Beechcraft King Air C90GTx vs Cessna Conquest I
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 I
- For sale now
- 13
- Median asking
- $1,162,500
- Range
- $867,150–$2,135,000
- Listed on 2+ marketplaces
- 7
- Source marketplaces
- 4
- Model years available
- 1978–1985
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 C90GTx | Cessna Conquest I |
|---|---|---|
|
|
|
| Price Range | $2,939,050 – $3,565,000 | $867,150 – $2,135,000 |
| Category | Multi Engine Turboprop | Multi Engine Turboprop |
| Model Specifications | ||
| Seats | 10 | 8 |
| Horsepower | 550 HP | — |
| Cruise Speed | 260 kts (482 km/h) | 283 kts (524 km/h) |
| Range | 1,150 nm (2,130 km) | 1,500 nm (2,778 km) |
| Service Ceiling | 30,000 ft (9,144 m) | — |
| Max Gross Weight | 10,100 lbs (4,581 kg) | 8,600 lbs (3,901 kg) |
| Fuel Burn | 68.0 GPH (257 L/h) | — |
| TBO | 3,500 hrs | — |
| Overhaul Cost | $360,000 | — |
| Annual Fixed | $160,000 | — |
| Hourly Variable | $850 | — |
| Engines | 2 x Turboprop | 2 x |
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 I
Which Should You Buy: Beechcraft King Air C90GTx or Cessna Conquest I?
Pick the King Air C90GTx if…
- More seats — 10 vs 8.
- Newer design — production from 2009 vs 1976.
Pick the Conquest I if…
- Budget matters — from $867,150 vs $2,939,050, you save ~$2,071,900.
- Faster cruise — 283 kts vs 260 kts.
- Longer range — 1500 nm vs 1150 nm.
- More inventory — 13 listings vs 11.
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 I?
It depends on your mission and budget.
The King Air C90GTx cruises at 260 kts with 1,150 nm range.
The Conquest I cruises at 283 kts with 1,500 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Cessna Conquest I: from $2,450,000.
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 I?
Seats: 10 vs 8.
Cruise: 260 vs 283 kts.
Range: 1150 vs 1500 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 I: 8 seats.
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