The tax on cars is still based on engine capacity.

【capacity】汽车税仍然按引擎的功率大小来征收。

It has 6- cylinders and its' engine capacity is 16.2 litre MAN D42. And its' engine power is 790 hp(581 kW).

它有 6 缸，发动机排量为 16.2 升 MAN D42。其发动机功率为790马力（581千瓦）。