This is the 3356th most frequent Spanish word.
costará
"Costará" means "it will cost."
In this sentence, 'costará' refers to an estimate of the amount of time something will require, drawing a metaphorical parallel to monetary cost.
Esto costará más tiempo del esperado.
This will cost more time than expected.
Here, 'costará' specifically denotes the future monetary value needed to purchase the car.
El nuevo coche costará alrededor de veinte mil euros.
The new car will cost around twenty thousand euros.
In this instance, 'costará' metaphorically indicates the effort or difficulty involved in adapting, extending the concept of cost to effort.