Arihant vs Improved Kilo
The Arihant and the Improved Kilo are both Submarine classes. The Arihant displaces 6,000 tons — 2.6x the Improved Kilo's 2,325 tons. The Arihant reaches 15 knots vs 12 knots for the Improved Kilo. Operational range is 99,999 nautical miles for the Arihant vs 7,500 for the Improved Kilo. The Arihant carries a crew of 95 vs 52 for the Improved Kilo. Submerged displacement is 7,000 tons for the Arihant vs 3,075 tons for the Improved Kilo. The Arihant can dive to 450 m compared to 300 m for the Improved Kilo. The Arihant was produced in 4 units vs 75 for the Improved Kilo. Cost per hull is $470M for the Arihant vs $200M for the Improved Kilo. The Arihant was commissioned in 2016, 36 years after the Improved Kilo (1980).
| Indian nuclear-powered submarine, introduced in 2016, displaces 6,000 tons and has a crew of 95. | |
| Origin | 🇮🇳 India |
| Category | Submarine |
| Type | Nuclear-powered ballistic missile submarine |
| Manufacturer | Ship Building Centre (SBC) |
| Year introduced | 2016 |
| Number built | 4 units |
| Estimated unit price | $470 million |
| Displacement | 6,000 tons ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 111.0 m ◉ |
| Beam | 11.0 m ◉ |
| Crew | 95 ◉ |
| Max depth | 450 m ◉ |
| Propulsion | 1 x CLWR-B1 pressurized water reactor (83 MW-100MW), 1 x shaft |
| Armament |
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| 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 |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Arihant-class or Improved Kilo-class?
The Arihant-class has greater displacement at 6,000 tons compared to the Improved Kilo-class's 2,325 tons.
Which is faster, the Arihant-class or Improved Kilo-class?
The Arihant-class is faster with a maximum speed of 15 knots compared to the Improved Kilo-class's 12 knots.
Which has longer range, the Arihant-class or Improved Kilo-class?
The Arihant-class is nuclear-powered with unlimited range, while the Improved Kilo-class has a range of 7,500 nautical miles.
Which is longer, the Arihant-class or Improved Kilo-class?
The Arihant-class is longer at 111.0 meters compared to the Improved Kilo-class's 72.6 meters.
How many crew members do the Arihant-class and Improved Kilo-class have?
The Arihant-class has a larger crew complement of 95 compared to the Improved Kilo-class's 52 crew members.
Which can dive deeper, the Arihant-class or Improved Kilo-class?
The Arihant-class can dive deeper with a maximum depth of 450 meters compared to the Improved Kilo-class's 300 meters.
Which is more expensive, the Arihant-class or Improved Kilo-class?
The Arihant-class is more expensive at approximately $470 million per unit compared to the Improved Kilo-class at $200 million.
Which has been built in greater numbers, the Arihant-class or Improved Kilo-class?
The Improved Kilo-class has been built in greater numbers with 75 vessels compared to 4 vessels of the Arihant-class.