C-390 Millennium vs PA-34 Seneca

The C-390 Millennium and the PA-34 Seneca are both Military Transport Aircraft, manufactured by Embraer and Piper respectively. The C-390 Millennium reaches 980 km/h — 2.6x the PA-34 Seneca's 378 km/h. The C-390 Millennium has an operational range of 5,020 km vs 1,611 km for the PA-34 Seneca. The C-390 Millennium operates at altitudes up to 11,000 m compared to 7,620 m for the PA-34 Seneca. At 72,000 kg MTOW, the C-390 Millennium is 33:1 the PA-34 Seneca's 2,155 kg. The C-390 Millennium has been produced in 11 units vs 5,037 for the PA-34 Seneca. The PA-34 Seneca first flew 58 years before the C-390 Millennium (1967 vs 2025).

Brazilian medium military transport aircraft, introduced in the 2010s, designed for airlift and aerial refueling.
Embraer C-390 Millennium Transport profile drawing
Origin country 🇧🇷 Brazil
Category Military Transport Aircraft
Manufacturer Embraer
First flight 30 August 2025
Year introduced 2019
Number produced 11 units
Average unit price $140 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
Wing area -- m²
Wingspan 35.1 m
Height 10.3 m
Length 33.9 m
Maximum speed 980 km/h
Operational range 5,020 km
Service ceiling 11,000 m
Max. takeoff weight 72,000 kg
Empty weight -- kg
Total thrust 2 x 13,154 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 C-390 Millennium or PA-34 Seneca?
The C-390 Millennium is faster with a maximum speed of 980 km/h compared to the PA-34 Seneca's 378 km/h, a difference of 602 km/h.
Which has longer range, the C-390 Millennium or PA-34 Seneca?
The C-390 Millennium has a longer range at 5,020 km compared to the PA-34 Seneca's 1,611 km.
Which can fly higher, the C-390 Millennium or PA-34 Seneca?
The C-390 Millennium has a higher service ceiling at 11,000 meters (36,089 ft) compared to the PA-34 Seneca's 7,620 meters (25,000 ft).
Which is heavier, the C-390 Millennium or PA-34 Seneca?
The C-390 Millennium has a higher maximum takeoff weight at 72,000 kg compared to the PA-34 Seneca's 2,155 kg.
Which is larger, the C-390 Millennium or PA-34 Seneca?
The C-390 Millennium is longer at 33.9 meters compared to the PA-34 Seneca's 8.7 meters.
Which entered service first, the C-390 Millennium or PA-34 Seneca?
The PA-34 Seneca entered service first in 1971, 48 years before the C-390 Millennium which entered service in 2019.
Which has been built in greater numbers, the C-390 Millennium or PA-34 Seneca?
The PA-34 Seneca has been produced in greater numbers with 5,037 units compared to 11 units of the C-390 Millennium.