The AutoTram Extra Grand was a prototype of a bi-articulated passenger bus.

It was over 30 metres (100 feet) long and had a maximum capacity of 256 passengers (96 seats), making it the largest passenger bus in the world.

[3] It received wide attention during public test drives, but never went into active service.

[4] After being sold to Kirov Plant, they went bankrupt again in October 2014, and the company was liquidated.

[5] The AutoTram Extra Grand was unveiled in Dresden, Germany, in August 2012.