Which is the power of engine and maximum speed Chrysler 200 2.0 1978?

There is no Chrysler 200 model from 1978. The Chrysler 200 nameplate didn't exist until much later (2011). In 1978, Chrysler offered a variety of other models like the Cordoba, LeBaron, Newport, and New Yorker. To get the engine power and top speed information, you'll need to specify the correct Chrysler model from that year.