Beechcraft King Air 300 vs Beechcraft King Air 350
The King Air 300 and 350 are predecessor and successor in the large-King-Air line — the 350 is the stretched version (~2 ft longer fuselage) with winglets and an extra cabin window pair.
Full Specs Comparison
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| Spec / Model | Beechcraft King Air 300 | Beechcraft King Air 350 |
|---|---|---|
|
|
|
| Price Range | $500,000 – $2,575,000 | $1,850,000 – $7,100,000 |
| Category | Multi Engine Turboprop | Multi Engine Turboprop |
| Model Specifications | ||
| Seats | 9 | 11 |
| Cruise Speed | 295 kts (546 km/h) | 295 kts (546 km/h) |
| Range | 1,700 nm (3,148 km) | 1,806 nm (3,345 km) |
| Service Ceiling | 35,000 ft (10,668 m) | 35,000 ft (10,668 m) |
| Max Gross Weight | 14,000 lbs (6,350 kg) | 15,000 lbs (6,804 kg) |
| Useful Load | 4,200 lbs (1,905 kg) | 5,400 lbs (2,449 kg) |
| Fuel Capacity | 544.0 gal (2059 L) | 544.0 gal (2059 L) |
| Fuel Burn | 85.0 GPH (322 L/h) | 85.0 GPH (322 L/h) |
| TBO | 3,600 hrs | 3,600 hrs |
| Overhaul Cost | $400,000 | $450,000 |
| Annual Fixed | $200,000 | $220,000 |
| Hourly Variable | $1,050 | $1,100 |
| Engines | 2 x Turboprop | 2 x Turboprop |
Cost of Ownership
EstimateBeechcraft King Air 300
Fuel$468/hr
Variable$1,050/hr
Annual Fixed$200,000/yr
Total (200 hrs/yr)
$410,000/yr
Beechcraft King Air 350
Fuel$468/hr
Variable$1,100/hr
Annual Fixed$220,000/yr
Total (200 hrs/yr)
$440,000/yr
Which Should You Buy: Beechcraft King Air 300 or Beechcraft King Air 350?
Bottom line: Choose the 350 for the larger stand-up cabin, winglets and the youngest large-King-Air fleet — the segment leader. Choose the 300 only for materially lower acquisition cost on a smaller out-of-production variant.
Pick the King Air 300 if…
- Budget matters — from $500,000 vs $1,850,000, you save ~$1,350,000.
- Lower operating cost — ~$1050/hr vs $1100/hr.
Pick the King Air 350 if…
- More seats — 11 vs 9.
- Longer range — 1806 nm vs 1700 nm.
- Newer design — production from 1990 vs 1984.
- More inventory — 75 listings vs 17.
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 300 or Beechcraft King Air 350?
It depends on your mission and budget.
The King Air 300 cruises at 295 kts with 1,700 nm range.
The King Air 350 cruises at 295 kts with 1,806 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Beechcraft King Air 300: from $1,895,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Beechcraft King Air 300 and Beechcraft King Air 350?
Seats: 9 vs 11.
Cruise: 295 vs 295 kts.
Range: 1700 vs 1806 nm.
Which is cheaper to operate per hour?
King Air 300: about $1050/hr variable cost.
King Air 350: about $1100/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 300: 9 seats / 4,200 lb useful load.
King Air 350: 11 seats / 5,400 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 300: 3,600-hour TBO, overhaul ~$400,000.
King Air 350: 3,600-hour TBO, overhaul ~$450,000.
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