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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.

SpecBeechcraft King Air 360Gulfstream G600Gulfstream G650ERPiper M600 SLS
Summary
Cockpit2222
DOC / nm$ 4.20$ 9.28$ 9.39$ 2.19
Min Crew1441
Total Seats1012146
Flight RulesIFRIFR
ManufacturerBeechcraftGulfstreamGulfstreamPiper
Aircraft NameKingAir 350iG600G650ERM600
CertificationFAA / EASAFAAFAA / EASAFAA / EASA
Max Range (nm)1560650075001406
DOC / nm / Seat$ 0.53$ 0.93$ 0.78$ 0.55
Max Cabin Seats91919
OEM VerificationVERIFIEDUn-VerifiedUn-VerifiedVERIFIED
Useful Load (lbs)514540560495002200
Standard Cabin Seats810124
Direct Operating Cost$ 1,311$ 4,789$ 4,844$ 603
Flight Deck (Base Spec)Rockwell Collins Pro Line FusionGulfstream Symmetry Flight DeckGulfstream PlaneView II (Primus Epic)Garmin G3000
Max Cruise Speed (ktas)312516516274
Base Aircraft Price (USD)$7,650,000$58,500,000$60,000,000$3,081,400
Cabin
Cockpit2222
LavatoryOptional2 Enclosed Flushing2 Enclosed FlushingNo
Min Crew1441
Total Seats1012145
Galley LocationFWDFWDFWDMID
Max Cabin Seats91919
Lavatory LocationAFTFWD / AFTFWD / AFT
Cabin Pressure (psi)6.510.710.75.6
Galley / RefreshmentOptionalGalleyGalleyRefreshment Centre
Standard Cabin Seats810124
Crew RestYesYes
Jump SeatYesYes
SL Cabin Altitude (ft)319003190012600
Max Cabin Altitude (ft)8644
Engine
FADECYesYesYesNo
ModelPT6A-60APW815GABR725 A1-12PT6A-42A
TBO (hrs)360010000On-Condition3600
Horsepower1050600
Flat RatingISA + 10ISA + 15ISA + 15ISA + 55
No. of Engines1221
Fuel Capacity (gal)539260
Thrust (lbs)1568016900
Dimensions
Length (ft)46.796.199.829.7
Wingspan (ft)57.994.199.643.2
Cabin Width (ft)4.57.68.24.1
Cabin Height (ft)4.86.46.54
Cabin Length (ft)19.545.246.912.3
Overall Height (ft)14.425.325.711.3
Cabin Width - Floor (ft)4.16.16.7
Cabin Length - Seating (ft)19.530.232.7
Baggage Volume Int. (cu. ft)7123023520
Aisle Step (ft)Flat FloorFlat Floor
Cabin Volume (cu. ft)165