Gulfstream G650ER
 

The fastest ultra-long-range business jet in the world, the Gulfstream G650ER is capable of reaching Mach 0.925 and sustaining a comfortable Mach 0.90. Powered by two Rolls-Royce BR725 A1-12 Turbofans delivering 16,900 pounds of thrust, the extended range variant is capable of flying 7,500 nautical miles at up to 51,000ft.