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Bell 525 Relentless vs Cessna Citation Xls vs Gulfstream G700 vs Piaggio Avanti Evo

The Bell 525 Relentless is a super‑medium helicopter, optimized for vertical access and point‑to‑point missions rather than long cruise legs. It typically carries around 12–16 passengers depending on layout, with range generally in the high‑400 to mid‑500 nautical mile class, making it well suited to offshore, remote-site, or downtown-to-downtown travel where runways aren’t available. The Cessna Citation XLS+ is a midsize business jet aimed at efficient regional and transcontinental segments, seating about 7–9 passengers in typical executive configurations, with roughly a 2,000‑nautical‑mile range class. The Gulfstream G700 is an ultra‑long‑range large‑cabin business jet, designed for global nonstop travel and maximum cabin volume. It commonly seats 12–19 passengers (higher with dense layouts) and offers approximately 7,000+ nautical miles of range, enabling many intercontinental city pairs. The Piaggio Avanti EVO is a high‑speed turboprop, positioned between light jets and traditional turboprops for speed and operating economics. It typically seats 6–9 passengers and offers about 1,400–1,800 nautical miles of range, depending on reserves and mission profile.

SpecBell 525 RelentlessCessna Citation XLS+Gulfstream G700Piaggio Avanti EVO
Summary
Cockpit2232
Min Crew2241
Total Seats1810168
Flight RulesIFR——IFR
ManufacturerBellCessna CitationGulfstreamPiaggio
Aircraft Name525 RelentlessXLS+G700Avanti EVO
CertificationFAA / EASAFAA / EASAIn DevelopmentFAA / EASA
Max Range (nm)580190675001530
Max Cabin Seats169197
OEM VerificationVERIFIEDVERIFIEDUn-VerifiedUn-Verified
Useful Load (lbs)66757540—3775
Standard Cabin Seats168126
Flight Deck (Base Spec)Garmin G5000HRockwell Collins Pro Line 21Gulfstream Symmetry Flight DeckRockwell Collins Pro Line 21
Max Cruise Speed (ktas)160430516400
Base Aircraft Price (USD)$15,000,000$15,500,000$78,000,000$ 7,695,000
DOC / nm—$ 5.34——
DOC / nm / Seat—$ 0.67——
Direct Operating Cost—$ 2,303——
Cabin
Cockpit2222
Min Crew2241
Total Seats1810168
Max Cabin Seats169197
Standard Cabin Seats168126
Lavatory—1 Enclosed Belted Flushing—No
Crew Rest—NoOptional—
Jump Seat—NoYes—
Galley Location—FWDFWD—
Lavatory Location—AFTFWD / AFT—
Cabin Pressure (psi)—9.3—9
Galley / Refreshment—Galley—No
SL Cabin Altitude (ft)—25230—24000
Max Cabin Altitude (ft)———6600
Engine
FADECDual-ChannelYes—Yes
ModelCT7-2F1PW545CPearl 700PT6A–66B
Fuel TypeJetFuel———
TBO (hrs)40005000On Condition3600
Horsepower1800——850
No. of Engines2222
Fuel Capacity (gal)641———
Flat Rating—ISA + 10—ISA + 28
Thrust (lbs)—411918250—
Fuel Burn (gph)———100
Dimensions
Width (ft)25.77———
Length (ft)61.5852.5109.947.3
Cabin Width (ft)7.585.58.26.1
Cabin Height (ft)4.55.76.255.8
Cabin Length (ft)15.518.556.914.9
Overall Height (ft)18.1817.225.413.1
Rotor Diameter (ft)54.5———
Baggage Volume Ext. (cu. ft)12880——
Wingspan (ft)—56.310347.1
Aisle Step (ft)—0.7Flat Floor—
Cabin Width - Floor (ft)—3.9—3.5
Cabin Length - Seating (ft)—14.3——
Baggage Volume Int. (cu. ft)—1019535.2