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Austin vs San Antonio

Austin vs San Antonio at a glance — displacement 16,914 vs 25,300 tons, length 173 vs 208 m, speed 21 vs 22 knots, crew 420 vs 361.

Specifications
Austin San Antonio
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Amphibious transport dock Amphibious transport dock
Manufacturer New York Naval Shipyard Avondale Shipyard
Year introduced 1965 2006
Number built 12 units 13 units
Estimated unit price $235 million $1,602 million
Displacement 16,914 tons 25,300 tons
Maximum speed 21.0 knots 22.0 knots
Range 7,000 nm at 20 knots 8,000 nm at 18 knots
Length 173.0 m 208.0 m
Beam 32.0 m 32.0 m
Crew 420 361
Performance Radar Chart
Armament & Systems
Austin San Antonio
Armament
  • 2 × 25 mm Mk 38 guns
  • 2 × Phalanx CIWS
  • 8 × .50-calibre machine guns
  • 2 x Bushmaster II close-in-guns
  • 2 x RIM-116 Rolling Airframe Missile launchers
  • 2 x 8 cell Mark 41 Vertical Launching System (not fitted)
  • Several twin M2 Browning machine gun turrets
Propulsion 2 × boilers, 2 × steam turbines, 2 × shafts, 24,000 shp (18,000 kW) Four sequentially turbocharged marine Colt-Pielstick diesel engines, two shafts, 41,600 shp
Change comparison vs

Frequently Asked Questions

Which has greater displacement, the Austin-class or San Antonio-class?
The San Antonio-class has greater displacement at 25,300 tons compared to the Austin-class's 16,914 tons.
Which is faster, the Austin-class or San Antonio-class?
The San Antonio-class is faster with a maximum speed of 22 knots compared to the Austin-class's 21 knots.
Which has longer range, the Austin-class or San Antonio-class?
The San Antonio-class has a longer range at 8,000 nautical miles compared to the Austin-class's 7,000 nautical miles.
Which is longer, the Austin-class or San Antonio-class?
The San Antonio-class is longer at 208.0 meters compared to the Austin-class's 173.0 meters.
How many crew members do the Austin-class and San Antonio-class have?
The Austin-class has a larger crew complement of 420 compared to the San Antonio-class's 361 crew members.
Which is more expensive, the Austin-class or San Antonio-class?
The San Antonio-class is more expensive at approximately $1.6 billion per unit compared to the Austin-class at $235 million.
Which has been built in greater numbers, the Austin-class or San Antonio-class?
The San Antonio-class has been built in greater numbers with 13 vessels compared to 12 vessels of the Austin-class.