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Sang-O vs Sierra

Sang-O vs Sierra at a glance — displacement 275 vs 7,200 tons, length 34 vs 107 m, speed 7 vs 10 knots, crew 15 vs 61.

Sierra submarine side profile drawing
🇷🇺 Sierra
Specifications
Sang-O Sierra
Origin 🇰🇵 North Korea 🇷🇺 Ex-USSR
Category Submarine Submarine
Type Coastal submarine Nuclear-powered attack submarine
Manufacturer Bong Dao Bo Shipyard, Sinpo Krasnoye Sormovo
Year introduced 1991 1984
Number built 41 units 4 units
Estimated unit price NA NA
Displacement 275 tons 7,200 tons
Maximum speed 7.5 knots 10.0 knots
Range 1,500 nm Unlimited
Length 34.0 m 107.2 m
Beam 3.8 m 12.3 m
Crew 15 61
Max depth 150 m 600 m
Performance Radar Chart
Armament & Systems
Sang-O Sierra
Armament
  • 4 × 533 mm torpedo tubes with 53-65KE torpedoes
  • Minelaying capability (up to 16 mines)
  • 4 × 650 mm (26 in) torpedo tubes (only Sierra I)
  • 4 × 530 mm (21 in) torpedo tubes (6 x Sierra II)
  • SS-N-21 Sampson SLCM
  • SS-N-15 Starfish anti-submarine weapon
  • SS-N-16 Stallion
  • 42 mines (instead of torpedoes)
Propulsion Diesel-electric, 1 diesel engine, 1 electric motor, 1 shaft 1 × PWR, 190 MW (HEU <= 45%), 2 × 1,002 hp (747 kW) emergency motors, 1 shaft, 2 spinners
Change comparison vs
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Frequently Asked Questions

Which has greater displacement, the Sang-O-class or Sierra-class?
The Sierra-class has greater displacement at 7,200 tons compared to the Sang-O-class's 275 tons.
Which is faster, the Sang-O-class or Sierra-class?
The Sierra-class is faster with a maximum speed of 10 knots compared to the Sang-O-class's 7 knots.
Which has longer range, the Sang-O-class or Sierra-class?
The Sierra-class is nuclear-powered with unlimited range, while the Sang-O-class has a range of 1,500 nautical miles.
Which is longer, the Sang-O-class or Sierra-class?
The Sierra-class is longer at 107.2 meters compared to the Sang-O-class's 34.0 meters.
How many crew members do the Sang-O-class and Sierra-class have?
The Sierra-class has a larger crew complement of 61 compared to the Sang-O-class's 15 crew members.
Which can dive deeper, the Sang-O-class or Sierra-class?
The Sierra-class can dive deeper with a maximum depth of 600 meters compared to the Sang-O-class's 150 meters.
Which has been built in greater numbers, the Sang-O-class or Sierra-class?
The Sang-O-class has been built in greater numbers with 41 vessels compared to 4 vessels of the Sierra-class.