Compare Bell 525 Relentless vs Sikorsky S-76D
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| Manufacturer | Bell | Sikorsky |
| Aircraft Type | 525 Relentless | S-76D |
| Base Aircraft Price (USD) | $15,000,000 | $14,900,000 |
| Direct Operating Cost | - | $ 1,781 |
| DOC / nm | - | $ 11.49 |
| DOC / nm / Seat | - | $ 0.96 |
| Max Cruise Speed (ktas) | 160 | 155 |
| Max Range (nm) | 580 | 441 |
| Useful Load (lbs) | 6675 | - |
| Total Seats | 18 | 12 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 16 | 10 |
| Max Cabin Seats | 16 | 10 |
| Min Crew | 2 | 2 |
| Flight Deck (Base Spec) | Garmin G5000H | Thales TopDeck |
| Flight Rules | IFR | IFR |
| Certification | FAA / EASA | FAA / EASA |
| OEM Verification | VERIFIED | Un-Verified |
| Weights | ||
| MTOW (lbs) | 20500 | 11700 |
| MTOW External Load (lbs) | 21500 | - |
| Max External Load (lbs) | 7000 | - |
| BEW (lbs) | 13825 | - |
| Useful Load (lbs) | 6675 | - |
| Fuel Capacity (lbs) | 4294.7 | 296 |
| Useful Load Max Fuel (lbs) | 2380 | - |
| Dimensions | ||
| Rotor Diameter (ft) | 54.5 | 44 |
| Width (ft) | 25.77 | - |
| Overall Height (ft) | 18.18 | 14.5 |
| Length (ft) | 61.58 | 52.5 |
| Cabin Height (ft) | 4.5 | - |
| Cabin Width (ft) | 7.58 | - |
| Cabin Length (ft) | 15.5 | - |
| Baggage Volume Ext. (cu. ft) | 128 | - |
| Engine | ||
| No. of Engines | 2 | 1 |
| Manufacturer | Bell | Sikorsky |
| Model | CT7-2F1 | PW210S |
| Horsepower | 1800 | 1077 |
| FADEC | Dual-Channel | Yes |
| TBO (hrs) | 4000 | 4000 |
| Fuel Type | JetFuel | JetFuel |
| Fuel Capacity (gal) | 641 | 296 |
| Avionics | ||
| Flight Deck | Garmin G5000H | Thales TopDeck |
| Flight Rules | IFR | IFR |
| FMS | 2 | 1 |
| Autopilot | 1 x 4-Axis | 1 |
| PFD | 2 | 2 |
| MFD | 2 | 2 |
| GPS | 2 | 1 |
| AHRS | 3 | - |
| Flight Director | 3 | - |
| ADC | 3 | - |
| Transponder | 2 | 1 |
| VHF Com | 2 | 1 |
| VHF NAV | 2 | 1 |
| Cabin | ||
| Total Seats | 18 | 12 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 16 | 10 |
| Max Cabin Seats | 16 | 10 |
| Min Crew | 2 | 2 |
| Other | ||
| Gear Type | Retractable Wheel | High Skids |
| Rotorhead | 5-Blade Articulated | 4-Blade Articulated |
| Tail Rotor | 4-Blade | 4-Blade |
| Warranty | ||
| Pilot Training Credits | 1 | - |
| MTX Training Credits | 1 | - |
| Airframe (Yrs) | 3 | - |
| Airframe (Hrs) | 1000 | - |
| Engine (Hrs) | 1000 | - |
| Performance | ||
| Max Cruise Speed (ktas) | 160 | 155 |
| Long Range Cruise (ktas) | 145 | 155 |
| Max Speed (Vne) | 175 | - |
| Max Range (nm) | 580 | 441 |
| Range Seats Full (nm) | 560 | 441 |
| Service Ceiling (ft) | 12000 | - |
| Hover IGE (ft) | 10700 | - |
| Hover OGE (ft) | 8100 | - |