Compare Diamond Aircraft DA42 VI vs Piper M350
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| Manufacturer | Diamond Aircraft | Piper |
| Aircraft Type | DA42 VI | M350 |
| Base Aircraft Price (USD) | $869,000 | $1,195,000 |
| Direct Operating Cost | $ 211 | $ 285 |
| DOC / nm | $ 1.11 | $ 1.34 |
| DOC / nm / Seat | $ 0.28 | $ 0.22 |
| Max Cruise Speed (ktas) | 190 | 213 |
| Max Range (nm) | 1273 | 1343 |
| Useful Load (lbs) | 1298 | 1308 |
| Total Seats | 4 | 6 |
| Cockpit | - | 2 |
| Standard Cabin Seats | - | 4 |
| Flight Deck (Base Spec) | Garmin G1000 NXi | Garmin G1000 NXi |
| Flight Rules | IFR | VFR (IFR Optional) |
| Certification | FAA / EASA | FAA / EASA |
| OEM Verification | Un-Verified | Un-Verified |
| Weights | ||
| MRAMP (lbs) | - | 4358 |
| MTOW (lbs) | 4407 | 4340 |
| MLW (lbs) | 4407 | 4123 |
| MZFW (lbs) | - | 4123 |
| BEW (lbs) | 3109 | 3050 |
| Useful Load (lbs) | 1298 | 1308 |
| Fuel Capacity (lbs) | 536 | 720 |
| Useful Load Max Fuel (lbs) | 762 | 588 |
| Dimensions | ||
| Wingspan (ft) | 44.5 | 43 |
| Overall Height (ft) | 8.2 | 11.4 |
| Length (ft) | 28.1 | 29 |
| Cabin Height (ft) | - | 4 |
| Cabin Width (ft) | - | 4.1 |
| Cabin Length (ft) | - | 12.3 |
| Cabin Volume (cu. ft) | - | 165 |
| Baggage Volume Int. (cu. ft) | - | 20 |
| Baggage Volume Ext. (cu. ft) | - | 13 |
| Engine | ||
| No. of Engines | 2 | 1 |
| Manufacturer | Diamond Aircraft | Piper |
| Model | AE300 | TIO-540-AE2A |
| Horsepower | 168 | 350 |
| FADEC | Yes | No |
| TBO (hrs) | 1800 | 2000 |
| TBO (yrs) | - | 12 |
| Fuel Type | Diesel / Jet Fuel | AvGas |
| Fuel Delivery | Fuel Injected | Fuel Injected |
| Fuel Capacity (gal) | 79.4 | 120 |
| Usable Fuel (gal) | 76.4 | - |
| Avionics | ||
| Flight Deck | Garmin G1000 NXi | Garmin G1000 NXi |
| Flight Rules | IFR | VFR (IFR Optional) |
| Standby Instrument | Gyro / Analog | Aspen Avionics EFD1000 |
| Autopilot | Garmin GFC 700 | Garmin GFC 700 |
| PFD | 1 | 2 |
| MFD | 1 | 1 |
| GPS | 2 | 2 x Garmin GIA-64 WAAS |
| AHRS | 1 | 2 |
| Flight Director | 1 | 1 |
| ADC | 1 | 2 |
| Transponder | 1 | 1 x Garmin GTX335R (ADS-B OUT) |
| VHF Com | 2 | 2 |
| VHF NAV | 2 | 2 |
| Cabin | ||
| Total Seats | 4 | 6 |
| Cockpit | - | 2 |
| Standard Cabin Seats | - | 4 |
| Cabin Pressure (psi) | - | 5.6 |
| Other | ||
| Prop Manufacturer | MT Propeller | Hartzell |
| Prop Description | 3-Blade Constant | 3-Blade Composite Constant |
| Prop Diameter | - | 80 |
| Gear Type | Retractable Nose-Wheel | Retractable |
| Warranty | ||
| Pilot Training Credits | - | 1 |
| Airframe (Yrs) | - | 2 |
| Engine (Yrs) | - | 2 |
| Prop (Yrs) | - | 5 |
| Prop (Hrs) | - | 1500 |
| Avionics (Yrs) | - | 2 |
| Performance | ||
| Max Cruise Speed (ktas) | 190 | 213 |
| Cruise Speed @ 75% (ktas) | 176 | - |
| Long Range Cruise (ktas) | 145 | 213 |
| Max Speed (Vne) | 188 | - |
| Stall Speed - Flaps (kias) | 61 | - |
| Max Range (nm) | 1273 | 1343 |
| Endurance (hrs) | 11.75 | - |
| Take-off Roll (ft) | 1148 | 1087 |
| Take-Off >50ft Obst. (ft) | 2011 | 2090 |
| Landing Roll (ft) | 1099 | 1020 |
| Landing >50ft Obst. (ft) | 1893 | 1968 |
| Max Climb Rate (fpm) | 1337 | - |
| Service Ceiling (ft) | 18000 | 25000 |