Dark coffee Americanos look fundamentally the same as and have comparative measures of caffeine. Yet are made in altogether different ways.
Dark coffee made by utilizing the pour-over technique which requires heated water to trickle through fine grounds at a moderately moderate pace. You need to do this until the point that you get some espresso (generally 8oz to 12oz).
Americanos are distinctive in that their establishment is a coffee, where steam is constrained through coffee beans to create a coffee shot (generally 1oz) and after that it is weakened with high temp water to either 8oz or 12oz.
Dark Coffees (particularly pour overs) are by and large smoother while Americanos have more extravagant tastes.