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B-1A vs M-4 Bison

B-1A vs M-4 Bison at a glance — top speed 2,124 vs 947 km/h, range 9,800 vs 5,600 km, max takeoff weight 179,169 vs 181,500 kg, built 4 vs 123 units.

Rockwell B-1A bombers side profile drawing
🇺🇸 B-1A
Myasishchev M-4 Bison bombers side profile drawing
🇷🇺 M-4 Bison
Specifications
B-1A M-4 Bison
Origin country 🇺🇸 United States 🇷🇺 Ex-USSR
Category Bombers Bombers
Manufacturer Rockwell Myasishchev
First flight 23 December 1974 20 January 1953
Year introduced -- 1953
Number produced 4 units 123 units
Average unit price $70 million $8 million
Wing area 594.0 m² 326.4 m²
Wingspan 41.7 m 50.5 m
Height 10.4 m 14.1 m
Length 52.0 m 47.2 m
Maximum speed 2124 km/h 947 km/h
Operational range 9,800 km 5,600 km
Service ceiling 18,900 m 11,000 m
Max. takeoff weight 179,169 kg 181,500 kg
Empty weight 86,183 kg 79,700 kg
Total thrust 4 x 13,608 kgf 4 x 9,525 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the B-1A or M-4 Bison?
The B-1A is faster with a maximum speed of 2,124 km/h compared to the M-4 Bison's 947 km/h, a difference of 1,177 km/h.
Which has longer range, the B-1A or M-4 Bison?
The B-1A has a longer range at 9,800 km compared to the M-4 Bison's 5,600 km.
Which can fly higher, the B-1A or M-4 Bison?
The B-1A has a higher service ceiling at 18,900 meters (62,007 ft) compared to the M-4 Bison's 11,000 meters (36,089 ft).
Which is heavier, the B-1A or M-4 Bison?
The M-4 Bison has a higher maximum takeoff weight at 181,500 kg compared to the B-1A's 179,169 kg.
Which is larger, the B-1A or M-4 Bison?
The B-1A is longer at 52.0 meters compared to the M-4 Bison's 47.2 meters.
Which is more expensive, the B-1A or M-4 Bison?
The B-1A is more expensive at approximately $70 million per unit compared to the M-4 Bison at $8.0 million.
Which has been built in greater numbers, the B-1A or M-4 Bison?
The M-4 Bison has been produced in greater numbers with 123 units compared to 4 units of the B-1A.