Mooney M20M vs Diamond DA40

Full Specs Comparison

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Spec / Model Mooney M20M Diamond DA40
Mooney M20M
View 25 listings →
Median $239,000
Diamond DA40
View 81 listings →
Median $417,429
Price Range $105,000 – $349,900 $149,900 – $733,316
Category Single Engine Piston Single Engine Piston
Model Specifications
Seats 4 4
Horsepower 180 HP
Cruise Speed 135 kts (250 km/h)
Range 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 780 lbs (354 kg)
Fuel Capacity 40.0 gal (151 L)
Fuel Burn 16.0 GPH (61 L/h) 9.5 GPH (36 L/h)
TBO 2,000 hrs 2,000 hrs
Overhaul Cost $35,000 $25,000
Annual Fixed $22,000 $16,000
Hourly Variable $180 $120
Engines 1 x Reciprocating 1 x Piston

Cost of Ownership

Estimate

Mooney M20M

Fuel$88/hr
Variable$180/hr
Annual Fixed$22,000/yr
Total (200 hrs/yr) $58,000/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: Mooney M20M or Diamond DA40?

Pick the M20M if…

  • Budget matters — from $105,000 vs $149,900, you save ~$44,900.

Pick the DA40 if…

  • Lower operating cost — ~$120/hr vs $180/hr.
  • Newer design — production from 2000 vs 1988.
  • More inventory — 81 listings vs 25.

Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.

Frequently Asked Questions

Which is better, Mooney M20M or Diamond DA40?
It depends on your mission and budget. 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?
Mooney M20M: from $239,000. Diamond DA40: from $499,000. Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Mooney M20M and Diamond DA40?
M20M engine: Lycoming TIO-540.
Which is cheaper to operate per hour?
M20M: about $180/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?
M20M: 4 seats. 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?
M20M: 2,000-hour TBO, overhaul ~$35,000. 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