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The answer depends on what you measure. On the published figures available for this comparison, the Falcon 10X has the largest listed cabin volume and the widest wingspan, while the Gulfstream G700 is marginally longer than the Falcon 10X. Bombardier reports a substantial Global 7500 cabin, but the source set used here does not establish the aircraft’s exterior dimensions or a directly comparable set of cabin dimensions. That makes a universal “largest business jet” ranking unreliable.
What “largest” means in a private-jet comparison
Business-jet size is not one measurement. An aircraft can be longer outside but offer less usable passenger space, or have a wider cabin while occupying more ramp and hangar width. For a useful comparison, separate the question into four measurements:
- Exterior length: affects stand position, hangar depth and taxiway clearances.
- Wingspan: often creates the most difficult hangar and airport constraint because wings extend far beyond the fuselage.
- Cabin dimensions: length, width and height determine how the interior feels and how easily it can be divided into rooms.
- Cabin volume: a useful overall space indicator, but only when manufacturers measure the same areas in the same way.
Range and passenger capacity are important buying criteria, but neither makes an aircraft physically larger. They belong in the comparison because they influence how much space is occupied by fuel, crew areas, seating and amenities.
Published dimensions at a glance
The following figures are manufacturer-published specifications or, for the Global 7500 range-history figure, a report prepared for Bombardier. They are not the result of a standardized independent test.
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| Aircraft | Exterior length | Wingspan | Exterior height | Cabin length | Cabin width | Cabin height | Cabin volume | Published range basis |
|---|---|---|---|---|---|---|---|---|
| Bombardier Global 7500 | Not established in the retrieved source text | Not established | Not established | Not established | Not established | Not established | 74.58 m³, with Bombardier’s Environmental Product Declaration defining accommodation volume as pressurized areas accessible to crew and passengers | 7,700 nm in a Bombardier program-history document; not a complete current comparison basis |
| Dassault Falcon 10X | 109 ft 7 in (33.40 m) | 110 ft 4 in (33.60 m) | 27 ft 7 in (8.4 m) | 53 ft 12 in (16.40 m) on the product page; a Dassault backgrounder gives 53 ft 10 in | 109 in (2.77 m) | 80 in (2.03 m) | 2,780 ft³ (78.70 m³) | 7,500 nm with eight passengers and NBAA IFR reserves |
| Gulfstream G700 | 109 ft 10 in (33.48 m) | 103 ft (31.39 m) | 25 ft 5 in (7.75 m) | 56 ft 11 in, excluding baggage | 8 ft 2 in (2.49 m) | 6 ft 3 in (1.91 m) | 2,603 ft³ (73.71 m³) | 7,750 nm theoretical NBAA IFR range at Mach 0.85, with eight passengers, four crew and NBAA IFR reserves |
Because the Global 7500 exterior and interior dimensional fields are not established in the source text, this table should not be read as a complete three-aircraft dimensional ranking.
Exterior footprint: the G700 and Falcon 10X are nearly tied in length
Length
Among the two aircraft with sourced exterior measurements, the G700 is listed as 3 inches longer than the Falcon 10X. That is a very small difference in a hangar or on a ramp. It does not establish that the G700 has a larger cabin: fuselage length includes cockpit, systems, doors, baggage areas and structural sections that passengers cannot use.
Wingspan
The Falcon 10X has a wingspan 7 ft 4 in greater than the G700 in the published specifications. That is a meaningful operational difference. A wide-wing aircraft may require a larger hangar door, a different parking position or an airport stand that meets a higher wingspan category, even when fuselage lengths are almost identical.
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Height
The Falcon 10X specification lists a taller exterior height than the G700. Height can affect hangar clearance, maintenance access and the equipment needed to move an aircraft indoors. It also does not translate directly into cabin headroom: exterior height includes the fuselage shell, insulation, systems and the lower fuselage structure.
No sourced exterior length, span or height should be assigned to the Global 7500 in this article. Commonly repeated numbers from memory or secondary listings would create a false three-way ranking.
