Yan, the measurements:


According to the Tamiya web site:

Leopard 2 A6 688mm Long x 237mm W x (Height not shown)



According to the Hobby Engine literature:

Leopard 2 A5 635mm Long x 230 Wide x 220High


Please note that the Tam version is the longer barrelled A6 model which has a bearing on the overall length anyway.