GlobalMilitary.net Open-source military intelligence Updated daily
Head-to-head

Akula vs Sierra

Akula vs Sierra at a glance — displacement 8,140 vs 7,200 tons, length 110 vs 107 m, speed 10 vs 10 knots, crew 73 vs 61.

Akula submarine side profile drawing
🇷🇺 Akula
Sierra submarine side profile drawing
🇷🇺 Sierra
Specifications
Akula Sierra
Origin 🇷🇺 Ex-USSR 🇷🇺 Ex-USSR
Category Submarine Submarine
Type Nuclear-powered attack submarine Nuclear-powered attack submarine
Manufacturer Komsomolsk-on-Amur Krasnoye Sormovo
Year introduced 1984 1984
Number built 15 units 4 units
Estimated unit price $1,550 million NA
Displacement 8,140 tons 7,200 tons
Maximum speed 10.0 knots 10.0 knots
Range Unlimited Unlimited
Length 110.3 m 107.2 m
Beam 13.6 m 12.3 m
Crew 73 61
Max depth 600 m 600 m
Performance Radar Chart
Armament & Systems
Akula Sierra
Armament
  • 4 x 533 mm torpedo tubes (28 torpedoes)
  • 4 x 650 mm torpedo tubes (12 torpedoes)
  • 1–3 x Igla-M surface-to-air missile launcher
  • Granat cruise missiles
  • Kalibr cruise missiles
  • Type 53 torpedoes
  • RPK-2 missile
  • RPK-6 missile
  • Type 65 torpedoes
  • RPK-7 missile
  • Naval 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 one 190 MW OK-650B/OK-650M pressurized water nuclear reactor, 1 OK-7 steam turbine 43,000 hp (32 MW), 2 OK-2 Turbo generators producing 2 MW, 1 seven-bladed propeller, 2 OK-300 retractable electric propulsors 1 × PWR, 190 MW (HEU <= 45%), 2 × 1,002 hp (747 kW) emergency motors, 1 shaft, 2 spinners
Change comparison vs
Related Comparisons
Akula vs Los Angeles Akula vs Improved Kilo Akula vs Kilo Akula vs Type 209 Akula vs Sang-O Akula vs Sturgeon

Frequently Asked Questions

Which has greater displacement, the Akula-class or Sierra-class?
The Akula-class has greater displacement at 8,140 tons compared to the Sierra-class's 7,200 tons.
Which is faster, the Akula-class or Sierra-class?
The Sierra-class is faster with a maximum speed of 10 knots compared to the Akula-class's 10 knots.
Which has longer range, the Akula-class or Sierra-class?
Both the Akula-class and Sierra-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Akula-class or Sierra-class?
The Akula-class is longer at 110.3 meters compared to the Sierra-class's 107.2 meters.
How many crew members do the Akula-class and Sierra-class have?
The Akula-class has a larger crew complement of 73 compared to the Sierra-class's 61 crew members.
Which can dive deeper, the Akula-class or Sierra-class?
The Sierra-class can dive deeper with a maximum depth of 600 meters compared to the Akula-class's 600 meters.
Which has been built in greater numbers, the Akula-class or Sierra-class?
The Akula-class has been built in greater numbers with 15 vessels compared to 4 vessels of the Sierra-class.