Aircraft comparison

Dassault Falcon 10X vs Gulfstream G800

Summary
The Dassault Falcon 10X and the Gulfstream G800 are two ultra-long-range jets, compared here on the specifications that matter. On the numbers, the Gulfstream G800 flies farther (8,000 vs 7,500 nm); the Gulfstream G800 is faster (516 vs 493 kt); the Dassault Falcon 10X has the taller cabin (6.7 vs 6.4 ft).
Specification Falcon 10X G800
Range 7,500 nm (13,890 km) 8,000 nm (14,816 km)
Max cruise speed 493 kt (913 km/h) 516 kt (955.6 km/h)
Max Mach 0.925 mach 0.935 mach
Max operating altitude 51,000 ft (15,544.8 m) 51,000 ft (15,544.8 m)
Max takeoff weight 115,000 lb (52,163.1 kg) 105,600 lb (47,899.3 kg)
Typical passengers 12 count 13 count
Max passengers 19 count 19 count
Cabin length 53.8 ft (16.4 m) 46.8 ft (14.26 m)
Cabin height 6.7 ft (2.04 m) 6.4 ft (1.95 m)
Cabin width 9.1 ft (2.77 m) 8.5 ft (2.59 m)
Powerplant Rolls-Royce Pearl 10X Rolls-Royce Pearl 700
Engines 2 count 2 count
Thrust per engine 18,000 lbf 18,250 lbf

Highlighted cells mark the stronger value per row (direction is per-metric). Economics and derived figures are estimates, not booking prices.