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Boeing 757 vs PA-34 Seneca

Boeing 757 vs PA-34 Seneca at a glance — top speed 853 vs 378 km/h, range 7,250 vs 1,611 km, max takeoff weight 115,666 vs 2,155 kg, built 1,050 vs 5,037 units.

Boeing 757 military transport aircraft side profile drawing
🇺🇸 Boeing 757
Piper PA-34 Seneca military transport aircraft side profile drawing
🇺🇸 PA-34 Seneca
Specifications
Boeing 757 PA-34 Seneca
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Transport Aircraft Military Transport Aircraft
Manufacturer Boeing Piper
First flight 19 February 1982 25 April 1967
Year introduced 1983 1971
Number produced 1050 units 5037 units
Average unit price $85 million --
Wing area 181.3 m² 19.4 m²
Wingspan 38.0 m 11.9 m
Height 11.0 m 3.0 m
Length 47.3 m 8.7 m
Maximum speed 853 km/h 378 km/h
Operational range 7,250 km 1,611 km
Service ceiling 12,802 m 7,620 m
Max. takeoff weight 115,666 kg 2,155 kg
Empty weight 58,900 kg 1,457 kg
Total thrust 2 x 18,915 kgf 2 x 164 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Boeing 757 or PA-34 Seneca?
The Boeing 757 is faster with a maximum speed of 853 km/h compared to the PA-34 Seneca's 378 km/h, a difference of 475 km/h.
Which has longer range, the Boeing 757 or PA-34 Seneca?
The Boeing 757 has a longer range at 7,250 km compared to the PA-34 Seneca's 1,611 km.
Which can fly higher, the Boeing 757 or PA-34 Seneca?
The Boeing 757 has a higher service ceiling at 12,802 meters (42,001 ft) compared to the PA-34 Seneca's 7,620 meters (25,000 ft).
Which is heavier, the Boeing 757 or PA-34 Seneca?
The Boeing 757 has a higher maximum takeoff weight at 115,666 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the Boeing 757 or PA-34 Seneca?
The Boeing 757 is longer at 47.3 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the Boeing 757 or PA-34 Seneca?
The PA-34 Seneca entered service first in 1971, 12 years before the Boeing 757 which entered service in 1983.
Which has been built in greater numbers, the Boeing 757 or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 1,050 units of the Boeing 757.