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Diamond Aircraft Da42 Vi vs Piper M500

The Diamond Aircraft DA42 VI and the Piper M500 sit in different categories despite both being personal aircraft. The DA42 VI is a light, twin‑engine piston aircraft often used for training, personal travel, and surveillance-style missions; it emphasizes efficiency, redundancy, and relatively low operating costs. The Piper M500 is a high‑performance, pressurized, single‑engine turboprop designed more as an owner-flown business and family traveler, prioritizing speed, altitude capability, and comfort. In range, the M500 typically offers longer real-world legs and faster trip times, benefiting from turboprop power and pressurization that make higher-altitude cruise practical. The DA42 VI provides solid cross-country capability but is generally oriented toward shorter to mid-length trips compared with the M500’s typical mission profile. For passenger capacity, both are commonly operated with a pilot plus several passengers. The DA42 VI is usually configured for up to four seats, while the M500 typically seats up to six, making it better suited to carrying more people (or similar people with more baggage) in a single trip.

SpecDiamond Aircraft DA42 VIPiper M500
Summary
DOC / nm$ 1.11$ 3.11
Total Seats46
Flight RulesIFRIFR
ManufacturerDiamond AircraftPiper
Aircraft NameDA42 VIM500
CertificationFAA / EASAFAA / EASA
Max Range (nm)12731000
DOC / nm / Seat$ 0.28$ 0.78
OEM VerificationUn-VerifiedVERIFIED
Useful Load (lbs)12981698
Direct Operating Cost$ 211$ 579
Flight Deck (Base Spec)Garmin G1000 NXiGarmin G1000 NXi
Max Cruise Speed (ktas)190260
Base Aircraft Price (USD) $869,000 $2,122,600
Cockpit2
Min Crew1
Standard Cabin Seats4
Cabin
Total Seats45
Cockpit2
LavatoryNo
Min Crew1
Galley LocationMID
Cabin Pressure (psi)5.5
Galley / RefreshmentRefreshment Centre
Standard Cabin Seats4
SL Cabin Altitude (ft)12600
Max Cabin Altitude (ft)8244
Engine
FADECYesNo
ModelAE300PT6A-42A
Fuel TypeDiesel / Jet Fuel
TBO (hrs)18003600
Horsepower168500
Fuel DeliveryFuel Injected
No. of Engines21
Usable Fuel (gal)76.4
Fuel Capacity (gal)79.4170
Flat RatingISA + 55
Dimensions
Length (ft)28.129.6
Wingspan (ft)44.543.2
Overall Height (ft)8.211.3
Cabin Width (ft)4.1
Cabin Height (ft)4
Cabin Length (ft)12.3
Cabin Volume (cu. ft)165
Baggage Volume Int. (cu. ft)20