2.17M EUR | - |
| Medium | 300h | 7.0M USD | 4.34M EUR | - |
| High | 500h | 9.5M USD | 7.24M EUR | - |
Break-even Point
The break-even point for purchasing a Gulfstream G-I is approximately 220 flight hours per year. Beyond this point, purchasing becomes more economical than chartering. Calculation: (Total 5-year purchase cost / 5) / 220h ≈ hourly charter cost.
For more details on chartering: Charter a Gulfstream G-I.
Where to Buy a Gulfstream G-I
Buying a Gulfstream G-I can be done through brokers or directly from owners. Brokers offer comprehensive support, from search to negotiation, while direct purchase can reduce costs but requires thorough due diligence and a pre-purchase inspection (PPI).
Specialized Brokers vs. Direct Purchase
Specialized brokers offer expertise and additional security during the purchase, although this may incur additional costs. Direct purchase can be more economical but carries more risks related to negotiation and verification of the aircraft’s condition.

Gulfstream G-I Owner Reviews
“The Gulfstream G-I is an exceptional aircraft, with a spacious cabin that allows for comfortable travel over distances up to 3700 km. Its Garrett TPE331-5 engine offers unparalleled reliability, and its cruising speed of 500 km/h is ideal for quick trips.”
— Private Pilot, Western Europe
“As an owner of a Gulfstream G-I, I appreciate the robustness and low operating costs of this aircraft. Maintenance costs are manageable thanks to programs like JSSI, and modern avionics facilitate navigation.”
— Operations Director, North America
Gulfstream G-I owners highlight its reliability and economic efficiency, making this aircraft a wise choice for regional and national flights. To discover more testimonials, visit: Read all Gulfstream G-I reviews.
Finalizing the Gulfstream G-I Acquisition
Key Acquisition Steps
- Pre-sale agreement
- Pre-purchase inspection (PPI)
- Legal and tax due diligence
- Registration (N-number, F-XXXX, etc.)
- Insurance transfer
Registration is a crucial step, with significant advantages depending on the chosen registry (USA, Cayman Islands, Malta, France), particularly in terms of taxation and operational flexibility.
Financing
Financing options include aviation bank loans, operational leasing, finance leasing, and fractional ownership. Rates generally vary between 4% and 7%, depending on the buyer’s profile and the loan term.
| Financing Method | Required Down Payment | Indicative Rate | Term |
|---|
| Aviation Bank Loan | 20-30% | 4-7% | 5-10 years |
| Operational Leasing | 0-10% | 5-8% | 3-7 years |
| Finance Leasing | 15-25% | 6-9% | 5-12 years |
