Piper M350 vs Diamond Aircraft Da62 vs Diamond Aircraft Da42 Vi
The Piper M350 is a pressurized, single‑engine piston aircraft aimed at personal and business travel. It typically carries one pilot plus up to five passengers (six seats total) and offers a practical range on the order of about 1,300–1,500 nautical miles depending on power setting, payload, and reserves, making it well suited to longer trips at higher altitudes in a relatively compact cabin. The Diamond DA62 is a modern, twin‑engine piston aircraft designed around comfort, redundancy, and family or corporate utility. It commonly seats up to seven (including the pilot) and, with its efficient diesel engines, usually delivers roughly 1,000–1,200 nautical miles of range, trading a bit of reach for greater seating flexibility and twin‑engine capability. The Diamond DA42‑VI is a lighter, twin‑engine diesel aircraft often chosen for training, surveillance, and efficient cross‑country travel. It generally seats four and typically achieves about 1,100–1,300 nautical miles of range, emphasizing economy and mission versatility over maximum passenger capacity.
| Spec | Diamond Aircraft DA42 VI | Diamond Aircraft DA62 | Piper M350 |
|---|---|---|---|
| Summary | |||
| DOC / nm | $ 1.11 | $ 1.18 | $ 1.34 |
| Total Seats | 4 | 5 | 6 |
| Flight Rules | IFR | IFR | VFR |
| Manufacturer | Diamond Aircraft | Diamond Aircraft | Piper |
| Aircraft Name | DA42 VI | DA62 | M350 |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 1273 | 1283 | 1343 |
| DOC / nm / Seat | $ 0.28 | $ 0.24 | $ 0.22 |
| OEM Verification | Un-Verified | Un-Verified | Un-Verified |
| Useful Load (lbs) | 1298 | 1565 | 1308 |
| Direct Operating Cost | $ 211 | $ 225 | $ 285 |
| Flight Deck (Base Spec) | Garmin G1000 NXi | Garmin G1000 NXi | Garmin G1000 NXi |
| Max Cruise Speed (ktas) | 190 | 190 | 213 |
| Base Aircraft Price (USD) | $869,000 | $1,290,000 | $1,195,000 |
| Cockpit | — | 2 | 2 |
| Max Cabin Seats | — | 5 | — |
| Standard Cabin Seats | — | 3 | 4 |
| Cabin | |||
| Total Seats | 4 | 5 | 6 |
| Cockpit | — | 2 | 2 |
| Max Cabin Seats | — | 5 | — |
| Standard Cabin Seats | — | 3 | 4 |
| Cabin Pressure (psi) | — | — | 5.6 |
| Engine | |||
| FADEC | Yes | Yes | No |
| Model | AE300 | AE330 | TIO-540-AE2A |
| Fuel Type | Diesel / Jet Fuel | Diesel / Jet Fuel | AvGas |
| TBO (hrs) | 1800 | 1800 | 2000 |
| Horsepower | 168 | 180 | 350 |
| Fuel Delivery | Fuel Injected | Fuel Injected | Fuel Injected |
| No. of Engines | 2 | 2 | 1 |
| Usable Fuel (gal) | 76.4 | 86 | — |
| Fuel Capacity (gal) | 79.4 | 89 | 120 |
| TBO (yrs) | — | — | 12 |
| Dimensions | |||
| Length (ft) | 28.1 | 30.1 | 29 |
| Wingspan (ft) | 44.5 | 47.8 | 43 |
| Overall Height (ft) | 8.2 | 9.3 | 11.4 |
| Cabin Width (ft) | — | — | 4.1 |
| Cabin Height (ft) | — | — | 4 |
| Cabin Length (ft) | — | — | 12.3 |
| Cabin Volume (cu. ft) | — | — | 165 |
| Baggage Volume Ext. (cu. ft) | — | — | 13 |
| Baggage Volume Int. (cu. ft) | — | — | 20 |