Aircraft comparison

Dassault Falcon 900LX vs Gulfstream IV-SP (GIV-SP)

Summary
The Dassault Falcon 900LX and the Gulfstream IV-SP (GIV-SP) are two heavy jets, compared here on the specifications that matter. On the numbers, the Dassault Falcon 900LX flies farther (4,750 vs 4,220 nm); the Gulfstream IV-SP (GIV-SP) carries more (19 vs 14 pax); the Dassault Falcon 900LX is faster (500 vs 476 kt). Across 1038 benchmark city pairs in this database, the Dassault Falcon 900LX reaches more nonstop (611 versus 516). On a route like Atlanta – Olbia (SS) (4,272 nm), only the Dassault Falcon 900LX makes it nonstop (estimated from published range).

Key differences

Range
530nm
11.2% · Falcon 900LX ahead
Cruise speed
24kt
4.8% · Falcon 900LX ahead
Cabin height
0.1ft
1.6% · Falcon 900LX ahead
Max passengers
5
26.3% · Gulfstream IV-SP (GIV-SP) ahead
Nonstop reach
611 / 516
of 1038 benchmark routes
Specification Falcon 900LX Gulfstream IV-SP (GIV-SP)
Range 4,750 nm (8,797 km)✓ 4,220 nm (7,815.4 km)
Max cruise speed 500 kt (926 km/h)✓ 476 kt (881.6 km/h)
Max operating altitude 51,000 ft (15,544.8 m)✓ 45,000 ft (13,716 m)
Max takeoff weight 49,000 lb (22,226 kg) 74,600 lb (33,838 kg)
Typical passengers 12 count 13 count✓
Max passengers 14 count 19 count✓
Cabin length 33.2 ft (10.12 m) 45.1 ft (13.75 m)✓
Cabin height 6.2 ft (1.89 m)✓ 6.1 ft (1.86 m)
Cabin width 7.7 ft (2.35 m)✓ 7.3 ft (2.23 m)
Baggage volume 127 cuft (3.6 m3) 169 cuft (4.79 m3)✓
Powerplant Honeywell TFE731-60 Rolls-Royce Tay 611-8
Engines 3 count 2 count
Thrust per engine 5,000 lbf 13,850 lbf

Highlighted cells mark the stronger value per row (direction is per-metric). Route capability is estimated from published range; figures are not booking prices.

On a real route

Atlanta – Olbia (SS) — 4,272 nm. Only the Dassault Falcon 900LX makes this nonstop (estimate).

See the route →