M1 Abrams (United States): The M1 Abrams is a third-generation MBT known for its excellent firepower, mobility, and protection. It is equipped with a 120mm main gun, a powerful engine, and a sophisticated composite armor package. The M1 Abrams has been used extensively by the United States and its allies in combat operations, including the Gulf War, the Iraq War, and the War in Afghanistan.
Leopard 2 (Germany): The Leopard 2 is a German-designed MBT that is widely regarded as one of the most capable tanks in the world. It features a 120mm main gun, a reliable engine, and a modular armor system that allows for easy customization. The Leopard 2 has been exported to several countries and has seen combat in various conflicts, including the Kosovo War and the Syrian Civil War.
Challenger 2 (United Kingdom): The Challenger 2 is a British MBT known for its superior armor protection. It is equipped with a 120mm main gun, a powerful engine, and a unique Chobham armor package that provides excellent protection against both kinetic and chemical projectiles. The Challenger 2 has been deployed by the United Kingdom in combat operations, including the Gulf War, the Iraq War, and the War in Afghanistan.
T-14 Armata (Russia): The T-14 Armata is a next-generation MBT developed by Russia. It features a 125mm main gun, a powerful engine, and a cutting-edge active protection system. The T-14 Armata is notable for its unmanned turret, which allows for a reduced crew size and improved survivability. While the T-14 Armata has not yet seen combat, it has attracted considerable attention for its advanced design and capabilities.
These are just a few examples of some of the most capable tanks currently in service. Each tank has its own strengths and weaknesses, and the "best" tank ultimately depends on the specific requirements and preferences of the user.