Overview
If you want heavy-jet cabin volume and true intercontinental utility without seven-figure annual burn rates, the Gulfstream GIV‑SP remains one of the more rational entries in 2026. It delivers a published range of 4,220 nm on the strength of twin Rolls‑Royce Tay 611‑8 engines, with a cabin that runs roughly 40 feet in usable length and 7.3 feet across at its widest point. Typical seating is up to 14 passengers, and the mission set spans North America, the Caribbean, and most transatlantic city pairs under favorable winds.
The segment knows the trade: acquisition dollars saved on day one must be set against legacy systems, aging structure, and upgrade gaps. That calculus still works for the right airframe. Pre‑owned pricing is clearing in a broad $1.5–4.0M band, and the spread is explained by time and cycles, engine maintenance program enrollment, avionics compliance and obsolescence, and the state of the interior. A careful technical read, not brochure metrics, should decide the winner.
As context, we recently represented a principal on a GIV‑SP acquisition where a ferry‑to‑PPI revealed an engine fuel control unit (FCU) squawk. We negotiated a $180k credit against the discrepancy prior to close. That is the profile of risk and remedy that still makes sense at this price point.
Production & Variants
- Model: Gulfstream GIV‑SP (market also references it as the G400 in later branding).
- Production years: 1992–2002.
- Approximate build count: ~330.
The GIV‑SP is the evolution of the earlier GIV. Airframes in this block benefit from incremental system and performance refinements, and they sit at a useful point in the Gulfstream lineage: modern enough to carry current international capability with upgrades, old enough that capital cost is not punitive. Within the fleet, you will see varied avionics states—from original Honeywell SPZ‑8400 suites to extensively modernized flight decks—and interiors that range from original CRT‑era cabins to contemporary refits. Those deltas drive value more than cosmetic paint alone.
Specifications
- Engines: Twin Rolls‑Royce Tay 611‑8.
- Range: 4,220 nm (conditions and configuration dependent).
- Cabin: approximately 40 ft of usable length; 7.3 ft max width.
- Seating: up to 14 passengers.
If you need additional technical parameters (weights, speeds, field performance), current market data on request. For most principals, the above numbers frame the mission envelope; utilization and compliance status will do more to determine actual utility than book figures.
Cabin & Configuration
The GIV‑SP cabin remains competitive in volume, particularly for a first heavy‑jet entry. Length at roughly 40 feet enables a forward galley, two club sections, and an aft three‑place divan with two singles while still leaving space for a full‑size lavatory. Width at 7.3 feet permits conventional club‑seat ergonomics for longer sectors. Typical certified layouts accommodate up to 14 passengers, though many principals operate with 8–10 for comfort and baggage.
Legacy cabins often present with analog switchgear, CRT monitors, and first‑generation IFE. Some aircraft have had full interior modernizations; others retain functional but dated soft goods and veneers. The delta is not just cosmetic—older IFE and switchgear can be parts‑sparse and drive unscheduled costs. If you prefer to buy right and refit to taste, assessing monument condition, wiring harness age, and the ease of integrating modern cabin management systems is prudent.
Avionics
The baseline panel is the Honeywell SPZ‑8400. Across the fleet, you will see a wide range of modification histories. Key questions in 2026:
- ADS‑B and FANS: Verify compliance status. Some aircraft are fully upgraded, others are partially compliant or not at all; the gap is a material value driver and a dispatch‑reliability issue for oceanic and congested airspace.
- Displays and FMS: Many panels still carry legacy CRT displays and earlier‑generation FMS. Several airframes have received modernized components; others are candidates for full updates. The cost, downtime, and parts availability profile should be scoped during pre‑purchase.
- Autopilot/Flight Director: The SPZ‑8400 remains supportable, but obsolescence risk increases with original‑spec hardware. Assess serial‑number‑specific service bulletins and repair turn times.
For principals who need a specific ops spec or routing profile, we can align airframe selection with the right compliance set. If you are considering a cockpit refresh, current market data on options and economics is available on request.
Market Value (2026)
- Observed pre‑owned range: $1.5–4.0M.
Drivers of the spread:
- Time and cycles: Lower‑time hulls with cleaner histories price toward the top of the band; high‑time aircraft with heavy upcoming inspections trade toward the bottom.
