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Gulfstream G550 vs KC-46 Pegasus

Gulfstream G550 vs KC-46 Pegasus at a glance — top speed 941 vs 914 km/h, range 12,500 vs 11,830 km, max takeoff weight 41,050 vs 188,240 kg, built 600 vs 108 units.

Gulfstream G550 military transport aircraft side profile drawing
🇺🇸 Gulfstream G550
Boeing KC-46 Pegasus military transport aircraft side profile drawing
🇺🇸 KC-46 Pegasus
Specifications
Gulfstream G550 KC-46 Pegasus
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer Gulfstream Boeing
First flight 1 January 2003 28 December 2014
Year introduced 2004 2019
Number produced 600 units 108 units
Average unit price $62 million $287 million
Wing area 106.0 m² -- m²
Wingspan 28.5 m 48.1 m
Height 7.7 m 15.9 m
Length 29.4 m 50.5 m
Maximum speed 941 km/h 914 km/h
Operational range 12,500 km 11,830 km
Service ceiling 15,545 m 12,200 m
Max. takeoff weight 41,050 kg 188,240 kg
Empty weight 20,956 kg 82,377 kg
Total thrust 2 x 6,690 kgf 2 x 280 kN
Performance Radar Chart
Change comparison vs
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Frequently Asked Questions

Which is faster, the Gulfstream G550 or KC-46 Pegasus?
The Gulfstream G550 is faster with a maximum speed of 941 km/h compared to the KC-46 Pegasus's 914 km/h, a difference of 27 km/h.
Which has longer range, the Gulfstream G550 or KC-46 Pegasus?
The Gulfstream G550 has a longer range at 12,500 km compared to the KC-46 Pegasus's 11,830 km.
Which can fly higher, the Gulfstream G550 or KC-46 Pegasus?
The Gulfstream G550 has a higher service ceiling at 15,545 meters (51,000 ft) compared to the KC-46 Pegasus's 12,200 meters (40,026 ft).
Which is heavier, the Gulfstream G550 or KC-46 Pegasus?
The KC-46 Pegasus has a higher maximum takeoff weight at 188,240 kg compared to the Gulfstream G550's 41,050 kg.
Which is larger, the Gulfstream G550 or KC-46 Pegasus?
The KC-46 Pegasus is longer at 50.5 meters compared to the Gulfstream G550's 29.4 meters.
Which is more expensive, the Gulfstream G550 or KC-46 Pegasus?
The KC-46 Pegasus is more expensive at approximately $287 million per unit compared to the Gulfstream G550 at $62 million.
Which entered service first, the Gulfstream G550 or KC-46 Pegasus?
The Gulfstream G550 entered service first in 2004, 15 years before the KC-46 Pegasus which entered service in 2019.
Which has been built in greater numbers, the Gulfstream G550 or KC-46 Pegasus?
The Gulfstream G550 has been produced in greater numbers with 600 units compared to 108 units of the KC-46 Pegasus.