Beechcraft King Air 360 Er vs Bell 525 Relentless vs Cessna Citation Xls vs Piaggio Avanti Evo
The Beechcraft King Air 360ER is a pressurized twin‑turboprop positioned as a rugged, short‑to‑midrange business and utility aircraft. It typically seats about 6 to 9 passengers depending on layout, and its standout trait is endurance: with auxiliary fuel it reaches roughly 2,000 nautical miles, making it strong for long legs into shorter or less‑developed runways. The Bell 525 Relentless is a super‑medium helicopter aimed at offshore, corporate, and high‑end utility missions. Cabin configurations commonly accommodate around 12 to 16 passengers, with range in the neighborhood of about 500 to 600 nautical miles, trading speed and distance for point‑to‑point vertical access. The Cessna Citation XLS+ is a light business jet optimized for fast regional travel. Typical capacity is about 7 to 9 passengers, with range around 2,100 nautical miles, offering higher cruise speed and altitude than turboprops. The Piaggio Avanti EVO is a high‑speed twin‑turboprop bridging turboprop economy with near‑light‑jet cruise. It generally carries about 6 to 9 passengers and flies roughly 1,700 to 1,800 nautical miles.
| Spec | Bell 525 Relentless | Cessna Citation XLS+ | Piaggio Avanti EVO |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 2 | 1 |
| Total Seats | 18 | 10 | 8 |
| Flight Rules | IFR | — | IFR |
| Manufacturer | Bell | Cessna Citation | Piaggio |
| Aircraft Name | 525 Relentless | XLS+ | Avanti EVO |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 580 | 1906 | 1530 |
| Max Cabin Seats | 16 | 9 | 7 |
| OEM Verification | VERIFIED | VERIFIED | Un-Verified |
| Useful Load (lbs) | 6675 | 7540 | 3775 |
| Standard Cabin Seats | 16 | 8 | 6 |
| Flight Deck (Base Spec) | Garmin G5000H | Rockwell Collins Pro Line 21 | Rockwell Collins Pro Line 21 |
| Max Cruise Speed (ktas) | 160 | 430 | 400 |
| Base Aircraft Price (USD) | $15,000,000 | $15,500,000 | $ 7,695,000 |
| DOC / nm | — | $ 5.34 | — |
| DOC / nm / Seat | — | $ 0.67 | — |
| Direct Operating Cost | — | $ 2,303 | — |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Min Crew | 2 | 2 | 1 |
| Total Seats | 18 | 10 | 8 |
| Max Cabin Seats | 16 | 9 | 7 |
| Standard Cabin Seats | 16 | 8 | 6 |
| Lavatory | — | 1 Enclosed Belted Flushing | No |
| Crew Rest | — | No | — |
| Jump Seat | — | No | — |
| Galley Location | — | FWD | — |
| Lavatory Location | — | AFT | — |
| Cabin Pressure (psi) | — | 9.3 | 9 |
| Galley / Refreshment | — | Galley | No |
| SL Cabin Altitude (ft) | — | 25230 | 24000 |
| Max Cabin Altitude (ft) | — | — | 6600 |
| Engine | |||
| FADEC | Dual-Channel | Yes | Yes |
| Model | CT7-2F1 | PW545C | PT6A–66B |
| Fuel Type | JetFuel | — | — |
| TBO (hrs) | 4000 | 5000 | 3600 |
| Horsepower | 1800 | — | 850 |
| No. of Engines | 2 | 2 | 2 |
| Fuel Capacity (gal) | 641 | — | — |
| Flat Rating | — | ISA + 10 | ISA + 28 |
| Thrust (lbs) | — | 4119 | — |
| Fuel Burn (gph) | — | — | 100 |
| Dimensions | |||
| Width (ft) | 25.77 | — | — |
| Length (ft) | 61.58 | 52.5 | 47.3 |
| Cabin Width (ft) | 7.58 | 5.5 | 6.1 |
| Cabin Height (ft) | 4.5 | 5.7 | 5.8 |
| Cabin Length (ft) | 15.5 | 18.5 | 14.9 |
| Overall Height (ft) | 18.18 | 17.2 | 13.1 |
| Rotor Diameter (ft) | 54.5 | — | — |
| Baggage Volume Ext. (cu. ft) | 128 | 80 | — |
| Wingspan (ft) | — | 56.3 | 47.1 |
| Aisle Step (ft) | — | 0.7 | — |
| Cabin Width - Floor (ft) | — | 3.9 | 3.5 |
| Cabin Length - Seating (ft) | — | 14.3 | — |
| Baggage Volume Int. (cu. ft) | — | 10 | 35.2 |