- Engine maintenance program enrollment: Coverage (MSP‑style engine program or equivalent) supports liquidity and value; off‑program engines discount due to exposure on major events.
- Avionics state: Full ADS‑B/FANS compliance and refreshed avionics command a premium over original SPZ‑8400/CRT configurations.
- Cabin condition: Contemporary interiors with modern IFE and soft goods clear higher; analog/CRT‑era cabins and dated monuments pull values down.
Transaction outcomes in this class are sensitive to PPI findings. Credits for corrosion remediation, fuel tank sealant work, and engine findings can bridge gaps but should not substitute for a clean baseline.
Operating Costs
Direct and fixed cost profiles vary widely with utilization, location, and maintenance status. Given the age band, unscheduled variance and upgrade decisions matter as much as fuel and crew line items. If you need modeled hourly and annual budgets for a specific tail, current market data on request. The key cost drivers for planning purposes:
- Engines: Tay 611‑8 condition and program status influence reserves and event risk.
- Avionics: Legacy equipment carries parts scarcity and higher repair exposure; compliance gaps can drive near‑term capital.
- Interior and systems: Older cabins and analog components can impose refurbishment and parts‑sourcing costs beyond soft goods.
- Geography and labor: Shop rates and downtime vary by region; slot access can determine calendar cost as much as invoice price.
Maintenance Programs
Enrollment in an engine maintenance program (MSP‑style coverage or equivalent) is a primary value lever in this fleet. Buyers price the delta between covered and uncovered engine risk into offers, particularly where time since major events is long and cycles are high. On the airframe and avionics side, supportability is still present but increasingly parts‑driven; planning for component overhauls and potential obsolescence workarounds is prudent.
During diligence, request full program status letters, verify transferability, and confirm any prorated liabilities. For aircraft not on program, we size risk via trend monitoring, borescope data, and a shop’s view of likely near‑term events.
Common Pre‑Purchase Findings
The GIV‑SP is a capable platform with predictable diligence themes. Recurrent PPI items we see:
- Corrosion in wing structure: Aging airframes exhibit localized corrosion that can be missed without targeted inspections. Extent and access drive remediation cost.
- Tay 611‑8 condition: Borescope and trend data rule the day. Fuel control unit behavior, hot section health, and event histories are focal.
- ADS‑B/FANS upgrade status: Partial or absent compliance will be flagged by any competent buyer and should be priced in.
- Cabin obsolescence: CRT screens, analog switchgear, and first‑generation IFE add parts‑availability risk and can complicate refits.
- Fuel tank sealant aging: Seepage and leaks are not rare in this age cohort; plan for inspection access and downtime if findings emerge.
Case example: on a recent GIV‑SP (SN‑1340), a ferry flight to the PPI surfaced an engine FCU discrepancy. The finding became a negotiated $180k credit prior to close—a practical illustration of how discovery translates to economics when approached with discipline.
Comparable Aircraft
Within the heavy‑jet segment, there are adjacent platforms with similar cabin volume and range profiles. If you want a side‑by‑side matrix (cabin size, range, avionics state, and current clearing prices), current market data on request. We will align comparables to your mission, compliance needs, and appetite for upgrade work.
How MyVIP Aviation Helps
We represent buyers and sellers. Our role is principal‑side: sourcing, vetting, and negotiating on your behalf; coordinating technical diligence with shops that know this airframe; and structuring credit or remediation for findings that matter. We are a charter broker and not an air carrier, and we do not operate aircraft. That independence keeps the focus on the transaction economics, compliance posture, and the airframe’s suitability for your mission and ownership horizon.
On the buy‑side, our process starts with mission definition and a filter on range, cabin, and avionics compliance. We then target hulls where the spread between ask and required work leaves rational room for capital. On the sell‑side, we clean up logbook narratives, surface and address predictable buyer objections (compliance gaps, corrosion risks, cabin obsolescence), and price the aircraft to clear efficiently without giving away value.
A final note on expectations: in this class, time invested in a rigorous PPI and a disciplined negotiation usually pays for itself several times over. Whether you intend to hold for a few years or longer, we anchor the file to today’s market realities and the known technical profile of the GIV‑SP.