>

The A6 have the newer L/55 gun..
Massive firepower upgrade + new optics
How many is a company? >

According to German media it's a company. 14 tanks. >

Same as Poland then. Poland will send their 30-40 year old 2A4s instead of their modernized ones tho (the german ones are 2A6s, which is the version build in the 2000s).