This is the 10602nd most frequent Swedish word.
kostade
"Costed" or "cost."
Here, 'kostade' refers to the simple past tense indicating the price the car had in a completed transaction.
Bilen kostade 200,000 kronor.
The car cost 200,000 kronor.
In this question, 'kostade' is used to inquire about the price of an item or service in the past.
Hur mycket kostade lunchen igår?
How much did the lunch cost yesterday?
The word 'kostade' here conveys the implication of expense or expenditure associated with the vacation in past terms.