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Beechcraft Kingair Denali vs Cessna 206 Turbo Stationair vs Diamond Aircraft Da42 Vi vs Piper M500 vs Piper Seminole

By category, the Beechcraft Denali and Piper M500 are pressurized, higher-performance single‑engine turboprops aimed at faster, longer, all‑weather personal and business travel. The Cessna Turbo Stationair is also a single‑engine turboprop but typically unpressurized and positioned more as a rugged utility/backcountry and family hauler. The Diamond DA42 VI is a twin‑engine piston aircraft emphasizing efficiency, redundancy, and modern avionics, often used for travel, training, and special‑mission roles. The Piper Arrow is a retractable‑gear single‑engine piston aircraft commonly viewed as a complex trainer and economical personal traveler. In range, the Denali and M500 generally lead, offering the longest legs among this group. The DA42 VI usually provides mid‑to‑long range with notably low fuel burn, often competitive with smaller turboprops on endurance but typically behind the Denali/M500 on speed and payload. The Turbo Stationair is usually mid‑range, balancing useful load and flexibility over raw distance. The Arrow is generally the shortest‑range option. For passenger capacity, the Turbo Stationair typically seats the most (often up to six), Denali and M500 commonly seat five to six, the DA42 VI usually seats four, and the Arrow typically seats four.

SpecBeechcraft KingAir DenaliCessna Turbo StationairDiamond Aircraft DA42 VIPiper M500Piper Arrow
Summary
Cockpit22—22
DOC / nm$ 4.08$ 1.08$ 1.11$ 3.11$ 1.36
Min Crew1——1—
Total Seats116466
Flight RulesIFRVFRIFRIFRIFR
ManufacturerGE® AerospaceCessnaDiamond AircraftPiperPiper
Aircraft NameKingAir Denali206 Turbo StationairDA42 VIM500Arrow
CertificationFAA / EASAFAA / EASAFAA / EASAFAA / EASAFAA / EASA
Max Range (nm)160070312731000700
DOC / nm / Seat$ 0.68$ 0.18$ 0.28$ 0.78$ 0.23
Max Cabin Seats9————
OEM VerificationVERIFIEDUn-VerifiedUn-VerifiedVERIFIEDUn-Verified
Useful Load (lbs)3280—129816981191
Standard Cabin Seats74—44
Direct Operating Cost$ 1,111$ 174$ 211$ 579$ 221
Flight Deck (Base Spec)Rockwell Collins Pro Line FusionGarmin G1000 NXiGarmin G1000 NXiGarmin G1000 NXiGarmin G1000 NXi
Max Cruise Speed (ktas)285161190260162
Base Aircraft Price (USD)$4,150,000 $745,000 $869,000 $2,122,600 $765,000
Cabin
Cockpit22—22
Lavatory1 Flushing——No—
Min Crew1——1—
Total Seats116456
Max Cabin Seats9————
Lavatory LocationAFT————
Cabin Pressure (psi)5——5.5—
Galley / RefreshmentNo——Refreshment Centre—
Standard Cabin Seats74—44
SL Cabin Altitude (ft)11065——12600—
Galley Location———MID—
Max Cabin Altitude (ft)———8244—
Engine
ModelCatalyst™TIO-540-AJ1AAE300PT6A-42AO-360-AIH6
No. of Engines11212
FADEC—NoYesNoNo
Fuel Type—AvGasDiesel / Jet Fuel—AvGas
TBO (hrs)—2000180036002000
TBO (yrs)—12——12
Horsepower—350168500180
Fuel Delivery—Fuel InjectedFuel Injected—Carbureted
Fuel Capacity (gal)—8779.4170108
Usable Fuel (gal)——76.4——
Flat Rating———ISA + 55—
Dimensions
Length (ft)14.8628.328.129.627.6
Wingspan (ft)54.33644.543.238.6
Cabin Width (ft)4.53.6—4.1—
Cabin Height (ft)4.84.2—4—
Cabin Length (ft)12.612.1—12.3—
Overall Height (ft)4.659.48.211.38.5
Cabin Width - Floor (ft)4.1————
Cabin Length - Seating (ft)12.6————
Baggage Volume Int. (cu. ft)4811—20—
Cabin Volume (cu. ft)———165—