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Sierra vs Victor III

Sierra vs Victor III at a glance — displacement 7,200 vs 6,990 tons, length 107 vs 107 m, speed 10 vs 14 knots, crew 61 vs 100.

Sierra submarine side profile drawing
🇷🇺 Sierra
Victor III submarine side profile drawing
🇷🇺 Victor III
Specifications
Sierra Victor III
Origin 🇷🇺 Ex-USSR 🇷🇺 Ex-USSR
Category Submarine Submarine
Type Nuclear-powered attack submarine Nuclear-powered attack submarine
Manufacturer Krasnoye Sormovo Sudomekh Shipyard
Year introduced 1984 1978
Number built 4 units 25 units
Estimated unit price NA NA
Displacement 7,200 tons 6,990 tons
Maximum speed 10.0 knots 14.0 knots
Range Unlimited Unlimited
Length 107.2 m 107.1 m
Beam 12.3 m 10.0 m
Crew 61 100
Max depth 600 m 400 m
Performance Radar Chart
Armament & Systems
Sierra Victor III
Armament
  • 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)
  • 2 bow torpedo tubes, 650 mm (6 weapons – Type 88R / SS-N-16 Stallion ASW missiles, Type 65-76 torpedoes)
  • 4 bow torpedo tubes, 533 mm (18 weapons – Type 83RN / Type 53-65K / USET-80 torpedoes, Type 84RN / SS-N-15 Starfish ASW missiles, VA-111 Shkval rocket torpedoes, MG-74 Korund and Siren decoys, or up to 36 naval mines)
Propulsion 1 × PWR, 190 MW (HEU <= 45%), 2 × 1,002 hp (747 kW) emergency motors, 1 shaft, 2 spinners One VM-4P pressurized-water twin nuclear reactor (2x75 MW), 2 sets OK-300 steam turbines; 1 7-bladed or 2 4-bladed props; 31,000 shp (23,000 kW) at 290 shaft rpm
Change comparison vs
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Frequently Asked Questions

Which has greater displacement, the Sierra-class or Victor III-class?
The Sierra-class has greater displacement at 7,200 tons compared to the Victor III-class's 6,990 tons.
Which is faster, the Sierra-class or Victor III-class?
The Victor III-class is faster with a maximum speed of 14 knots compared to the Sierra-class's 10 knots.
Which has longer range, the Sierra-class or Victor III-class?
Both the Sierra-class and Victor III-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Sierra-class or Victor III-class?
The Sierra-class is longer at 107.2 meters compared to the Victor III-class's 107.1 meters.
How many crew members do the Sierra-class and Victor III-class have?
The Victor III-class has a larger crew complement of 100 compared to the Sierra-class's 61 crew members.
Which can dive deeper, the Sierra-class or Victor III-class?
The Sierra-class can dive deeper with a maximum depth of 600 meters compared to the Victor III-class's 400 meters.
Which has been built in greater numbers, the Sierra-class or Victor III-class?
The Victor III-class has been built in greater numbers with 25 vessels compared to 4 vessels of the Sierra-class.