The BA-6 armored car was the replacement for the BA-3. The BA-6 was 2,205 lb / 1,000 kg lighter and the suspension was stronger.
The BA-6 body was constructed from riveted and welded construction on a shortened GAZ AAA chassis.
A track could be placed over the rear sets of dual wheels which would turn it into a form of half track. This allowed for the BA-6 to have better cross country abilities.
The BA-6 shared the same turret as the T-26 light tank. A few had the turret of the BT-3. The BA-6 had a periscope in the turret roof for the commander.