Opinions will always vary, and are dependent upon the test conditions provided.
Over 10k Abrams have been built,and over 8k currently serve with the USMC and US Army.
Only 450 Challenger 2 tanks are in service with the British Army.
The M1 has the best combat record of any modern main battle tank,in the World today.Thats a true story.M1s have been lost,but M1s have made scrap yards out of other nations tanks.Sure,this was against inferior tanks,but it still got the job done,and a M1 has never been destroyed by another tank.Insurgants and road sides bombs have destroyed M1s,though.
M1A2 is the more advanced model.
this answer is not ture for many reason one. the m1a1 is a out dated verison of the m1a2 and the most advanced tank in the world is the British Challenger 2
That information is classified.
M1A2 Abrams. 68 tons of steel.
Depends on what tank you are referring to. The M1A2 Abrams tank has 120 mm (4.72 inches) of armour.
M1a2 stats: 125mm smoothbore cannon,1500 hp and manual loader
The biggest tank in the world would probably be the US M1A2 Abrams main battle tank.
It is among the most advanced in production, though it's not the only such tank in existence.
120mm smoothbore tank ammo, 12.7x99 (.50 BMG), and 7.62x51.
The Challenger. Although the Abrams is one of the three best in the world, the Challenger has greater accuracy, greater offroad speed, superior armour and improved firepower. American tank armour is made by a British company and acted for the Challenger's armour's prototype. Challenger armour has been improvd twice since then.
The M1A2 costs $6.21 million per, although there have since been upgrade programmes which have likely made the tank more expensive.
M1A2 and M1A1 Abrams. There MIGHT still be some M60A3 tanks in use with the National Guard.