Aircraft comparison

Bombardier Challenger 605 vs Gulfstream IV-SP (GIV-SP)

Summary
The Bombardier Challenger 605 and the Gulfstream IV-SP (GIV-SP) are two heavy jets, compared here on the specifications that matter. On the numbers, the Gulfstream IV-SP (GIV-SP) flies farther (4,220 vs 4,000 nm); the Gulfstream IV-SP (GIV-SP) carries more (19 vs 12 pax); the Gulfstream IV-SP (GIV-SP) is faster (476 vs 470 kt).
Specification Challenger 605 Gulfstream IV-SP (GIV-SP)
Range 4,000 nm (7,408 km) 4,220 nm (7,815.4 km)
Max cruise speed 470 kt (870.4 km/h) 476 kt (881.6 km/h)
Max operating altitude 41,000 ft (12,496.8 m) 45,000 ft (13,716 m)
Max takeoff weight 48,200 lb (21,863.1 kg) 74,600 lb (33,838 kg)
Typical passengers 10 count 13 count
Max passengers 12 count 19 count
Cabin length 28.3 ft (8.63 m) 45.1 ft (13.75 m)
Cabin height 6.1 ft (1.86 m) 6.1 ft (1.86 m)
Cabin width 8.2 ft (2.5 m) 7.3 ft (2.23 m)
Baggage volume 115 cuft (3.26 m3) 169 cuft (4.79 m3)
Powerplant General Electric CF34-3B Rolls-Royce Tay 611-8
Engines 2 count 2 count
Thrust per engine 9,220 lbf 13,850 lbf

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