Cabin space: why the Falcon 10X leads on the published volume figures
Falcon 10X
Dassault lists 2,780 ft³ (78.70 m³) for the Falcon 10X cabin, along with a 109-inch (2.77 m) cabin width and an 80-inch (2.03 m) cabin height. Those figures make the 10X the largest by the listed cabin-volume number in this comparison. Its published cabin length is shown as 53 ft 12 in (16.40 m) on the product page, while a Dassault backgrounder gives 53 ft 10 in. The two figures differ slightly, so quoting them as if they were a single precisely verified measurement would be misleading.
Dassault’s official maiden-flight page says, “The Falcon 10X offers the most spacious cabin in business aviation.” That is the manufacturer’s positioning statement, not an independently verified industry ranking. It is consistent with the larger listed volume, but the conclusion still depends on how each manufacturer defines the volume included.
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Gulfstream G700
Gulfstream lists 2,603 ft³ (73.71 m³) of cabin volume, a 56 ft 11 in cabin length excluding baggage, an 8 ft 2 in (2.49 m) width and a 6 ft 3 in (1.91 m) height. The G700 therefore has a longer published passenger cabin than the Falcon 10X figure shown on the product page, but the Falcon specification shows the greater total volume. This is a practical example of why cabin length alone cannot answer which jet feels largest.
A longer cabin can help an owner create more distinct zones, while extra width can improve aisle clearance, seat spacing and the ability to place furniture opposite one another. Height changes whether passengers can stand comfortably and how much overhead storage or lighting architecture can be installed. The best layout depends on how those dimensions are distributed, not on one headline number.
Global 7500
Bombardier’s Environmental Product Declaration reports 74.58 m³ of Global 7500 cabin volume and describes four configurable cabin zones. Its definition of total accommodation volume includes pressurized areas accessible to crew and passengers. That boundary is an important qualification: competitor figures may include or exclude different spaces, so the numerical values should not be treated as perfectly interchangeable until the measurement definitions are verified.
On the figures available here, the Global 7500 sits numerically close to the other two aircraft in total reported volume, but the available source text does not provide its cabin length, width or height. It is therefore not possible to say from this evidence whether it has the widest cabin, the tallest cabin or the longest usable passenger area.
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If “largest” means the highest published cabin-volume number in the supplied specifications, the Falcon 10X comes first at 2,780 ft³ (78.70 m³), followed by the G700 at 2,603 ft³ (73.71 m³). Bombardier’s Global 7500 figure is 74.58 m³, but its accommodation-volume definition is explicitly tied to pressurized areas accessible to crew and passengers, and equivalent boundaries for the other aircraft have not been established here.
That means the defensible answer is conditional:
- Largest listed volume: Falcon 10X, using the published numbers above.
- Longest published passenger cabin: G700, based on its stated 56 ft 11 in length excluding baggage; this does not make it the largest by total volume.
- Largest cabin in a fully standardized three-way test: not established by the available specifications.
For a purchase decision, inspect detailed interior drawings and ask each manufacturer whether galley, lavatory, crew-rest, wardrobe and baggage areas are included in the quoted volume. A cabin that measures smaller on paper can feel more open if its furniture, doors and partitions are arranged efficiently.
Range figures are not an apples-to-apples size test
Headline range numbers describe different operating assumptions. The Falcon 10X page specifies 7,500 nautical miles with eight passengers and NBAA instrument-flight-rule reserves. Gulfstream labels the G700 figure as a theoretical 7,750 nautical miles at Mach 0.85, with eight passengers, four crew and NBAA IFR reserves. Those assumptions should be read beside the number; changing speed, payload, reserves, winds or routing changes the achievable distance.
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A Bombardier program document prepared for Bombardier and dated 2021 states 7,700 nautical miles for the Global 7500. In the passage available for this comparison, that figure is program-history context rather than a complete current specification with the same passenger, crew, speed and reserve assumptions used for the other aircraft.
Consequently, the G700’s 7,750 nm theoretical figure should not be presented as proof that it is larger, nor should the Global 7500’s program figure be treated as a directly controlled race against the Falcon 10X. Range is best used to test whether a proposed mission can be flown nonstop after the operator applies its own payload and reserve policy.
