N3
で言うと
でいうと
In terms of, If you put it in terms of
このバイクは、車で言うとランボルギーニみたいなものだ。
If we say it's a car, this bike is something like a Lamborghini.
Explanation
「で言うと」 has 2 uses
1Converted into / compared with
Noun (a system: age, currency, language...) + で言うと: converting into, or comparing with, a system the listener knows.
統計で言うと、客の７０％が観光客だ。
In terms of statistics, 70% of the customers are tourists.
このバイクは、車で言うとランボルギーニみたいなものだ。
If we say it's a car, this bike is something like a Lamborghini.
2To put it briefly
Fixed phrases 「一言で言うと」, 「わかりやすい言葉で言うと」: to put it in a word, in simple terms.
一言で言うと彼は本当に凄い人だ。
In a word, he is an amazing person.
わかりやすい言葉で言うと俺は上司だが、君は部下だ。
To put it in simple words, I am the superior and you are the subordinate.