Your large down payment has decreased your car insurance by a huge amount.
Your sizable down payment will lessen the total cost of your purchase.
はみ出した金額は頭金ではらいます
the amount that protrudes (stands out) is paid
by the down payment
頭金は合計金額を減らします。
The down payment will decrease the total amount.
あなたの多額の頭金はあなたの自動車保険を
大幅に減らしました。
Your large down payment has decreased your
car insurance by a huge amount.
多額の頭金を支払うことで、購入の総費用が削減されます。
Your sizable down payment will lessen
the total cost of your purchase.
アメリカ合衆国 
