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Beechcraft Baron G58 vs Piper M500 vs Piper M600 Sls vs Piper Seneca

The Beechcraft Baron G58 is a piston twin positioned as a traditional personal/business cross‑country aircraft. It typically offers seating for about five to six people with useful, practical ranges generally in the mid‑to‑upper hundreds of nautical miles depending on power settings and reserves. The Piper Seneca is also a piston twin, commonly configured for six to seven seats, and is often used for training, light charter, and family/business travel; its real‑world range is broadly similar to the Baron, generally around the high hundreds of nautical miles, again varying with load and reserves. The Piper M500 and M600 SLS are pressurized, single‑engine turboprops aimed at faster, higher‑altitude travel with simpler engine management than twins. Both are typically arranged for one pilot plus up to five passengers (often six seats total). In range, they usually exceed the piston twins, with the M500 commonly around the low‑to‑mid 1,000‑nautical‑mile class, while the M600 SLS is generally comparable or modestly longer depending on configuration and mission profile.

SpecBeechcraft Baron G58Piper M500Piper M600 SLSPiper Seneca
Summary
Cockpit2222
DOC / nm$ 1.72$ 3.11$ 2.19$ 1.69
Total Seats6666
Flight RulesIFRIFRIFRIFR
ManufacturerBeechcraftPiperPiperPiper
Aircraft NameBaron G58M500M600Seneca
CertificationFAA / EASAFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)148010001406828
DOC / nm / Seat$ 0.29$ 0.78$ 0.55$ 0.28
OEM VerificationUn-VerifiedVERIFIEDVERIFIEDUn-Verified
Useful Load (lbs)1450169822001331
Standard Cabin Seats4444
Direct Operating Cost$ 347$ 579$ 603$ 337
Flight Deck (Base Spec)Garmin G1000 NXiGarmin G1000 NXiGarmin G3000Garmin G1000 NXi
Max Cruise Speed (ktas)202260274200
Base Aircraft Price (USD) $1,495,000 $2,122,600$3,081,400 $1,095,000
Min Crew11
Cabin
Cockpit2222
Total Seats6556
Standard Cabin Seats4444
LavatoryNoNo
Min Crew11
Galley LocationMIDMID
Cabin Pressure (psi)5.55.6
Galley / RefreshmentRefreshment CentreRefreshment Centre
SL Cabin Altitude (ft)1260012600
Max Cabin Altitude (ft)82448644
Engine
FADECNoNoNoNo
ModelIO-550-CPT6A-42APT6A-42ATSIO-360-RB
Fuel TypeAvGasAvGas
TBO (hrs)1700360036001800
TBO (yrs)12
Horsepower300500600220
Fuel DeliveryFuel InjectedFuel Injected
No. of Engines2112
Fuel Capacity (gal)194170260122
Flat RatingISA + 55ISA + 55
Dimensions
Length (ft)29.929.629.728.6
Wingspan (ft)37.943.243.239
Cabin Width (ft)3.54.14.1
Cabin Height (ft)4.244
Cabin Length (ft)12.612.312.3
Overall Height (ft)9.811.311.310
Cabin Volume (cu. ft)150165165
Baggage Volume Int. (cu. ft)462020