Cessna 150K vs Diamond DA40
Full Specs Comparison
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| Spec / Model | Cessna 150K | Diamond DA40 |
|---|---|---|
|
|
|
| Price Range | $52,000 – $65,000 | $149,900 – $733,889 |
| Category | Single Engine Piston | Single Engine Piston |
| Model Specifications | ||
| Seats | 2 | 4 |
| Horsepower | 100 HP | 180 HP |
| Cruise Speed | 97 kts (180 km/h) | 135 kts (250 km/h) |
| Range | 420 nm (778 km) | 635 nm (1,176 km) |
| Service Ceiling | — | 16,400 ft (4,999 m) |
| Max Gross Weight | 12,500 lbs (5,670 kg) | 2,535 lbs (1,150 kg) |
| Useful Load | 530 lbs (240 kg) | 780 lbs (354 kg) |
| Fuel Capacity | — | 40.0 gal (151 L) |
| Fuel Burn | 5.5 GPH (21 L/h) | 9.5 GPH (36 L/h) |
| TBO | 2,400 hrs | 2,000 hrs |
| Overhaul Cost | $15,000 | $25,000 |
| Annual Fixed | $9,000 | $16,000 |
| Hourly Variable | $75 | $120 |
| Engines | 1 x Reciprocating | 1 x Piston |
Cost of Ownership
EstimateCessna 150K
Fuel$30/hr
Variable$75/hr
Annual Fixed$9,000/yr
Total (200 hrs/yr)
$24,000/yr
Diamond DA40
Fuel$52/hr
Variable$120/hr
Annual Fixed$16,000/yr
Total (200 hrs/yr)
$40,000/yr
Which Should You Buy: Cessna 150K or Diamond DA40?
Pick the 150K if…
- Budget matters — from $52,000 vs $149,900, you save ~$97,900.
- Lower operating cost — ~$75/hr vs $120/hr.
Pick the DA40 if…
- More seats — 4 vs 2.
- Faster cruise — 135 kts vs 97 kts.
- Longer range — 635 nm vs 420 nm.
- Newer design — production from 2000 vs 1970.
- More inventory — 88 listings vs 5.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.
Frequently Asked Questions
Which is better, Cessna 150K or Diamond DA40?
It depends on your mission and budget.
The 150K cruises at 97 kts with 420 nm range.
The DA40 cruises at 135 kts with 635 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Cessna 150K: from $55,000.
Diamond DA40: from $570,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Cessna 150K and Diamond DA40?
150K engine: Continental O-200 (100 hp).
Seats: 2 vs 4.
Cruise: 97 vs 135 kts.
Range: 420 vs 635 nm.
Which is cheaper to operate per hour?
150K: about $75/hr variable cost.
DA40: about $120/hr variable cost.
Variable cost includes fuel, reserves and overhaul accruals. Annual fixed costs (hangar, insurance, annual inspection) add to the total.
Which has more seats and useful load?
150K: 2 seats / 530 lb useful load.
DA40: 4 seats / 780 lb useful load.
Useful load = max gross weight minus empty weight; it determines how much fuel plus payload you can carry.
How does maintenance compare — TBO and overhaul cost?
150K: 2,400-hour TBO, overhaul ~$15,000.
DA40: 2,000-hour TBO, overhaul ~$25,000.
Reaching the time-between-overhaul (TBO) triggers a mandatory engine/airframe rebuild that affects resale value.
Disclaimer: All prices and cost estimates are from third-party sources for informational purposes only. Always obtain professional appraisal and inspection before purchase.
Prices updated daily · Data: FAA Registry, NTSB · About our data