Beechcraft King Air 360 Er vs Bell 525 Relentless vs Gulfstream G700 vs Piaggio Avanti Evo
The Beechcraft King Air 360ER is a twin‑turboprop business aircraft suited to short/medium missions and smaller airports; it typically carries about 6–9 passengers and offers long turboprop endurance, with range commonly cited around 1,500–1,800 nautical miles depending on load and reserves. The Bell 525 Relentless is a fly‑by‑wire, super‑medium helicopter aimed at point‑to‑point vertical access; it generally seats about 12–16 passengers in an offshore-style layout and has a range on the order of 500–600 nautical miles. The Gulfstream G700 is an ultra‑long‑range business jet optimized for intercontinental travel; it typically carries 12–19 passengers and is advertised at roughly 7,500 nautical miles range. The Piaggio Avanti EVO is a high‑speed twin‑turboprop business aircraft positioned between traditional turboprops and light jets; it commonly seats 6–8 (up to about 9) and offers range roughly around 1,500–1,800 nautical miles, mission dependent.
| Spec | Bell 525 Relentless | Gulfstream G700 | Piaggio Avanti EVO |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 3 | 2 |
| Min Crew | 2 | 4 | 1 |
| Total Seats | 18 | 16 | 8 |
| Flight Rules | IFR | — | IFR |
| Manufacturer | Bell | Gulfstream | Piaggio |
| Aircraft Name | 525 Relentless | G700 | Avanti EVO |
| Certification | FAA / EASA | In Development | FAA / EASA |
| Max Range (nm) | 580 | 7500 | 1530 |
| Max Cabin Seats | 16 | 19 | 7 |
| OEM Verification | VERIFIED | Un-Verified | Un-Verified |
| Useful Load (lbs) | 6675 | — | 3775 |
| Standard Cabin Seats | 16 | 12 | 6 |
| Flight Deck (Base Spec) | Garmin G5000H | Gulfstream Symmetry Flight Deck | Rockwell Collins Pro Line 21 |
| Max Cruise Speed (ktas) | 160 | 516 | 400 |
| Base Aircraft Price (USD) | $15,000,000 | $78,000,000 | $ 7,695,000 |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 4 | 1 |
| Total Seats | 18 | 16 | 8 |
| Max Cabin Seats | 16 | 19 | 7 |
| Standard Cabin Seats | 16 | 12 | 6 |
| Crew Rest | — | Optional | — |
| Jump Seat | — | Yes | — |
| Galley Location | — | FWD | — |
| Lavatory Location | — | FWD / AFT | — |
| Lavatory | — | — | No |
| Cabin Pressure (psi) | — | — | 9 |
| Galley / Refreshment | — | — | No |
| SL Cabin Altitude (ft) | — | — | 24000 |
| Max Cabin Altitude (ft) | — | — | 6600 |
| Engine | |||
| FADEC | Dual-Channel | — | Yes |
| Model | CT7-2F1 | Pearl 700 | PT6A–66B |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | On Condition | 3600 |
| Horsepower | 1800 | — | 850 |
| No. of Engines | 2 | 2 | 2 |
| Fuel Capacity (gal) | 641 | — | — |
| Thrust (lbs) | — | 18250 | — |
| Flat Rating | — | — | ISA + 28 |
| Fuel Burn (gph) | — | — | 100 |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 109.9 | 47.3 |
| Cabin Width (ft) | 7.58 | 8.2 | 6.1 |
| Cabin Height (ft) | 4.5 | 6.25 | 5.8 |
| Cabin Length (ft) | 15.5 | 56.9 | 14.9 |
| Overall Height (ft) | 18.18 | 25.4 | 13.1 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | — | — |
| Wingspan (ft) | — | 103 | 47.1 |
| Aisle Step (ft) | — | Flat Floor | — |
| Baggage Volume Int. (cu. ft) | — | 195 | 35.2 |
| Cabin Width - Floor (ft) | — | — | 3.5 |