Beechcraft King Air C90GTx vs Cessna Conquest II
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
Beechcraft King Air C90GTx
- For sale now
- 11
- Listed on 2+ marketplaces
- 4
- Source marketplaces
- 3
- Model years available
- 2010–2014
Cessna Conquest II
- For sale now
- 10
- Listed on 2+ marketplaces
- 4
- Source marketplaces
- 5
- Model years available
- 1978–1984
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
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| Spec / Model | Beechcraft King Air C90GTx | Cessna Conquest II |
|---|---|---|
|
|
|
| Price Range | $2,939,050 – $3,565,000 | $828,904 – $1,866,250 |
| Category | Multi Engine Turboprop | Multi Engine Turboprop |
| Model Specifications | ||
| Seats | 10 | 11 |
| Horsepower | 550 HP | — |
| Cruise Speed | 260 kts (482 km/h) | 272 kts (504 km/h) |
| Range | 1,150 nm (2,130 km) | 1,650 nm (3,056 km) |
| Service Ceiling | 30,000 ft (9,144 m) | 35,000 ft (10,668 m) |
| Max Gross Weight | 10,100 lbs (4,581 kg) | 9,850 lbs (4,468 kg) |
| Useful Load | — | 3,100 lbs (1,406 kg) |
| Fuel Capacity | — | 475.0 gal (1798 L) |
| Fuel Burn | 68.0 GPH (257 L/h) | 70.0 GPH (265 L/h) |
| TBO | 3,500 hrs | — |
| Overhaul Cost | $360,000 | — |
| Annual Fixed | $160,000 | — |
| Hourly Variable | $850 | — |
| Engines | 2 x Turboprop | 2 x Turboprop |
Cost of Ownership
EstimateBeechcraft King Air C90GTx
Fuel$374/hr
Variable$850/hr
Annual Fixed$160,000/yr
Total (200 hrs/yr)
$330,000/yr
Cessna Conquest II
Fuel$385/hr
Which Should You Buy: Beechcraft King Air C90GTx or Cessna Conquest II?
Pick the King Air C90GTx if…
- Newer design — production from 2009 vs 1977.
- More inventory — 11 listings vs 10.
Pick the Conquest II if…
- Budget matters — from $828,904 vs $2,939,050, you save ~$2,110,146.
- More seats — 11 vs 10.
- Faster cruise — 272 kts vs 260 kts.
- Longer range — 1650 nm vs 1150 nm.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.
Frequently Asked Questions
Which is better, Beechcraft King Air C90GTx or Cessna Conquest II?
It depends on your mission and budget.
The King Air C90GTx cruises at 260 kts with 1,150 nm range.
The Conquest II cruises at 272 kts with 1,650 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 C90GTx and Cessna Conquest II?
Seats: 10 vs 11.
Cruise: 260 vs 272 kts.
Range: 1150 vs 1650 nm.
Which is cheaper to operate per hour?
King Air C90GTx: about $850/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?
King Air C90GTx: 10 seats.
Conquest II: 11 seats / 3,100 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 C90GTx: 3,500-hour TBO, overhaul ~$360,000.
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