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). Across 1038 benchmark city pairs in this database, the Gulfstream G450 reaches more nonstop (540 versus 499). On a route like London – Naples (3,897 nm), only the Gulfstream G450 makes it nonstop (estimated from published range).
Key differences
Range
350nm
8.0% · G450 ahead
Cruise speed
18kt
3.7% · G450 ahead
Cabin height
0.1ft
1.6% · G450 ahead
Max passengers
4
25.0% · G450 ahead
Nonstop reach
499 / 540
of 1038 benchmark routes
| 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). Route capability is estimated from published range; figures are not booking prices.
On a real route
London – Naples — 3,897 nm. Only the Gulfstream G450 makes this nonstop (estimate).
See the route →