Mooney M20K vs Mooney M20J

The Mooney M20J (201) and M20K (231/252) are closely related four-seat speedsters that Mooney buyers compare. The naturally aspirated M20J is famous for efficiency and the magic 201 mph speed, while the turbocharged M20K adds high-altitude capability and more speed up high. The choice hinges on whether turbocharged altitude performance is needed.

Full Specs Comparison

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Spec / Model Mooney M20K Mooney M20J
Mooney M20K
View 49 listings →
Median $165,000
Mooney M20J
View 55 listings →
Median $139,450
Price Range $68,711 – $326,500 $59,394 – $266,441
Category Single Engine Piston Single Engine Piston
Model Specifications
Seats 4
Horsepower 200 HP
Cruise Speed 161 kts (298 km/h)
Range 820 nm (1,519 km)
Service Ceiling 18,800 ft (5,730 m)
Max Gross Weight 2,740 lbs (1,243 kg)
Useful Load 900 lbs (408 kg)
Fuel Capacity 64.0 gal (242 L)
Fuel Burn 10.0 GPH (38 L/h)
TBO 2,000 hrs
Overhaul Cost $30,000
Annual Fixed $18,000
Hourly Variable $140
Engines 1 x Piston 1 x Piston

Cost of Ownership

Estimate

Mooney M20K

Mooney M20J

Fuel$55/hr
Variable$140/hr
Annual Fixed$18,000/yr
Total (200 hrs/yr) $46,000/yr

Which Should You Buy: Mooney M20K or Mooney M20J?

Bottom line: Choose the M20J for simplicity, efficiency, and excellent value as a fast naturally aspirated single. Pick the M20K when you want turbocharged high-altitude cruise and the ability to fly above weather, accepting added complexity and maintenance; both are efficient, fast Mooneys, with the K trading simplicity for altitude performance.

Pick the M20K if…

  • Newer design — production from 1980 vs 1977.

Pick the M20J if…

  • Budget matters — from $59,394 vs $68,711, you save ~$9,317.
  • More inventory — 55 listings vs 49.

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 M20K or Mooney M20J?
It depends on your mission and budget. The M20J cruises at 161 kts with 820 nm range. Review the specs table above to find which fits your flying profile.
How do prices compare?
Mooney M20K: from $239,500. Mooney M20J: from $165,000. Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Mooney M20K and Mooney M20J?
M20K engine: Continental TSIO-360-GB;TSIO-360-LB. M20J engine: Lycoming O-320 (200 hp).
Which is cheaper to operate per hour?
M20J: about $140/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?
M20J: 4 seats / 900 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?
M20J: 2,000-hour TBO, overhaul ~$30,000. 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