Certified Piston · Jet-A · 6.22% from
DA40 Financing
Jet-A, Done Right.
The Austro AE300 burns Jet-A at 5.6 gallons per hour. The most financed Diamond model on the market — and the one that requires a lender who actually understands the engine.
6.22%
Certified piston from
Soft pull
No credit impact
6.22%
Certified piston from
Soft pull
No credit impact
The DA40 NG is the most financed model in the Diamond lineup, and it's the aircraft most likely to be someone's introduction to Jet-A piston flying. The Austro AE300 diesel engine is the single most important financing detail on this airplane — it burns Jet-A, not avgas, and its overhaul structure doesn't match a Lycoming or Continental. A lender who doesn't know that will price it incorrectly.
Jet-A is cheaper and more globally available than avgas — a real operating-cost advantage. The lender who understands that is the lender who values the DA40 correctly.
The DA40 NG's composite airframe, panoramic canopy, and side-by-side cockpit are what buyers actually choose the aircraft for, and they hold value well with a lender who has seen Diamond aircraft before. G1000 NXi-equipped examples with low time and current Austro service history are the most active transactions FLYING Finance sees on this model — and the DA40 is also one of the most widely used aircraft in modern Part 141 flight training, which means fleet financing is a well-worn path, not a special case.
DA40 NG · at a glance
Diamond's Jet-A single.
Manufacturer figures for the current DA40 NG configuration.
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Engine
Austro AE300
Jet-A diesel, FADEC-controlled, burns approximately 5.6 gph. Four seats, composite airframe.
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Max cruise
154 kt
Max operating altitude 16,400 ft. Panoramic canopy, T-tail configuration.
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Max range
~900 nm
Roughly 40.6 gal usable Jet-A fuel. Excellent operating-cost profile relative to comparable avgas singles.
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Max takeoff weight
2,646 lb
Useful load approximately 926 lb depending on equipment.
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Avionics
G1000 NXi
Standard on current-production examples. Composite, all-carbon-fiber airframe — no corrosion.
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Typical price
$380K–$700K
Pre-owned market range depending on year and equipment.
*Performance specifications are approximate and based on manufacturer data. Financing terms vary by model year and condition.
Mid-2026 market prices · estimated payments
What does a DA40 actually cost monthly?
Real numbers across the DA40 NG pre-owned market. 15% down, 20-year term at 6.22% certified piston.
Estimated monthly payments · DA40 NG
6.22% certified piston · 20yr · 15% down
| Aircraft | Market price | Down (15%) | Loan amount | Est. monthly |
|---|
| 2018 DA40 NG6.22% / 20yr · Austro AE300 | $380,000 | $57,000 | $323,000 | $2,356 |
| 2022 DA40 NG6.22% / 20yr | $530,000 | $79,500 | $450,500 | $3,286 |
| 2024 DA40 NG (late-model)6.22% / 20yr | $700,000 | $105,000 | $595,000 | $4,340 |
What lenders look for · DA40 specific
The underwriting conversation
The DA40 requires lender familiarity with Jet-A diesel engines and composite construction — everything else is a routine certified-piston file.
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Engine type
Jet-A · not avgas
The Austro AE300 has a 2,000-hour TBO structure that doesn't match a Lycoming or Continental. Lenders experienced with Diamond price this correctly; lenders who aren't sometimes apply the wrong assumptions.
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Composite airframe
Full carbon fiber
No corrosion, ages differently than aluminum. A durability advantage that lenders experienced with Diamond understand favorably.
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Austro service history
Authorized facilities
Engine records from Austro-authorized service facilities carry more lender weight than independent shops — this is the single most important documentation item on a DA40 file.
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Flight school use
Very common
The DA40 NG is among the most widely used Part 141 training aircraft worldwide. Fleet financing introduces commercial documentation — entity ownership, commercial insurance, revenue history.
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Credit score
680+
680 minimum for DA40 transactions. Diamond buyers tend to be highly qualified borrowers, and the specialty lender pool, while more selective, knows the platform well.
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Manufacturer
Austria · well supported
Diamond has a US subsidiary, training academy, and full FAA type certification. FLYING Finance works with lenders who have direct Diamond transaction experience.
New to aircraft ownership?
Start with the First-Time Buyer Guide.
Before you go deep on a specific aircraft, the First-Time Buyer Guide walks you through every mission path — from EAB's and piston trainers to the turbine step-up — with real cost-of-ownership data, pre-buy checklists, and a loan calculator calibrated to each category. Five paths, one page.
From the FLYING ecosystem · editorial resources
Research worth reading before you apply
Frequently asked questions · DA40 financing
Questions we answer every week
Does the Jet-A engine affect my rate or terms?▼
Not directly on rate — the DA40 finances at the standard certified piston rate of 6.22%. It does affect lender selection. Lenders who know the Austro AE300 and its TBO structure price the collateral accurately; lenders who don't sometimes apply conservative assumptions that lower the LTV offer. FLYING Finance works with lenders who have direct Diamond experience.
Is a DA40 harder to finance than a Cessna 172 or Cirrus SR20?▼
Not harder — but lender selection matters more. A 172 can be financed by almost any aviation lender because familiarity is universal. The DA40 needs a lender who has seen the platform. With the right lender, a DA40 NG closes just as cleanly as a comparable Cirrus or Cessna.
Compare aircraft side by side.Can I finance a DA40 for a flight school fleet?▼
Yes. The DA40 NG is among the most widely used training aircraft in modern Part 141 operations worldwide, and fleet financing is a well-established transaction type. Commercial use documentation — entity ownership, commercial insurance, revenue history or projections, and Austro engine service records — is required. Multiple-aircraft fleet financing under a single entity is possible with the right lender.
What documentation does the Austro engine require?▼
Lenders experienced with Diamond want current engine hours since new or overhaul, service records from Austro-authorized facilities specifically (not just any A&P), compliance with Austro service bulletins, and current FADEC firmware with no open fault codes at pre-buy. A pre-buy from a Diamond Authorized Service Center that specifically addresses the Austro engine is the strongest documentation package.
How long does DA40 financing take from application to keys?▼
Pre-approval on a complete file: 2–3 business days — slightly longer than a generic aviation lender file because we route to a Diamond-familiar lender from the start. Full approval once the aircraft is identified and pre-buy (including Austro engine review) is complete: 3–5 business days. Closing: 1–3 days. Total: 10–14 business days for most DA40 transactions.
See the full loan process.
Amelia · FLYING Finance AI specialist
Amelia
FLYING Finance AI Specialist
Permanent member of the FLYING Finance team
"The DA40's Austro engine is the most important financing detail on the airplane, and the one most often mishandled by lenders who haven't seen Diamond before. I know which lenders price it right."
Rate on a 2022 DA40 NG?
Monthly payment on a $530K DA40?
Does the Austro engine affect financing?
Fleet financing for a flight school?
What Austro documentation do lenders need?
A
I know the DA40 well — the Austro AE300, the composite airframe, and which lenders understand both. Ask me about rates, monthly payments, or fleet financing for flight schools. What are you working on?
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