Passenger capacity and cabin zoning
Both the Falcon 10X and G700 pages list a maximum of 19 passenger seats. That is a manufacturer capacity specification, not a promise that every delivered aircraft will have 19 comfortable seats. Owners commonly trade seats for dining furniture, beds, lounges, showers, storage or dedicated work areas.
Bombardier’s Global 7500 declaration identifies four configurable cabin zones. The number of zones says more about layout flexibility than about total volume: four compact zones and three expansive zones can have very different passenger experiences. The same principle applies to the Falcon 10X and G700, whose final interiors can be configured for different missions.
When comparing cabin plans, check the location and dimensions of:
- the main entry and any interior stairs or steps;
- lavatories and showers, including door swing and usable floor area;
- galleys, ovens, refrigeration and food-storage runs;
- club seats, conference seating and berths;
- crew-rest compartments and wardrobes;
- baggage access during flight and the amount of baggage space excluded from cabin-length figures.
These details determine whether the quoted space works for a family, an executive team, a long-range charter mission or a mixed passenger-and-crew operation.
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Hangar planning
Do not size a hangar from fuselage length alone. The aircraft must clear the door with its wings level, leave room for tug operations and provide maintenance access around engines, landing gear and control surfaces. The Falcon 10X’s published span is substantially greater than the G700’s, so a hangar that fits the G700 by width may not fit the Falcon 10X safely.
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For the Global 7500, obtain a current manufacturer dimensional drawing before committing to construction or a lease. The source set here does not establish its exterior measurements, and a generic “large-cabin jet” allowance is not a substitute for a certified footprint.
Airport compatibility
Airport constraints involve more than runway length. Apron stand geometry, taxiway separation, pavement classification, de-icing space, fuel-truck access and local wingspan categories can all affect dispatch. A larger cabin may be attractive, but an aircraft that cannot use a preferred airport without repositioning can add time and cost to every trip.
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A practical decision framework
- Define the mission. List the longest regular routes, typical passenger count, baggage needs and whether nonstop performance is essential.
- Set the cabin priority. Choose whether width, standing height, total volume, sleeping arrangements or the number of separated zones matters most.
- Check the physical site. Verify hangar door width and height, internal clearance, tug paths and local airport stand limits against official dimensional drawings.
- Normalize range assumptions. Ask for range at the same passenger count, crew count, speed policy and reserve standard before comparing route capability.
- Compare actual layouts. Review floor plans for the intended seating count rather than relying on maximum-seat claims.
- Confirm aircraft status. Ask the manufacturer or authorized sales channel about certification, delivery timing, completion options and the specification of the exact aircraft being offered.
This process prevents a common mistake: selecting the aircraft with the biggest brochure number when the real constraint is a hangar, a preferred airport or the amount of usable floor space after furnishing.
Certification and availability caveat for the Falcon 10X
The reviewed Falcon 10X product page presents specifications but does not establish current certification or customer-delivery status. Do not infer that a published dimension means an aircraft is immediately available for delivery. Verify the regulatory and production status directly with Dassault before making an acquisition, charter or scheduling decision.
The same discipline applies to all three aircraft. Specifications can change as a program moves from design to certification and customer completion, and an individual aircraft’s interior can differ from the illustrated standard layout.
Why there is no definitive “world’s largest” winner here
There is no single independent industry statistic in the available material that ranks these three aircraft by every relevant dimension. The evidence combines manufacturer specifications with a Bombardier program-history report, and the Global 7500 exterior fields are not established in the source text. Cabin-volume boundaries also differ.
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A careful conclusion is therefore more useful than a dramatic ranking: the Falcon 10X has the largest listed cabin volume and the widest sourced wingspan; the G700 is slightly longer outside and has the longest published passenger-cabin length; and the Global 7500 has a reported 74.58 m³ accommodation volume with four configurable zones, but cannot be placed confidently in an exterior-size ranking from these figures alone.
Bottom line
For passengers asking which jet has the largest cabin, the Falcon 10X is the leading answer on the published cabin-volume figures, subject to differences in measurement definitions. For operators concerned with footprint, the Falcon 10X’s wider span deserves particular attention, while the G700’s exterior length is only marginally greater. The Global 7500 remains a major large-cabin aircraft, but a fair three-way dimensional verdict requires verified exterior and cabin measurements collected under consistent definitions.
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