Cessna 340 vs Cessna 310

The Cessna 310, 340, and 421 form the classic cabin-class piston twin ladder. The 310 is the fast, light entry point; the pressurized 340 adds cabin comfort and altitude capability; and the 421 Golden Eagle is the largest, geared-engine flagship. Owners move up this ladder as their need for cabin space, pressurization, and payload grows.

Full Specs Comparison

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Spec / Model Cessna 340 Cessna 310
Cessna 340
View 77 listings →
Median $317,000
View 41 listings →
Median $152,000
Price Range $90,000 – $1,650,000 $79,950 – $270,000
Category Multi Engine Piston
Model Specifications
Seats 6 5
Horsepower 240 HP
Cruise Speed 195 kts (361 km/h) 190 kts (352 km/h)
Range 1,180 nm (2,185 km) 800 nm (1,482 km)
Service Ceiling 29,800 ft (9,083 m)
Max Gross Weight 5,990 lbs (2,717 kg) 12,500 lbs (5,670 kg)
Useful Load 1,840 lbs (835 kg) 1,700 lbs (771 kg)
Fuel Capacity 163.0 gal (617 L)
Fuel Burn 28.0 GPH (106 L/h) 22.0 GPH (83 L/h)
TBO 1,500 hrs 1,500 hrs
Overhaul Cost $40,000 $38,000
Annual Fixed $28,000 $25,000
Hourly Variable $320 $280
Engines 2 x Piston (Turbocharged) 2 x Reciprocating

Cost of Ownership

Estimate

Cessna 340

Fuel$154/hr
Variable$320/hr
Annual Fixed$28,000/yr
Total (200 hrs/yr) $92,000/yr

Cessna 310

Fuel$121/hr
Variable$280/hr
Annual Fixed$25,000/yr
Total (200 hrs/yr) $81,000/yr

Which Should You Buy: Cessna 340 or Cessna 310?

Bottom line: The 310 suits owners wanting twin-engine speed without pressurization overhead. The 340 is the sweet spot for pressurized comfort in a manageable airframe, while the 421 is for those needing maximum cabin-class room and payload, accepting the higher operating cost of its geared engines.

Pick the 340 if…

  • More seats — 6 vs 5.
  • Faster cruise — 195 kts vs 190 kts.
  • Longer range — 1180 nm vs 800 nm.
  • Newer design — production from 1972 vs 1956.
  • More inventory — 77 listings vs 41.

Pick the 310 if…

  • Budget matters — from $79,950 vs $90,000, you save ~$10,050.
  • Lower operating cost — ~$280/hr vs $320/hr.

Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.

Frequently Asked Questions

Which is better, Cessna 340 or Cessna 310?
It depends on your mission and budget. The 340 cruises at 195 kts with 1,180 nm range. The 310 cruises at 190 kts with 800 nm range. Review the specs table above to find which fits your flying profile.
How do prices compare?
Cessna 340: from $169,900. Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Cessna 340 and Cessna 310?
340 engine: Continental TSIO-520-K. 310 engine: Continental O-470-B;O-470-M (240 hp). Seats: 6 vs 5. Cruise: 195 vs 190 kts. Range: 1180 vs 800 nm.
Which is cheaper to operate per hour?
340: about $320/hr variable cost. 310: about $280/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?
340: 6 seats / 1,840 lb useful load. 310: 5 seats / 1,700 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?
340: 1,500-hour TBO, overhaul ~$40,000. 310: 1,500-hour TBO, overhaul ~$38,000. 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