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Bell 525 Relentless vs Cessna Citation Xls vs Dassault Falcon 8x vs Piaggio Avanti Evo

The Bell 525 Relentless is a fly-by-wire, twin‑engine helicopter rather than a fixed‑wing business aircraft, so it fits a different mission profile: point‑to‑point access to helipads and confined areas, with a typical range on the order of roughly 500–600 nautical miles and seating commonly around 10–16 depending on configuration. The Cessna Citation XLS+ is a super‑midsize business jet aimed at efficient short‑to‑medium routes, offering about 1,800–2,100 nautical miles of range and typically seating 8–9 passengers in a standard executive layout. The Dassault Falcon 8X is an ultra‑long‑range large‑cabin jet designed for intercontinental flying, with roughly 6,400 nautical miles of range and typical seating around 12–16 (with higher‑density options possible). The Piaggio Avanti EVO is a high‑speed twin‑turboprop business aircraft that bridges jet and turboprop use cases, usually carrying 6–8 passengers with about 1,400–1,800 nautical miles of range, emphasizing efficiency and runway flexibility over maximum range.

SpecBell 525 RelentlessCessna Citation XLS+Dassault Falcon 8XPiaggio Avanti EVO
Summary
Cockpit2222
Min Crew2221
Total Seats1810178
Flight RulesIFRIFR
ManufacturerBellCessna CitationDassault FalconPiaggio
Aircraft Name525 RelentlessXLS+8XAvanti EVO
CertificationFAA / EASAFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)580190664501530
Max Cabin Seats169167
OEM VerificationVERIFIEDVERIFIEDVERIFIEDUn-Verified
Useful Load (lbs)66757540369003775
Standard Cabin Seats168146
Flight Deck (Base Spec)Garmin G5000HRockwell Collins Pro Line 21Honeywell Primus EASy IIRockwell Collins Pro Line 21
Max Cruise Speed (ktas)160430516400
Base Aircraft Price (USD)$15,000,000$15,500,000$ 62,500,000$ 7,695,000
DOC / nm$ 5.34$ 7.66
DOC / nm / Seat$ 0.67$ 0.64
Direct Operating Cost$ 2,303$ 3,805
Cabin
Cockpit2232
Min Crew2221
Total Seats1810178
Max Cabin Seats169167
Standard Cabin Seats168146
Lavatory1 Enclosed Belted Flushing2 Enclosed FlushingNo
Crew RestNoNo
Jump SeatNoYes
Galley LocationFWDFWD
Lavatory LocationAFTFWD / AFT
Cabin Pressure (psi)9.310.29
Galley / RefreshmentGalleyGalleyNo
SL Cabin Altitude (ft)252302920024000
Max Cabin Altitude (ft)39006600
Engine
FADECDual-ChannelYesYesYes
ModelCT7-2F1PW545CPW307DPT6A–66B
Fuel TypeJetFuel
TBO (hrs)40005000On-Condition3600
Horsepower1800850
No. of Engines2232
Fuel Capacity (gal)641
Flat RatingISA + 10ISA + 17ISA + 28
Thrust (lbs)41196722
Fuel Burn (gph)100
Dimensions
Width (ft)25.77
Length (ft)61.5852.580.247.3
Cabin Width (ft)7.585.57.76.1
Cabin Height (ft)4.55.76.25.8
Cabin Length (ft)15.518.542.714.9
Overall Height (ft)18.1817.226.113.1
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)12880
Wingspan (ft)56.386.347.1
Aisle Step (ft)0.7
Cabin Width - Floor (ft)3.96.33.5
Cabin Length - Seating (ft)14.329.2
Baggage Volume Int. (cu. ft)1014035.2
Cabin Volume (cu. ft)1695