Beechcraft Baron G58 vs Diamond Aircraft Da62 vs Piper Seneca
The Beechcraft Baron G58, Diamond Aircraft DA62, and Piper Seneca are all light, piston-powered, twin‑engine airplanes typically used for personal travel, business transport, and advanced training, but they differ in emphasis. The Baron G58 is often viewed as the more traditional, performance‑oriented “classic” twin in this class, usually configured for about five to six occupants and suited to efficient mid‑range trips roughly in the 1,000–1,500 nautical mile bracket depending on power settings and reserves. The Diamond DA62 is a newer‑generation composite twin aimed at high efficiency and cabin comfort, commonly seating six to seven and typically offering a similar or somewhat longer practical range, often around 1,200–1,700 nautical miles depending on configuration. The Piper Seneca is a widely used, versatile light twin frequently found in training and utility roles; it generally carries five to six and tends to have a broadly comparable but often slightly shorter practical range than the DA62, commonly around 800–1,300 nautical miles depending on model and operating conditions. Actual usable range and seating depend heavily on payload, fuel reserves, and optional equipment.
| Spec | Beechcraft Baron G58 | Diamond Aircraft DA62 | Piper Seneca |
|---|---|---|---|
| Summary | |||
| Cockpit | 2 | 2 | 2 |
| DOC / nm | $ 1.72 | $ 1.18 | $ 1.69 |
| Total Seats | 6 | 5 | 6 |
| Flight Rules | IFR | IFR | IFR |
| Manufacturer | Beechcraft | Diamond Aircraft | Piper |
| Aircraft Name | Baron G58 | DA62 | Seneca |
| Certification | FAA / EASA | FAA / EASA | FAA / EASA |
| Max Range (nm) | 1480 | 1283 | 828 |
| DOC / nm / Seat | $ 0.29 | $ 0.24 | $ 0.28 |
| OEM Verification | Un-Verified | Un-Verified | Un-Verified |
| Useful Load (lbs) | 1450 | 1565 | 1331 |
| Standard Cabin Seats | 4 | 3 | 4 |
| Direct Operating Cost | $ 347 | $ 225 | $ 337 |
| Flight Deck (Base Spec) | Garmin G1000 NXi | Garmin G1000 NXi | Garmin G1000 NXi |
| Max Cruise Speed (ktas) | 202 | 190 | 200 |
| Base Aircraft Price (USD) | $1,495,000 | $1,290,000 | $1,095,000 |
| Max Cabin Seats | — | 5 | — |
| Cabin | |||
| Cockpit | 2 | 2 | 2 |
| Total Seats | 6 | 5 | 6 |
| Standard Cabin Seats | 4 | 3 | 4 |
| Max Cabin Seats | — | 5 | — |
| Engine | |||
| FADEC | No | Yes | No |
| Model | IO-550-C | AE330 | TSIO-360-RB |
| Fuel Type | AvGas | Diesel / Jet Fuel | AvGas |
| TBO (hrs) | 1700 | 1800 | 1800 |
| TBO (yrs) | 12 | — | — |
| Horsepower | 300 | 180 | 220 |
| Fuel Delivery | Fuel Injected | Fuel Injected | Fuel Injected |
| No. of Engines | 2 | 2 | 2 |
| Fuel Capacity (gal) | 194 | 89 | 122 |
| Usable Fuel (gal) | — | 86 | — |
| Dimensions | |||
| Length (ft) | 29.9 | 30.1 | 28.6 |
| Wingspan (ft) | 37.9 | 47.8 | 39 |
| Cabin Width (ft) | 3.5 | — | — |
| Cabin Height (ft) | 4.2 | — | — |
| Cabin Length (ft) | 12.6 | — | — |
| Overall Height (ft) | 9.8 | 9.3 | 10 |
| Cabin Volume (cu. ft) | 150 | — | — |
| Baggage Volume Int. (cu. ft) | 46 | — | — |