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Bell 525 Relentless vs Gulfstream G700 vs Robinson R66

The Bell 525 Relentless and Robinson R66 are helicopters, while the Gulfstream G700 is a long-range business jet, so they serve very different missions. The Gulfstream G700 sits in the large-cabin ultra-long-range jet category, designed for high-speed intercontinental travel; it offers roughly 7,500 nautical miles of range and typically accommodates around 12 to 19 passengers depending on cabin configuration. The Bell 525 is a “super-medium” twin-engine helicopter aimed at offshore, corporate, and utility roles; its range is roughly on the order of 500 nautical miles (mission-dependent) and seating is commonly around 16 to 20 passengers in high-density layouts, with fewer in executive interiors. The Robinson R66 is a light single-engine helicopter optimized for shorter hops and lower operating costs; it generally carries up to 5 people (including the pilot) and has a range on the order of 300 nautical miles. Overall, the G700 prioritizes distance and speed, the 525 balances payload and medium-range lift, and the R66 focuses on simple, short-range utility.

SpecBell 525 RelentlessGulfstream G700
Summary
Cockpit23
Min Crew24
Total Seats1816
Flight RulesIFR
ManufacturerBellGulfstream
Aircraft Name525 RelentlessG700
CertificationFAA / EASAIn Development
Max Range (nm)5807500
Max Cabin Seats1619
OEM VerificationVERIFIEDUn-Verified
Useful Load (lbs)6675
Standard Cabin Seats1612
Flight Deck (Base Spec)Garmin G5000HGulfstream Symmetry Flight Deck
Max Cruise Speed (ktas)160516
Base Aircraft Price (USD)$15,000,000$78,000,000
Cabin
Cockpit22
Min Crew24
Total Seats1816
Max Cabin Seats1619
Standard Cabin Seats1612
Crew RestOptional
Jump SeatYes
Galley LocationFWD
Lavatory LocationFWD / AFT
Engine
FADECDual-Channel
ModelCT7-2F1Pearl 700
Fuel TypeJetFuel
TBO (hrs)4000On Condition
Horsepower1800
No. of Engines22
Fuel Capacity (gal)641
Thrust (lbs)18250
Dimensions
Width (ft)25.77
Length (ft)61.58109.9
Cabin Width (ft)7.588.2
Cabin Height (ft)4.56.25
Cabin Length (ft)15.556.9
Overall Height (ft)18.1825.4
Rotor Diameter (ft)54.5
Baggage Volume Ext. (cu. ft)128
Wingspan (ft)103
Aisle Step (ft)Flat Floor
Baggage Volume Int. (cu. ft)195