Oryan
Stinger Enthusiast
ZF built the transmission in the coupe so no it is not the same and not even a derivative of it. Level 10 does Optima/Sonata transmissions for them to handle the turbo upgrades Lap3 has for them.
ZF built the 6AT in the BK1 3.8. The 8AT in the BK2s are not ZF transmissions. Hyundai basically copied the ZF 8-speed as much as they could get away with in developing it, but Hyundai's 8ATs are all their own creation. The GC got one version, The sedans got another.