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Beechcraft King Air 360 Er vs Bell 525 Relentless vs Embraer Legacy 650 E vs Piaggio Avanti Evo

The Beechcraft King Air 360ER is a pressurized twin‑turboprop business aircraft suited to short and remote-field operations; it typically carries about 6–9 passengers and offers roughly 1,800–2,000 nautical miles of range depending on payload and conditions. The Bell 525 Relentless is a fly‑by‑wire super‑medium helicopter aimed at point‑to‑point missions without runways; it generally accommodates around 12–16 passengers (configuration dependent) and delivers about 500–600 nautical miles of range. The Embraer Legacy 650E is a long‑range large‑cabin business jet designed for intercontinental comfort; it commonly seats 13 passengers and is known for about 3,900 nautical miles of range. The Piaggio Avanti EVO is a high‑speed twin‑turboprop with a distinctive pusher design, positioned as a fast, efficient alternative to light jets; it typically carries 7–9 passengers and offers approximately 1,400–1,800 nautical miles of range depending on load and profiles. Overall, the Legacy 650E leads on range and cabin size, the 360ER and Avanti EVO balance efficiency with runway access, and the Bell 525 trades range for vertical access and flexibility.

SpecBell 525 RelentlessPiaggio Avanti EVO
Summary
Cockpit22
Min Crew21
Total Seats188
Flight RulesIFRIFR
ManufacturerBellPiaggio
Aircraft Name525 RelentlessAvanti EVO
CertificationFAA / EASAFAA / EASA
Max Range (nm)5801530
Max Cabin Seats167
OEM VerificationVERIFIEDUn-Verified
Useful Load (lbs)66753775
Standard Cabin Seats166
Flight Deck (Base Spec)Garmin G5000HRockwell Collins Pro Line 21
Max Cruise Speed (ktas)160400
Base Aircraft Price (USD)$15,000,000$ 7,695,000
Cabin
Cockpit22
Min Crew21
Total Seats188
Max Cabin Seats167
Standard Cabin Seats166
LavatoryNo
Cabin Pressure (psi)9
Galley / RefreshmentNo
SL Cabin Altitude (ft)24000
Max Cabin Altitude (ft)6600
Engine
FADECDual-ChannelYes
ModelCT7-2F1PT6A–66B
Fuel TypeJetFuel
TBO (hrs)40003600
Horsepower1800850
No. of Engines22
Fuel Capacity (gal)641
Flat RatingISA + 28
Fuel Burn (gph)100
Dimensions
Width (ft)25.77
Length (ft)61.5847.3
Cabin Width (ft)7.586.1
Cabin Height (ft)4.55.8
Cabin Length (ft)15.514.9
Overall Height (ft)18.1813.1
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)47.1
Cabin Width - Floor (ft)3.5
Baggage Volume Int. (cu. ft)35.2