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Beechcraft Baron G58 vs Beechcraft Bonanza G36 vs Piper M350 vs Piper Seneca

The Beechcraft Bonanza G36 and Piper M350 are high-performance, pressurized (M350) and unpressurized (G36) single‑engine piston aircraft, typically flown as premium personal and business transports. The Beechcraft Baron G58 and Piper Seneca are light twin‑engine pistons, generally chosen for added engine redundancy, multi‑engine training, and similar personal/business missions. In range, the Bonanza G36 and Baron G58 are broadly comparable cross‑country airplanes, with real-world trip lengths often in the same general bracket, while the pressurized M350 is commonly favored for longer legs because it’s designed to cruise efficiently at higher altitudes. The Seneca is also a capable cross‑country twin, but its typical mission profile often emphasizes flexibility and training as much as maximum legs. For passenger capacity, the Bonanza G36 commonly seats up to six, the Baron G58 up to six, the Piper Seneca typically seats six, and the Piper M350 is commonly arranged for about six as well, though payload with full fuel varies by aircraft and equipment.

SpecBeechcraft Baron G58Beechcraft Bonanza G36Piper M350Piper Seneca
Summary
Cockpit2222
DOC / nm$ 1.72$ 1.16$ 1.34$ 1.69
Total Seats6666
Flight RulesIFRVFRVFRIFR
ManufacturerBeechcraftBeechcraftPiperPiper
Aircraft NameBaron G58Bonanza G36M350Seneca
CertificationFAA / EASAFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)14809201343828
DOC / nm / Seat$ 0.29$ 0.19$ 0.22$ 0.28
OEM VerificationUn-VerifiedUn-VerifiedUn-VerifiedUn-Verified
Useful Load (lbs)1450105013081331
Standard Cabin Seats4444
Direct Operating Cost$ 347$ 204$ 285$ 337
Flight Deck (Base Spec)Garmin G1000 NXiGarmin G1000 NXiGarmin G1000 NXiGarmin G1000 NXi
Max Cruise Speed (ktas)202176213200
Base Aircraft Price (USD) $1,495,000 $925,000 $1,195,000 $1,095,000
Cabin
Cockpit2222
Total Seats6666
Standard Cabin Seats4444
Cabin Pressure (psi)5.6
Engine
FADECNoNoNoNo
ModelIO-550-CIO-550-BTIO-540-AE2ATSIO-360-RB
Fuel TypeAvGasAvGasAvGasAvGas
TBO (hrs)1700170020001800
TBO (yrs)121212
Horsepower300300350220
Fuel DeliveryFuel InjectedFuel InjectedFuel InjectedFuel Injected
No. of Engines2112
Fuel Capacity (gal)19474120122
Dimensions
Length (ft)29.927.52928.6
Wingspan (ft)37.933.54339
Cabin Width (ft)3.53.54.1
Cabin Height (ft)4.24.24
Cabin Length (ft)12.612.612.3
Overall Height (ft)9.88.611.410
Cabin Volume (cu. ft)150100165
Baggage Volume Int. (cu. ft)461020
Baggage Volume Ext. (cu. ft)13