The Auto-Bonker has a Auto-Smasher body, which is noticeably smaller than normal. The turret stays the same size.
The Auto-Bonker has the same upgrades as the Auto-Smasher, and it has an upgrade cap of 12. Like the Auto-Smasher, it can invest in bullet stats. The turret’s FoV stays the same. Like the Bonker, it has slightly faster movement speed, but with less acceleration, FoV, and health.