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• From the exterior G450, you will note the repositioning of the main entrance door and the slightly longer fuselage than that of the GIV/G400. Inside the aircraft, all of the systems in the G450 have been modified to improve safety, passenger comfort and pilot efficiencies.
• The G450 outperforms the G400 with a 250-nautical mile additional range capability and improved hot-day and high-elevation takeoff performance. G450 owners, operators, pilots and passengers familiar with the G400 will immediately see and feel the difference provided by the extra 12 inches in the fuselage and changes in the interior arrangement. Inside the cockpit, the flight crew will discover a working environment designed for safety and efficiency with the state-of-the-art PlaneView cockpit, a fully integrated flight deck that is more advanced than anything found on competing aircraft. In addition the crew will enjoy 30 percent more work space. With Gulfstream's signature Cursor Control Device and large, easy-to-read displays, pilots will use point-and-click technology to access the status of onboard systems or update flight information. Those in the cabin will experience a significant increase in the level of comfort, as a result of improved temperature control and cabin pressure systems.
• The G450 incorporates the most advanced avionics, cockpit displays, aircraft systems, aerodynamic enhancements and flight safety features, and retains the aesthetic design and signature windows that have set Gulfstream aircraft apart from its competition. Every aspect of the new Gulfstream G450 was designed for safety, performance, reliability and comfort.
• The G450 aircraft design includes the proven wing, winglet and tail unit design of the G400 aircraft, a stretched fuselage 12 inches longer than the G400 and the flight deck and nose section of the G550. The entrance door has been relocated further aft.
• The Gulfstream G450, an upgrade of the G400 and has increased performance. It has a "PlaneView" (which consists of 4 Honeywell 21 EFIS screens, and a Gulfstream-designed cursor control system), and an "Enhanced Vision System" (EVS), an infrared camera that displays an image of the view in front of the camera on a head up display, EVS permits the aircraft to land in lower-visibility than a non-EVS-equipped aircraft.

• The aircraft is powered by two Rolls Royce Tay Mark 611-8C turbofan engines each developing 61.6kN. The engines are housed in nacelles of the same design as the G550. The engines are equipped with full authority digital engine control and thrust reversers.
• The aircraft has a Honeywell auxiliary power unit model 36-150GIV providing engine air start and run to altitudes up to 11,280m (37,000ft).
• Rolls-Royce has developed an improved Tay engine, designated the Tay 611- 8C, which produces 13,850 pounds of thrust and was certified in December 2002 by the LBA. It is manufactured by Rolls-Royce Deutschland in Germany. This engine features a Full Authority Digital Engine Control (FADEC), improved larger diameter fan, modified high pressure turbine and new bypass/core mixer. These improvements have resulted in reduced fuel burn, increased operating margins, and increased thrust for improved takeoff and climb performance, and extension of maintenance intervals to 6,000 hours midlife and 12,000 hours for full overhaul.
• The Tay 611-8C engine, in combination with the new composite, single- pivot, fixed-nozzle (G550 style) thrust-reverser system from Nordam, and a series of aerodynamic improvements, extends the G450 range to 4,350 nautical miles at .80 Mach. That's Dallas to Paris on a hot day with eight passengers aboard. Additionally, the G450 can climb to an initial cruise altitude of 41,000 feet in just 23 minutes and take off from a 5,450-foot runway with a full load of fuel and eight passengers onboard.