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Beechcraft Baron G58 vs Beechcraft Bonanza G36 vs Diamond Aircraft Da42 Vi vs Piper M350

The Beechcraft Baron G58 is a piston twin aimed at owners who want redundancy and strong short-to-mid trip capability; it typically seats six and delivers a moderate range suited to regional missions. The Beechcraft Bonanza G36 is a high-performance single with similar six-seat capacity and a comparable or slightly better real-world range depending on loading, optimized for efficient personal travel with lower complexity than a twin. The Diamond DA42 VI is a modern, fuel-efficient twin (diesel/Jet-A) often configured for four adults plus baggage (with limited additional seating depending on options); it generally offers long legs at lower fuel burn, making it attractive for training, surveillance, and economical cross-country flying, though with less cabin volume than the Beechcraft six-seaters. The Piper M350 is a pressurized, high-end single designed for comfortable, higher-altitude travel; it seats six and typically provides the longest range of this group, pairing speed and weather flexibility with single-engine simplicity. Overall, the Baron emphasizes twin-engine capability, the Bonanza balances speed and simplicity, the DA42 prioritizes efficiency, and the M350 targets pressurized, longer-range travel.

SpecBeechcraft Baron G58Beechcraft Bonanza G36Diamond Aircraft DA42 VIPiper M350
Summary
Cockpit222
DOC / nm$ 1.72$ 1.16$ 1.11$ 1.34
Total Seats6646
Flight RulesIFRVFRIFRVFR
ManufacturerBeechcraftBeechcraftDiamond AircraftPiper
Aircraft NameBaron G58Bonanza G36DA42 VIM350
CertificationFAA / EASAFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)148092012731343
DOC / nm / Seat$ 0.29$ 0.19$ 0.28$ 0.22
OEM VerificationUn-VerifiedUn-VerifiedUn-VerifiedUn-Verified
Useful Load (lbs)1450105012981308
Standard Cabin Seats444
Direct Operating Cost$ 347$ 204$ 211$ 285
Flight Deck (Base Spec)Garmin G1000 NXiGarmin G1000 NXiGarmin G1000 NXiGarmin G1000 NXi
Max Cruise Speed (ktas)202176190213
Base Aircraft Price (USD) $1,495,000 $925,000 $869,000 $1,195,000
Cabin
Cockpit222
Total Seats6646
Standard Cabin Seats444
Cabin Pressure (psi)5.6
Engine
FADECNoNoYesNo
ModelIO-550-CIO-550-BAE300TIO-540-AE2A
Fuel TypeAvGasAvGasDiesel / Jet FuelAvGas
TBO (hrs)1700170018002000
TBO (yrs)121212
Horsepower300300168350
Fuel DeliveryFuel InjectedFuel InjectedFuel InjectedFuel Injected
No. of Engines2121
Fuel Capacity (gal)1947479.4120
Usable Fuel (gal)76.4
Dimensions
Length (ft)29.927.528.129
Wingspan (ft)37.933.544.543
Cabin Width (ft)3.53.54.1
Cabin Height (ft)4.24.24
Cabin Length (ft)12.612.612.3
Overall Height (ft)9.88.68.211.4
Cabin Volume (cu. ft)150100165
Baggage Volume Int. (cu. ft)461020
Baggage Volume Ext. (cu. ft)13