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Improved Kilo vs Oscar II

Oscar II submarine side profile drawing
🇷🇺 Oscar II
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Specifications
Improved Kilo Oscar II
Origin 🇷🇺 Russia 🇷🇺 Ex-USSR
Category Submarine Submarine
Type Attack submarine Nuclear-powered cruise missile submarine
Manufacturer Rubin Design Bureau Sevmash
Year introduced 1980 1980
Number built 75 units 14 units
Estimated unit price $200 million NA
Displacement 2,325 tons 12,500 tons
Maximum speed 12.0 knots 15.0 knots
Range 7,500 nm at 7 knots Unlimited
Length 72.6 m 155.0 m
Beam 9.9 m 18.2 m
Crew 52 94
Max depth 300 m 520 m
Performance Radar Chart
Armament & Systems
Improved Kilo Oscar II
Armament
  • 6 × 533 mm (21 in) torpedo tubes
  • 18 torpedoes
  • 4 Kalibr/Club land-attack cruise missile, anti-ship missile and anti-submarine missile (some versions)
  • 24 mines
  • 8 9K34 Strela-3 (SA-N-8 Gremlin) or 8 9K310 Igla-1 (SA-N-10 Gimlet) surface-to-air missiles
  • 4 × 533 mm and 2 × 650 mm torpedo tubes in bow
  • 28 × 533 mm and 650 mm weapons, including RPK-2 Vyuga, RPK-6 Vodopad/RPK-7 Veter, Type 40 anti-submarine torpedo or 32 ground mines
  • 24 × P-700 Granit cruise missiles
  • 4 × 100 Mt Poseidon nuclear-powered, nuclear-armed drones
Propulsion Diesel-electric propulsion; 2 × 1000 kW diesel generators; 1 × 5,500–6,800 shp (4,100–5,100 kW) propulsion motor; 1 × fixed-pitch 6-bladed or 7-bladed propeller 2 × pressurized water cooled reactors, HEU ≤ 45%; 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts

Overview

The Improved Kilo and the Oscar II are both Submarine classes.

The Oscar II displaces 12,500 tons — 5.4x the Improved Kilo's 2,325 tons. The Improved Kilo reaches 12 knots vs 15 knots for the Oscar II. Operational range is 7,500 nautical miles for the Improved Kilo vs 99,999 for the Oscar II. The Improved Kilo carries a crew of 52 vs 94 for the Oscar II. Submerged displacement is 3,075 tons for the Improved Kilo vs 16,500 tons for the Oscar II. The Oscar II can dive to 520 m compared to 300 m for the Improved Kilo.

The Improved Kilo was produced in 75 units vs 14 for the Oscar II.

Related Comparisons
Improved Kilo vs Kilo Improved Kilo vs Type 209 Improved Kilo vs Los Angeles Improved Kilo vs Victor III Improved Kilo vs Sang-O Improved Kilo vs Sturgeon

Frequently Asked Questions

Which has greater displacement, the Improved Kilo-class or Oscar II-class?
The Oscar II-class has greater displacement at 12,500 tons compared to the Improved Kilo-class's 2,325 tons.
Which is faster, the Improved Kilo-class or Oscar II-class?
The Oscar II-class is faster with a maximum speed of 15 knots compared to the Improved Kilo-class's 12 knots.
Which has longer range, the Improved Kilo-class or Oscar II-class?
The Oscar II-class is nuclear-powered with unlimited range, while the Improved Kilo-class has a range of 7,500 nautical miles.
Which is longer, the Improved Kilo-class or Oscar II-class?
The Oscar II-class is longer at 155.0 meters compared to the Improved Kilo-class's 72.6 meters.
How many crew members do the Improved Kilo-class and Oscar II-class have?
The Oscar II-class has a larger crew complement of 94 compared to the Improved Kilo-class's 52 crew members.
Which can dive deeper, the Improved Kilo-class or Oscar II-class?
The Oscar II-class can dive deeper with a maximum depth of 520 meters compared to the Improved Kilo-class's 300 meters.
Which has been built in greater numbers, the Improved Kilo-class or Oscar II-class?
The Improved Kilo-class has been built in greater numbers with 75 vessels compared to 14 vessels of the Oscar II-class.