Two lenders can quote very different monthly payments without disagreeing about the price of money. One may assume a larger deposit, a longer term or fewer costs included in the payment. Comparing the headline figures first can send you toward the wrong questions.
Build a common starting line
Place the quotations side by side and mark the purchase price, loan amount, term, rate type and quotation date. Then identify whether taxes, insurance and any mortgage insurance are included in each payment. A blank field is a question for the lender, not permission to insert zero.
In the United States, the CFPB’s Loan Estimate comparison guide explains how to compare upfront lender costs and the five-year figures. Those forms and rules are US-specific; elsewhere, request the equivalent itemised disclosure and local explanation.
Ask about the cost of the lower rate
Consider a simplified illustration: one offer requires 1,500 more upfront and reduces the comparable monthly payment by 25. Dividing gives 60 months before those payment savings equal that extra charge. This rough calculation ignores interest timing, taxes, changing rates and other differences. It is a conversation starter, not a complete recommendation.
Ask what happens if you sell, refinance or repay early. Also ask which quoted costs are lender charges, which are third-party estimates, and which are prepaid amounts you would owe anyway. These categories can make two totals look different for reasons unrelated to loan value.
Finish with a written question list rather than a winning lender selected from one number. A useful quote lets you explain the payment, the cash needed at completion and the conditions under which either could change. If those remain unclear, the comparison is not ready.