ยท After thinking about this, I came up with the following though (split in 3 points):
1. Firepower
Massive Vehicle are slow but also offer heavy firepower (3 dice). This lead me to think that a heavier attack or dual attack is mandatory
Like the IG / BT1, a solution could be an "auto-focus" before they attack. A default +2hit or +3 could also be scary!
But my favorite solution might be to give them the same ability than Luke (Called
Heroic:
Once during your activation, you may perform an attack without spending an action) or assault.
Having 2 attack is a way to make them hard hitter without dealing 10 damages on the single attack. So, the natural defense bonus cloud still be use (you can still dodge one of them ...)
2. Speed
Both Fix (Vader and IG) also grant movement point and this will be surely a thing we should see.
3. Cost
The last thing that could be change is the cost. A 2 or 3 point discount is nice, but keeping them high also reduce the number of them in the army.
Fixing error