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Bell 525 Relentless vs Cessna 208b Grand Caravan Ex vs Embraer Legacy 650 E vs Piaggio Avanti Evo

The Bell 525 Relentless is a fly-by-wire, super‑medium helicopter aimed at offshore and corporate transport, trading speed and range for vertical access; it typically carries around 16 passengers with a range on the order of roughly 500–600 nautical miles depending on payload and reserves. The Cessna 208B Grand Caravan EX is a single‑engine utility turboprop optimized for rugged, short-field regional work; it commonly seats 9–14 passengers (or mixes cargo) with a typical range around 900–1,000 nautical miles. The Embraer Legacy 650E is a large‑cabin long‑range business jet designed for intercontinental missions, generally accommodating 13–14 passengers in executive layouts and offering about 3,900 nautical miles of range. The Piaggio Avanti EVO is a high-speed twin turboprop business aircraft bridging turboprop efficiency and light‑jet cruise performance; it usually seats 7–9 passengers with a range around 1,700–1,800 nautical miles. Overall, the Legacy 650E leads on range and cabin size, the Avanti balances speed and efficiency, the Caravan prioritizes utility, and the Bell 525 prioritizes access.

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