757 vs PA-34 Seneca

The 757 and the PA-34 Seneca are both Military Transport Aircraft, manufactured by Boeing and Piper respectively. The 757 reaches 853 km/h — 2.3x the PA-34 Seneca's 378 km/h. The 757 has an operational range of 7,250 km vs 1,611 km for the PA-34 Seneca. The 757 operates at altitudes up to 12,802 m compared to 7,620 m for the PA-34 Seneca. At 115,666 kg MTOW, the 757 is 54:1 the PA-34 Seneca's 2,155 kg. The 757 has been produced in 1,050 units vs 5,037 for the PA-34 Seneca. The PA-34 Seneca first flew 15 years before the 757 (1967 vs 1982).

757

American narrow-body jet airliner, commercially operational since the 1980s, extensively deployed for transcontinental and transatlantic routes.
Boeing 757 Transport profile drawing
Origin country 🇺🇸 United States
Category Military Transport Aircraft
Manufacturer Boeing
First flight 19 February 1982
Year introduced 1983
Number produced 1050 units
Average unit price $85 million
American twin-engined light aircraft, renowned for its versatility, extensively used for flight training and personal use since the 1970s.
Piper PA-34 Seneca Transport profile drawing
Origin country 🇺🇸 United States
Category Military Transport Aircraft
Manufacturer Piper
First flight 25 April 1967
Year introduced 1971
Number produced 5037 units
Average unit price $-- million

757

Wing area 181.3 m²
Wingspan 38.0 m
Height 11.0 m
Length 47.3 m
Maximum speed 853 km/h
Operational range 7,250 km
Service ceiling 12,802 m
Max. takeoff weight 115,666 kg
Empty weight 58,900 kg
Total thrust 2 x 18,915 kgf
Wing area 19.4 m²
Wingspan 11.9 m
Height 3.0 m
Length 8.7 m
Maximum speed 378 km/h
Operational range 1,611 km
Service ceiling 7,620 m
Max. takeoff weight 2,155 kg
Empty weight 1,457 kg
Total thrust 2 x 164 kW

Performance Radar Chart

Frequently Asked Questions

Which is faster, the 757 or PA-34 Seneca?
The 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 757 or PA-34 Seneca?
The 757 has a longer range at 7,250 km compared to the PA-34 Seneca's 1,611 km.
Which can fly higher, the 757 or PA-34 Seneca?
The 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 757 or PA-34 Seneca?
The 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 757 or PA-34 Seneca?
The 757 is longer at 47.3 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the 757 or PA-34 Seneca?
The PA-34 Seneca entered service first in 1971, 12 years before the 757 which entered service in 1983.
Which has been built in greater numbers, the 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 757.