Improved Kilo vs Reis
The Improved Kilo and the Reis are both Submarine classes. Displacement is 2,325 tons for the Improved Kilo vs 1,860 tons for the Reis. The Improved Kilo reaches 12 knots vs 10 knots for the Reis. Operational range is 7,500 nautical miles for the Improved Kilo vs 12,000 for the Reis. The Improved Kilo carries a crew of 52 vs 27 for the Reis. Submerged displacement is 3,075 tons for the Improved Kilo vs 2,013 tons for the Reis. The Improved Kilo was produced in 75 units vs 2 for the Reis. Cost per hull is $200M for the Improved Kilo vs $2,174M for the Reis. The Improved Kilo was commissioned in 1980, 44 years before the Reis (2024).
| 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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| Displacement | 1,860 tons ◉ |
| Maximum speed | 10.0 knots ◉ |
| Range | 12,000 nm ◉ |
| Length | 68.4 m ◉ |
| Beam | 6.3 m ◉ |
| Crew | 27 ◉ |
| Max depth | NA |
| Propulsion | 3,900 kW (5,200 hp) Siemens Permasyn main engine, 2× MTU 16V 396SE 64L diesel generators, 2× batteries (324 Type 30PS15B), 2× 120 kW (160 hp) Siemens fuel cells |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Improved Kilo-class or Reis-class?
The Improved Kilo-class has greater displacement at 2,325 tons compared to the Reis-class's 1,860 tons.
Which is faster, the Improved Kilo-class or Reis-class?
The Improved Kilo-class is faster with a maximum speed of 12 knots compared to the Reis-class's 10 knots.
Which has longer range, the Improved Kilo-class or Reis-class?
The Reis-class has a longer range at 12,000 nautical miles compared to the Improved Kilo-class's 7,500 nautical miles.
Which is longer, the Improved Kilo-class or Reis-class?
The Improved Kilo-class is longer at 72.6 meters compared to the Reis-class's 68.3 meters.
How many crew members do the Improved Kilo-class and Reis-class have?
The Improved Kilo-class has a larger crew complement of 52 compared to the Reis-class's 27 crew members.
Which is more expensive, the Improved Kilo-class or Reis-class?
The Reis-class is more expensive at approximately $2.2 billion per unit compared to the Improved Kilo-class at $200 million.
Which has been built in greater numbers, the Improved Kilo-class or Reis-class?
The Improved Kilo-class has been built in greater numbers with 75 vessels compared to 2 vessels of the Reis-class.