Falcon 2000LX for sale / Range: about 4,100 nm / Passengers: 8 to 10.
The Falcon has a longer cabin, but the Challenger 605 is wider and has more cabin volume. The Falcon is attractive for fuel efficiency and cabin length; the 605 for cabin width and space.
Legacy 600 for sale - the long-cabin option / Range: around 3,400 nm / Passengers: up to 13.
The Legacy has a much longer cabin and more interior volume. The Challenger gives you more range, with about 4,047 nm in comparative data.
Gulfstream G350 for sale - the larger option / Range: around 3,680 nm / Passengers: up to 16.
The G350 has a much longer cabin and is better suited to larger groups. The 605 is the smaller aircraft for buyers who usually fly with fewer passengers.
Gulfstream G450 for sale - more range and space / Range: up to about 4,344 nm / Passengers: up to 16.
The G450 brings a larger cabin, more baggage space and greater range. The 605 is easier to justify when the mission is closer to eight to ten passengers.
Falcon 900LX for sale - the longer-range alternative / Range: around 4,700 nm / Passengers: 12 to 14.
The Falcon 900LX gives you more range and a larger cabin, but it is also a bigger three-engine aircraft. If 4,000 nm is enough, the 605 keeps the mission simpler.