True.
However width is also an issue - unless you have a Perry proportioned figure, they would not fit in a 1/56 jeep.
In saying that, Empress and Spectre's stuff aren't as wide as other manufacturers. Oddly those companies chose to go with 1/50th rather than 1/56th however.
I prefer 1/56th, as anything larger just looks enormous. Among other issues, the the driver's feet can't reach the peddles unless they have bricks attached to their shoes make the soldiers look like children when placed next to 1/50th. Unfortunately that's the scale which most modern stuff has standardised on.
...Which begs the question why this Kickstarter's chosen to go with 1/56th instead of what the majority of complementary vehicles are scaled in. Unless they're fine with people mixing scales, though if that's the case then why bother going with the "proper" scale if things are going to look weird regardless?