APR vs Interest Rate: What to Compare on a Mortgage

The short answer: compare APR, not just the interest rate 

Shopping for a mortgage is smart – the problem isn’t comparing lenders, it’s knowing what to compare. When you’re shopping for a mortgage, you’re going to see two numbers thrown at you constantly: the interest rate and the APR. 

They’re close, but never the same, and most first-time buyers assume they’re basically interchangeable. They’re not, and confusing the two can lead you to think you’re getting a better deal than you are.

Let’s clear it up so you can shop smarter.

What Is a Mortgage Interest Rate? 

Your mortgage interest rate is the percentage the lender charges you to borrow money. It directly determines your monthly principal and interest payment, nothing more, nothing less.

So, if you’re comparing two lenders and one offers 6.75% while the other offers 7.00%, the 6.75% loan will have the lower monthly payment. Simple enough. But here’s where a lot of first-time homebuyers stop the comparison, and that’s a mistake.

The interest rate tells you what your monthly payment looks like. It doesn’t tell you what the loan costs.

What APR Actually Includes

APR, Annual Percentage Rate, is a broader measure of what you’re paying over the life of the loan. It wraps the interest rate together with most of the fees and costs required to get the mortgage, then expresses the total as a yearly percentage.

Those additional costs typically include:

• Origination fees: what the lender charges to process your loan
• Discount points: prepaid interest used to buy down your rate
• Mortgage broker fees (if applicable)
• Certain closing costs required by the lender

The result? APR is almost always higher than the interest rate. And that gap between the two numbers is telling you something important.

How to Know if a Lower Rate is Actually Worth It

A key insight: the wider the gap between a lender’s interest rate and their APR, the more fees they’re charging you. A small gap signals low fees; a large gap signals significant upfront costs baked into the loan. 

Here’s how a Gershman loan officer would actually walk you through this. Say you’re choosing between two offers on a $350,000 loan:

• Lender A: 6.75% interest rate, 6.85% APR. That’s a small gap,  meaning low fees.
• Lender B: 6.50% interest rate, 7.10% APR. That’s a large gap, and a signal that you’re paying significant upfront costs to buy that lower rate.

Lender B’s monthly payment looks more attractive on the surface, but you might be paying thousands of dollars in fees and points to get there. The question that actually matters is: how long until you break even on those costs?

Run the break-even math 

If Lender B’s lower rate saves you $80 a month but costs $6,000 more upfront, that’s 75 months — more than six years — before you come out ahead. Sell, refinance, or pay off the loan before then, and the “better rate” actually cost you more.

This is the kind of comparison most borrowers never see because no one shows them how to do it. It takes about five minutes and changes how you look at every offer on the table.

This is why comparing APR across lenders, not just the interest rate, gives you a much more honest apples-to-apples comparison of what each loan actually costs.

Shop the APR, Not Just the Rate

When you’re comparing loan offers, look at the Loan Estimate document every lender is required to provide to you within three days of application. It breaks down the interest rate, APR, and all associated fees in a standardized format — making side-by-side comparisons straightforward.

A lender advertising a jaw-dropping rate is worth a second look. Check the APR. Check the fees. The real cost of a mortgage lives in both numbers together, not just the one that looks best in the headline.

Frequently Asked Questions About APR

Why is my APR higher than my interest rate? 

Because APR includes lender fees and certain closing costs on top of the interest rate. The interest rate reflects only the cost of borrowing the money itself, while APR rolls in the additional charges required to get the loan, giving you a fuller picture of the total cost. A higher APR relative to the rate means more fees are baked into the loan.

Does a lower APR always mean a better mortgage? 

Generally, yes, when comparing loans with the same term and type, but context matters. If a lower APR is achieved by paying discount points upfront, you need to calculate your break-even point. Divide the upfront cost by your monthly savings to see how many months it takes to recoup those fees. If you plan to move or refinance before that point, the lower APR loan may actually cost you more.

Do all mortgage fees show up in the APR? 

Not all of them. APR includes lender-required fees, but costs like title insurance, appraisal fees, homeowner’s insurance, and prepaid property taxes are typically excluded. That’s why it’s still important to review the full Loan Estimate, not just the APR, when comparing offers. APR is a better comparison tool than the interest rate alone, but it’s not the complete picture of everything you’ll pay at closing.

What’s a good APR for a first-time homebuyer? 

A “good” APR depends on the current rate environment, your credit score, loan type, and down payment amount. Rather than chasing a specific number, focus on comparing APRs across multiple lenders for the same loan type and term. Getting quotes from at least three lenders and working with a lender who will walk you through the Loan Estimates side by side is the most reliable way to know if you’re getting a competitive offer.

Not sure how to pull this together? 

That’s exactly what a Gershman loan officer does with you – before you commit to anything. 

Find one today. 

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At Gershman Mortgage, communities, families, and homes are at the heart of what we do. Built on the core values of honesty, integrity, entrepreneurial spirit, and customer-first service, we’re committed to providing an exceptional homebuying experience. Our goal is simple: to exceed expectations and build lifelong relationships.

NMLS #138063 16253 Swingley Ridge Road Suite 200 Chesterfield, MO 63017 (800) 457-2357 Equal Housing Lender. Serving borrowers in: Alabama, Arkansas, Colorado, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Nebraska, North Carolina, North Dakota, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Wisconsin

Written by Kaylee Larson for Gershman Mortgage