KV Vehicle question

Hey, all you knowledgeable Kra'Vak commanders, what's the difference
between

DSM 114 AVRAZH medium Grav APC - pack of 3 (SF25-39)

and

DSM 123 VIRNAZH medium Grav APC/MICV - pack of 3

At least as far as aesthetics goes, or even function?

Noah