Foxtrot vs Improved Kilo

The Foxtrot and the Improved Kilo are both Submarine classes. Displacement is 1,983 tons for the Foxtrot vs 2,325 tons for the Improved Kilo. The Foxtrot reaches 16 knots vs 12 knots for the Improved Kilo. Operational range is 20,000 nautical miles for the Foxtrot vs 7,500 for the Improved Kilo. The Foxtrot carries a crew of 78 vs 52 for the Improved Kilo. Submerged displacement is 2,515 tons for the Foxtrot vs 3,075 tons for the Improved Kilo. The Improved Kilo can dive to 300 m compared to 296 m for the Foxtrot. The Foxtrot was produced in 75 units vs 75 for the Improved Kilo. The Foxtrot was commissioned in 1958, 22 years before the Improved Kilo (1980).

Ex-USSR submarine, 1958 introduction year, propelled by three diesel engines and three electric motors.
Origin 🇨🇳 Ex-USSR
Category Submarine
Type Diesel-electric patrol submarines
Manufacturer Sudomekh
Year introduced 1958
Number built 75 units
Estimated unit price NA
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
Displacement 1,983 tons â—‰
Maximum speed 16.0 knots â—‰
Range 20,000 nm at 8 knots â—‰
Length 89.9 m â—‰
Beam 7.4 m â—‰
Crew 78 â—‰
Max depth 296 m â—‰
Propulsion 3 × Kolomna 2D42M 2,000 hp (1,500 kW) diesel engines; 3 × Electric motors (two 1,350 hp and one 2,700 hp); 1 × 180 hp auxiliary motor; 3 shafts
Armament
  • 10 x torpedo tubes (6 bow, 4 stern)
  • 22 torpedoes
Displacement 2,325 tons â—‰
Maximum speed 12.0 knots â—‰
Range 7,500 nm at 7 knots â—‰
Length 72.6 m â—‰
Beam 9.9 m â—‰
Crew 52 â—‰
Max depth 300 m â—‰
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

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Foxtrot-class or Improved Kilo-class?
The Improved Kilo-class has greater displacement at 2,325 tons compared to the Foxtrot-class's 1,983 tons.
Which is faster, the Foxtrot-class or Improved Kilo-class?
The Foxtrot-class is faster with a maximum speed of 16 knots compared to the Improved Kilo-class's 12 knots.
Which has longer range, the Foxtrot-class or Improved Kilo-class?
The Foxtrot-class has a longer range at 20,000 nautical miles compared to the Improved Kilo-class's 7,500 nautical miles.
Which is longer, the Foxtrot-class or Improved Kilo-class?
The Foxtrot-class is longer at 89.9 meters compared to the Improved Kilo-class's 72.6 meters.
How many crew members do the Foxtrot-class and Improved Kilo-class have?
The Foxtrot-class has a larger crew complement of 78 compared to the Improved Kilo-class's 52 crew members.
Which can dive deeper, the Foxtrot-class or Improved Kilo-class?
The Improved Kilo-class can dive deeper with a maximum depth of 300 meters compared to the Foxtrot-class's 296 meters.
Which has been built in greater numbers, the Foxtrot-class or Improved Kilo-class?
Both the Foxtrot-class and Improved Kilo-class have been built in equal numbers with 75 vessels each.