Beechcraft King Air 360 vs Gulfstream G600 vs Gulfstream G650er vs Gulfstream G750 vs Piper M600 Sls
The Beechcraft King Air 360 and Piper M600 SLS are turboprops aimed at shorter missions and smaller groups, while the Gulfstream G600, G650ER, and G750 are long-range business jets designed for intercontinental travel with larger cabins. The King Air 360 typically serves regional trips with roughly 1,500–1,800 nm range and commonly carries about 6–9 passengers. The Piper M600 SLS is a single‑engine turboprop for owner-operators, generally around 1,400–1,600 nm range with about 4–6 passengers in typical executive seating. In the jet category, the Gulfstream G600 is a large-cabin, long-range aircraft at about 6,600 nm, usually configured for roughly 12–16 passengers. The Gulfstream G650ER is an ultra-long-range flagship with about 7,500 nm range and commonly 12–18 passengers. The Gulfstream G750 is Gulfstream’s newest ultra-long-range model, about 7,700 nm, with typical seating around 12–19 passengers, emphasizing the most cabin space and newest avionics among the Gulfstreams listed.
| Spec | Beechcraft King Air 360 | Gulfstream G600 | Gulfstream G650ER | Piper M600 SLS |
|---|---|---|---|---|
| Summary | ||||
| Cockpit | 2 | 2 | 2 | 2 |
| DOC / nm | $ 4.20 | $ 9.28 | $ 9.39 | $ 2.19 |
| Min Crew | 1 | 4 | 4 | 1 |
| Total Seats | 10 | 12 | 14 | 6 |
| Flight Rules | IFR | — | — | IFR |
| Manufacturer | Beechcraft | Gulfstream | Gulfstream | Piper |
| Aircraft Name | KingAir 350i | G600 | G650ER | M600 |
| Certification | FAA / EASA | FAA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 1560 | 6500 | 7500 | 1406 |
| DOC / nm / Seat | $ 0.53 | $ 0.93 | $ 0.78 | $ 0.55 |
| Max Cabin Seats | 9 | 19 | 19 | — |
| OEM Verification | VERIFIED | Un-Verified | Un-Verified | VERIFIED |
| Useful Load (lbs) | 5145 | 40560 | 49500 | 2200 |
| Standard Cabin Seats | 8 | 10 | 12 | 4 |
| Direct Operating Cost | $ 1,311 | $ 4,789 | $ 4,844 | $ 603 |
| Flight Deck (Base Spec) | Rockwell Collins Pro Line Fusion | Gulfstream Symmetry Flight Deck | Gulfstream PlaneView II (Primus Epic) | Garmin G3000 |
| Max Cruise Speed (ktas) | 312 | 516 | 516 | 274 |
| Base Aircraft Price (USD) | $7,650,000 | $58,500,000 | $60,000,000 | $3,081,400 |
| Cabin | ||||
| Cockpit | 2 | 2 | 2 | 2 |
| Lavatory | Optional | 2 Enclosed Flushing | 2 Enclosed Flushing | No |
| Min Crew | 1 | 4 | 4 | 1 |
| Total Seats | 10 | 12 | 14 | 5 |
| Galley Location | FWD | FWD | FWD | MID |
| Max Cabin Seats | 9 | 19 | 19 | — |
| Lavatory Location | AFT | FWD / AFT | FWD / AFT | — |
| Cabin Pressure (psi) | 6.5 | 10.7 | 10.7 | 5.6 |
| Galley / Refreshment | Optional | Galley | Galley | Refreshment Centre |
| Standard Cabin Seats | 8 | 10 | 12 | 4 |
| Crew Rest | — | Yes | Yes | — |
| Jump Seat | — | Yes | Yes | — |
| SL Cabin Altitude (ft) | — | 31900 | 31900 | 12600 |
| Max Cabin Altitude (ft) | — | — | — | 8644 |
| Engine | ||||
| FADEC | Yes | Yes | Yes | No |
| Model | PT6A-60A | PW815GA | BR725 A1-12 | PT6A-42A |
| TBO (hrs) | 3600 | 10000 | On-Condition | 3600 |
| Horsepower | 1050 | — | — | 600 |
| Flat Rating | ISA + 10 | ISA + 15 | ISA + 15 | ISA + 55 |
| No. of Engines | 1 | 2 | 2 | 1 |
| Fuel Capacity (gal) | 539 | — | — | 260 |
| Thrust (lbs) | — | 15680 | 16900 | — |
| Dimensions | ||||
| Length (ft) | 46.7 | 96.1 | 99.8 | 29.7 |
| Wingspan (ft) | 57.9 | 94.1 | 99.6 | 43.2 |
| Cabin Width (ft) | 4.5 | 7.6 | 8.2 | 4.1 |
| Cabin Height (ft) | 4.8 | 6.4 | 6.5 | 4 |
| Cabin Length (ft) | 19.5 | 45.2 | 46.9 | 12.3 |
| Overall Height (ft) | 14.4 | 25.3 | 25.7 | 11.3 |
| Cabin Width - Floor (ft) | 4.1 | 6.1 | 6.7 | — |
| Cabin Length - Seating (ft) | 19.5 | 30.2 | 32.7 | — |
| Baggage Volume Int. (cu. ft) | 71 | 230 | 235 | 20 |
| Aisle Step (ft) | — | Flat Floor | Flat Floor | — |
| Cabin Volume (cu. ft) | — | — | — | 165 |