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Bell 525 Relentless vs Cessna Citation Xls vs Gulfstream G700 vs Piper M600 Sls

The Bell 525 Relentless is a fly-by-wire, twin‑engine helicopter aimed at offshore and corporate transport. It typically carries around a dozen-plus occupants in high-density layouts and offers a practical range on the order of roughly 500–600 nautical miles, optimized for point-to-point flexibility rather than long nonstop trips. The Cessna Citation XLS+ is a midsize business jet suited to regional missions. It commonly seats about 8–9 passengers in executive configuration and can fly roughly 2,000–2,100 nautical miles, balancing runway flexibility with efficient short-to-medium range travel. The Gulfstream G700 is an ultra-long-range, large-cabin flagship business jet designed for intercontinental flying. It generally accommodates around 13–19 passengers depending on layout and delivers approximately 7,500 nautical miles of range, prioritizing nonstop global city pairs and maximum cabin space. The Piper M600 SLS is a single‑engine turboprop, positioned as a high-performance personal/business aircraft. It typically carries 4–6 passengers plus a pilot and has a range around 1,400–1,600 nautical miles, offering lower operating complexity than jets while remaining faster and longer-legged than most piston aircraft.

SpecBell 525 RelentlessCessna Citation XLS+Gulfstream G700Piper M600 SLS
Summary
Cockpit2232
Min Crew2241
Total Seats1810166
Flight RulesIFRIFR
ManufacturerBellCessna CitationGulfstreamPiper
Aircraft Name525 RelentlessXLS+G700M600
CertificationFAA / EASAFAA / EASAIn DevelopmentFAA / EASA
Max Range (nm)580190675001406
Max Cabin Seats16919
OEM VerificationVERIFIEDVERIFIEDUn-VerifiedVERIFIED
Useful Load (lbs)667575402200
Standard Cabin Seats168124
Flight Deck (Base Spec)Garmin G5000HRockwell Collins Pro Line 21Gulfstream Symmetry Flight DeckGarmin G3000
Max Cruise Speed (ktas)160430516274
Base Aircraft Price (USD)$15,000,000$15,500,000$78,000,000$3,081,400
DOC / nm$ 5.34$ 2.19
DOC / nm / Seat$ 0.67$ 0.55
Direct Operating Cost$ 2,303$ 603
Cabin
Cockpit2222
Min Crew2241
Total Seats1810165
Max Cabin Seats16919
Standard Cabin Seats168124
Lavatory1 Enclosed Belted FlushingNo
Crew RestNoOptional
Jump SeatNoYes
Galley LocationFWDFWDMID
Lavatory LocationAFTFWD / AFT
Cabin Pressure (psi)9.35.6
Galley / RefreshmentGalleyRefreshment Centre
SL Cabin Altitude (ft)2523012600
Max Cabin Altitude (ft)8644
Engine
FADECDual-ChannelYesNo
ModelCT7-2F1PW545CPearl 700PT6A-42A
Fuel TypeJetFuel
TBO (hrs)40005000On Condition3600
Horsepower1800600
No. of Engines2221
Fuel Capacity (gal)641260
Flat RatingISA + 10ISA + 55
Thrust (lbs)411918250
Dimensions
Width (ft)25.77
Length (ft)61.5852.5109.929.7
Cabin Width (ft)7.585.58.24.1
Cabin Height (ft)4.55.76.254
Cabin Length (ft)15.518.556.912.3
Overall Height (ft)18.1817.225.411.3
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)12880
Wingspan (ft)56.310343.2
Aisle Step (ft)0.7Flat Floor
Cabin Width - Floor (ft)3.9
Cabin Length - Seating (ft)14.3
Baggage Volume Int. (cu. ft)1019520
Cabin Volume (cu. ft)165