Improved Kilo vs S-80 Plus

Overview

The Improved Kilo and the S-80 Plus are both Submarine classes.

Displacement is 2,325 tons for the Improved Kilo vs 2,695 tons for the S-80 Plus. The Improved Kilo reaches 12 knots vs 12 knots for the S-80 Plus. Operational range is 7,500 nautical miles for the Improved Kilo vs 4,320 for the S-80 Plus. The Improved Kilo carries a crew of 52 vs 32 for the S-80 Plus. Submerged displacement is 3,075 tons for the Improved Kilo vs 2,965 tons for the S-80 Plus. The S-80 Plus can dive to 460 m compared to 300 m for the Improved Kilo.

The Improved Kilo was produced in 75 units vs 2 for the S-80 Plus. Cost per hull is $200M for the Improved Kilo vs $1,041M for the S-80 Plus. The Improved Kilo was commissioned in 1980, 43 years before the S-80 Plus (2023).

Improved Kilo

Russian attack submarine, introduced in 1980, uses diesel-electric propulsion.
Origin 🇷🇺 Russia
Category Submarine
Type Attack submarine
Manufacturer Rubin Design Bureau
Year introduced 1980
Number built 75 units
Estimated unit price $200 million
View full Improved Kilo details

S-80 Plus

Spanish submarine, introduced in 2023, reaches speeds of 12 knots using air-independent propulsion.
Origin 🇪🇸 Spain
Category Submarine
Type Submarine with air-independent propulsion
Manufacturer Navantia
Year introduced 2023
Number built 2 units
Estimated unit price $1,041 million
View full S-80 Plus details

Improved Kilo

Displacement 2,325 tons ◉
Maximum speed 12.0 knots ◉
Range 7,500 nm at 7 knots ◉
Length 72.6 m ◉
Beam 9.9 m ◉
Crew 52 ◉
Max depth 300 m ◉
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
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

S-80 Plus

Displacement 2,695 tons ◉
Maximum speed 12.0 knots ◉
Range 4,320 nm ◉
Length 81.1 m ◉
Beam 11.7 m ◉
Crew 32 ◉
Max depth 460 m ◉
Propulsion 1 shaft Etanol-AIP; 3 bio-ethanol engines (3 × 1,200 kW) MTU-16V-396SE-85L; 1 electric motor (3,500 kW), 1 AIP fuel cell unit (300 kW); Vulkan couplings RATO-S G-561W
Armament
  • 6 × 533 mm torpedo tubes
  • DM2A4 Torpedoes
  • Mark 48 Torpedoes (option)
  • Black Shark Torpedoes (option)
  • Spearfish Torpedoes (option)
  • Torped 2000 Torpedoes (option)
  • UGM-84 Sub-Harpoon block II anti-ship missiles (option)
  • Exocet anti-ship missiles (option)
  • Joint Strike Missile (studies)
  • Tomahawk cruise missiles (option)
  • Cylindrical multi-influence mines
  • MINEA smart bottom mines

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Improved Kilo-class or S-80 Plus-class?
The S-80 Plus-class has greater displacement at 2,695 tons compared to the Improved Kilo-class's 2,325 tons.
Which is faster, the Improved Kilo-class or S-80 Plus-class?
The S-80 Plus-class is faster with a maximum speed of 12 knots compared to the Improved Kilo-class's 12 knots.
Which has longer range, the Improved Kilo-class or S-80 Plus-class?
The Improved Kilo-class has a longer range at 7,500 nautical miles compared to the S-80 Plus-class's 4,320 nautical miles.
Which is longer, the Improved Kilo-class or S-80 Plus-class?
The S-80 Plus-class is longer at 81.0 meters compared to the Improved Kilo-class's 72.6 meters.
How many crew members do the Improved Kilo-class and S-80 Plus-class have?
The Improved Kilo-class has a larger crew complement of 52 compared to the S-80 Plus-class's 32 crew members.
Which can dive deeper, the Improved Kilo-class or S-80 Plus-class?
The S-80 Plus-class can dive deeper with a maximum depth of 460 meters compared to the Improved Kilo-class's 300 meters.
Which is more expensive, the Improved Kilo-class or S-80 Plus-class?
The S-80 Plus-class is more expensive at approximately $1.0 billion per unit compared to the Improved Kilo-class at $200 million.
Which has been built in greater numbers, the Improved Kilo-class or S-80 Plus-class?
The Improved Kilo-class has been built in greater numbers with 75 vessels compared to 2 vessels of the S-80 Plus-class.

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