APR vs interest rate: two numbers on every loan offer, one that matters more
Every loan offer shows two numbers that sound similar and rarely match: the interest rate and the APR. The interest rate is the cost of borrowing the money; the APR adds the mandatory fees on top. When you compare two loans, the APR is the one to trust.
The interest rate is straightforward: it is the percentage the lender charges on the amount you borrow, and it is what your monthly payment is calculated from. The APR, or annual percentage rate, takes that same rate and folds in mandatory fees — most commonly the origination fee — expressing the whole package as one annualized cost. That is why a loan's APR is almost always a bit higher than its stated interest rate.
The gap between the two numbers tells you how fee-heavy a loan is. A loan with a 9% rate and a 9.1% APR carries almost no fees. A loan with a 9% rate and an 11% APR is charging a meaningful origination fee, even if the marketing leads with the lower, more attractive rate. Comparing two offers by rate alone can make a fee-loaded loan look cheaper than it is — comparing by APR does not.
The one place this gets confusing is mortgages, where APR also factors in some closing costs and can vary with your loan term in ways that make cross-lender APR comparisons less clean than for a personal or auto loan. Even so, APR remains the better single number for comparing offers of the same loan type and term length; use rate alone only to estimate your raw monthly payment once you have already chosen a lender.
One case where the two numbers can look identical: a loan with zero origination fee and no other mandatory charges will show the same rate and APR, because there is nothing for the APR calculation to add. That is one reason no-fee lenders — several profiled in our lender reviews — advertise "rate = APR" as a selling point.
Questions people ask
Should I compare loans by rate or by APR?
APR, always, when the loans are the same type and term. It folds in mandatory fees, so it reflects the true annual cost — a lower headline rate can still be the more expensive loan once its fees are counted.
Why is my APR higher than my interest rate?
Because the APR includes fees — most often the origination fee — spread across the loan and expressed as part of the annual cost. The bigger the fee relative to the loan amount, the wider the gap between rate and APR.
Can APR ever be lower than the interest rate?
In practice, no — APR is calculated to be equal to or higher than the interest rate, never lower. If you see them presented as equal, the loan likely carries no origination fee or other mandatory charge.
Is APR the same across all loan types?
The concept is the same, but what counts toward it varies — mortgage APR can include certain closing costs, while a personal loan's APR is mostly just rate plus origination fee. Compare APR within the same loan type and term for the cleanest read.