The efficient diesel DA42 against the larger, faster Baron G58, a trade between running cost and outright cabin space and performance.
The DA42 is the efficient four-seat twin: it suits training and light personal travel where modern systems, Jet A and manageable operating cost matter more than cabin volume. The Baron is a true transport step up, carrying substantially more and covering the mission faster and farther, but two large avgas engines make every unused seat expensive. Both demand multi-engine proficiency, so redundancy alone does not separate them. If the regular manifest fits the Diamond, buying the G58 is buying capacity on every flight. If people, bags or distance repeatedly exceed the DA42's envelope, fuel savings cannot turn it into a Baron.
The table below uses the same versioned PlaneFit dataset as the Finder. Prices and operating costs are planning estimates, not quotations.
| Decision factor | Diamond DA42-VIView aircraft profile | Beechcraft Baron G58View aircraft profile |
|---|---|---|
| Typical market year | 2022 | 2023 |
| Estimated purchase | €782k | €1.44m |
| Annual cash cost at 80 h | €67k | €104k |
| Five-year cash outlay | €1.12m | €1.96m |
| Cruise speed | 175 kt | 202 kt |
| Advertised range | 1225 nm | 1480 nm |
| Seats | 4 | 6 |
| Realistic payload | 461 kg | 701 kg |
| Runway need | 649 m | 700 m |
| Landing gear | Retractable tricycle | Retractable tricycle |
| Ratings and endorsements | Multi-engine rating, Complex airplane endorsement | Multi-engine rating, Complex airplane endorsement |
| Data confidence | Normalized for direct comparison | Normalized for direct comparison |
| Main trade-off | Efficient twin-engine capability and modern systems, but cabin payload and maintenance complexity remain significant constraints. | A proven, capable piston twin, but two large engines create operating costs close to some older turboprops. |
A factual first pass. Mission, condition and configuration can outweigh a brochure advantage.
They do not cross. The Diamond DA42-VI is the cheaper of the two at every utilisation from zero to 300 hours a year, on purchase and running cost together, so there is no break-even point to find. That is worth knowing plainly: on cost alone this is not a trade-off, and the case for the other aircraft has to be made on mission, cabin, speed or access rather than on eventual savings.
| Five-year cash, including purchase | Diamond DA42-VI | Beechcraft Baron G58 | Difference |
|---|---|---|---|
| 40 h / year | $1.14m (€1.05m) | $2m (€1.85m) | $861k (€797k) to Diamond DA42-VI |
| 100 h / year | $1.24m (€1.15m) | $2.18m (€2.02m) | $939k (€869k) to Diamond DA42-VI |
| 200 h / year | $1.41m (€1.3m) | $2.47m (€2.29m) | $1.07m (€989k) to Diamond DA42-VI |
The gap widens as utilisation rises, which is the part a headline price comparison hides. Every figure uses the same planning model as the rest of the site: indicative market prices, a fixed annual base and a direct hourly cost, before financing, depreciation and tax.
Advertised range is a still-air, best-case number. With 4 people aboard and realistic reserves, plan on about 821 nm from the Diamond DA42-VI against 992 nm from the Beechcraft Baron G58. On a return trip without refuelling, that is the radius that decides which destinations are on the list at all.
Against the 28,815 airports in the PlaneFit database that publish a runway length, the Diamond DA42-VI has enough runway at 23,221 of them and the Beechcraft Baron G58 at 22,252, comparing each aircraft’s take-off requirement of 2,129 ft and 2,297 ft against the longest runway on the field.
This is a planning comparison, not a statement that any particular operation is legal or advisable. It ignores surface, slope, elevation, temperature, obstacles and how heavily the aircraft is loaded, all of which extend the requirement. It also compares take-off distance only: landing distance is frequently the binding constraint and PlaneFit does not hold approved landing distances, so a field in these counts is not necessarily a field you can get back out of, or into.
Nothing separates them here. Both require a multi-engine rating, a complex airplane endorsement, so a pilot qualified for one is qualified for the other.
Four-seat Jet A multi-engine trainer and personal transport. Its central ownership trade-off is: Efficient twin-engine capability and modern systems, but cabin payload and maintenance complexity remain significant constraints.
Planning snapshot: $845k (€782k) indicative price and $72k (€67k) annual cash cost at 80 hours.
Read the full aircraft profileSix-seat normally aspirated piston twin. Its central ownership trade-off is: A proven, capable piston twin, but two large engines create operating costs close to some older turboprops.
Planning snapshot: $1.56m (€1.44m) indicative price and $112k (€104k) annual cash cost at 80 hours.
Read the full aircraft profile