Los Angeles vs Sierra
Overview
The Los Angeles and the Sierra are both Submarine classes.
Displacement is 6,082 tons for the Los Angeles vs 7,200 tons for the Sierra. The Los Angeles reaches 15 knots vs 10 knots for the Sierra. Operational range is 99,999 nautical miles for the Los Angeles vs 99,999 for the Sierra. The Los Angeles carries a crew of 129 vs 61 for the Sierra. Submerged displacement is 6,927 tons for the Los Angeles vs 8,300 tons for the Sierra. The Sierra can dive to 600 m compared to 450 m for the Los Angeles.
The Los Angeles was produced in 62 units vs 4 for the Sierra. The Los Angeles was commissioned in 1976, 8 years before the Sierra (1984).
| United States nuclear attack submarine, introduced in 1976, displaced 6,082 tons. | |
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| Origin | 🇺🇸 United States |
| Category | Submarine |
| Type | Nuclear attack submarine |
| Manufacturer | Newport News Shipbuilding |
| Year introduced | 1976 |
| Number built | 62 units |
| Estimated unit price | $900 million |
| Displacement | 6,082 tons ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 110.0 m ◉ |
| Beam | 10.0 m ◉ |
| Crew | 129 ◉ |
| Max depth | 450 m ◉ |
| Propulsion | 1 × S6G nuclear reactor (150–165 MW), 2 × steam turbines (30,000–33,500) shp, 1 × shaft, 1 × secondary propulsion motor 325 hp (242 kW) |
| Armament |
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| Displacement | 7,200 tons ◉ |
| Maximum speed | 10.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 107.2 m ◉ |
| Beam | 12.3 m ◉ |
| Crew | 61 ◉ |
| Max depth | 600 m ◉ |
| Propulsion | 1 × PWR, 190 MW (HEU <= 45%), 2 × 1,002 hp (747 kW) emergency motors, 1 shaft, 2 spinners |
| Armament |
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Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Los Angeles-class or Sierra-class?
The Sierra-class has greater displacement at 7,200 tons compared to the Los Angeles-class's 6,082 tons.
Which is faster, the Los Angeles-class or Sierra-class?
The Los Angeles-class is faster with a maximum speed of 15 knots compared to the Sierra-class's 10 knots.
Which has longer range, the Los Angeles-class or Sierra-class?
Both the Los Angeles-class and Sierra-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Los Angeles-class or Sierra-class?
The Los Angeles-class is longer at 110.0 meters compared to the Sierra-class's 107.2 meters.
How many crew members do the Los Angeles-class and Sierra-class have?
The Los Angeles-class has a larger crew complement of 129 compared to the Sierra-class's 61 crew members.
Which can dive deeper, the Los Angeles-class or Sierra-class?
The Sierra-class can dive deeper with a maximum depth of 600 meters compared to the Los Angeles-class's 450 meters.
Which has been built in greater numbers, the Los Angeles-class or Sierra-class?
The Los Angeles-class has been built in greater numbers with 62 vessels compared to 4 vessels of the Sierra-class.