Todays Tank the Russian Tier 8 Super Heavy Tank the KV5.
Both EU and SEA get the same bundle with a garage slot and 3,450 Gold. The SEA server also has two rather more expensive bundles. It also has the KV5 with slot only in the vehicles section of the premium shop. EU may get the Tank only deal later in the day. NA is now up and is the KV5 with garage slot only.