Aircraft comparison

Bombardier Challenger 605 vs Gulfstream G450

Summary
The Bombardier Challenger 605 and the Gulfstream G450 are two heavy jets, compared here on the specifications that matter. On the numbers, the Gulfstream G450 flies farther (4,350 vs 4,000 nm); the Gulfstream G450 carries more (16 vs 12 pax); the Gulfstream G450 is faster (488 vs 470 kt).
Specification Challenger 605 G450
Range 4,000 nm (7,408 km) 4,350 nm (8,056.2 km)
Max cruise speed 470 kt (870.4 km/h) 488 kt (903.8 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) 74,000 lb (33,565.8 kg)
Typical passengers 10 count 14 count
Max passengers 12 count 16 count
Cabin length 28.3 ft (8.63 m) 45.1 ft (13.75 m)
Cabin height 6.1 ft (1.86 m) 6.2 ft (1.89 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 611-8C
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.