Beechcraft King Air 90 vs Piper M600SLS
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · re-checked on a rolling daily cycle
Beechcraft King Air 90
- For sale now
- 101
- Median asking
- $1,150,000
- Range
- $402,000–$3,272,750
- Model years available
- 1965–2014
Piper M600SLS
No active listings right now.
Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Beechcraft King Air 90 | Piper M600SLS |
|---|---|---|
|
|
|
| Price Range | $402,000 – $3,272,750 | — |
| Category | Multi Engine Turboprop | Single Engine Turboprop |
| Model Specifications | ||
| Seats | 10 | — |
| Horsepower | 550 HP | — |
| Cruise Speed | 215 kts (398 km/h) | — |
| Range | 1,060 nm (1,963 km) | — |
| Service Ceiling | 30,000 ft (9,144 m) | — |
| Useful Load | 2,700 lbs (1,225 kg) | — |
| Fuel Burn | 65.0 GPH (246 L/h) | — |
| TBO | 3,600 hrs | — |
| Engines | 2 x Turboprop | — |
Frequently Asked Questions
Which is better, Beechcraft King Air 90 or Piper M600SLS?
It depends on your mission and budget.
The King Air 90 cruises at 215 kts with 1,060 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Beechcraft King Air 90 and Piper M600SLS?
King Air 90 engine: Pratt & Whitney PT6A-6 (550 hp).
Which is cheaper to operate per hour?
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?
King Air 90: 10 seats / 2,700 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?
King Air 90: 3,600-hour TBO.
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 re-checked on a rolling cycle — most within a few days · Data: FAA Registry, NTSB · About our data