

Range
4350 NM
Max Speed
Mach 0.88
Capacity
Up to 12
Avionics
Rolls-Royce
Engines
Tay 611-8C
Origin
United States
Ref ID: gulfstream-g450. Subject to prior sale or removal from market.
About The Gulfstream G450
The Gulfstream G450 is a large-cabin business jet that carried the proven Gulfstream IV family into the modern era. Introduced as a major upgrade over the GIV-SP, it added improved Rolls-Royce Tay engines, aerodynamic refinements, updated systems, and the Gulfstream PlaneView flight deck while preserving the cabin size and reliability that made the series popular with corporate operators.
4,350 Nautical Mile Range
Enough reach for many transatlantic and coast-to-coast business aviation missions.
500 Knot Cruise Capability
Strong cruise performance keeps trip times competitive in the large-cabin category.
Three-Zone Large Cabin
Flexible cabin layouts support meetings, dining, relaxation, and overnight rest.
PlaneView Flight Deck
Modernized Gulfstream avionics improved situational awareness and cockpit workflow.
Spotlight: 4,350 Nautical Mile Range
Enough reach for many transatlantic and coast-to-coast business aviation missions.
Milestones
Program Status
Out of Production
Gulfstream G450 Specifications
Performance
Max Cruise Speed
500 KTAS
(926 km/h)
Long Range Cruise
459 KTAS
(850 km/h)
Mach Speed
M 0.88
Max Range
4,350 NM
(8,056 km)
Service Ceiling
45,000 FT
(13,716 m)
Climb Rate
3,650 FPM
Takeoff Distance
5,450 FT
(1,661 m)
Landing Distance
3,260 FT
(994 m)
With a maximum range of approximately 4,350 nautical miles, a high-speed cruise capability near 500 knots, and a 45,000 ft service ceiling, the G450 is built for transcontinental, transatlantic, and high-utilization corporate missions. It remains especially attractive in the pre-owned market because it delivers large-cabin Gulfstream comfort without the acquisition cost of newer long-range models.
Powerplant
Engine Manufacturer
Rolls-Royce
Engine Model
Tay 611-8C
Engine Type
Turbofan
Thrust Per Engine
13,850 LBF
Engine Count
2
Maintenance Plan
On Condition
Noise Stage
Stage 4
The G450 is powered by two Rolls-Royce Tay 611-8C turbofan engines, each producing 13,850 pounds of thrust. This engine installation gave the aircraft improved reliability, FADEC control, and performance refinements compared with earlier Gulfstream IV variants, helping the G450 earn a reputation as a dependable workhorse for private and corporate flight departments.
Operating Weights
MTOW (Max Takeoff)
74,600 LB
(33,838 kg)
Max Landing Weight
66,000 LB
(29,937 kg)
Max Zero Fuel Weight
49,100 LB
(22,271 kg)
Max Payload
6,500 LB
(2,948 kg)
Fuel Capacity
29,500 LB
(13,381 kg)
Operating Empty Weight
43,200 LB
(19,595 kg)
Operating weights dictate the structural limits and mission profile of the aircraft. With an MTOW of 74,600 lbs, the Gulfstream G450 offers a high payload-to-range ratio, allowing operators to carry a full cabin without sacrificing distance.
Gulfstream G450 Interior
Cabin Specs
Length
40.4 FT
(12.31 m)
Width
7.3 FT
(2.23 m)
Height
6.2 FT
(1.89 m)
The Gulfstream G450 cabin offers a three-zone large-cabin layout with seating for up to 16 passengers depending on configuration. Its approximately 40.4 ft cabin length, 7.3 ft width, 6.2 ft height, forward galley, dual lavatory options, and 169 cubic feet of baggage space make it highly practical for executive teams, family travel, and charter operations.

Operating Economics
Based on an assumed utilization of 450 flight hours annually.
Variable Costs
Fixed Costs
Annual Budget
$2.69M
Estimated Total Spend
Market Leading Operators
The Gulfstream G450 had a new list price of approximately $43 million. Pre-owned examples usually trade at lower prices depending on age, hours, maintenance condition, and interior upgrades.
The Gulfstream G450 has a maximum range of approximately 4,350 nautical miles under long-range cruise assumptions.
The G450 can cruise at up to approximately 500 knots, with a maximum operating speed around Mach 0.88.
Depending on configuration, the Gulfstream G450 can seat up to 16 passengers.