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CarMax Auto Finance reported a weighted-average contract rate of 11.8% for CarMax’s fiscal second quarter 2027, up 60 basis points from the prior-year quarter. The number is useful because it shows the borrowing environment inside one major used-car retailer’s finance business—but it is not a national average auto-loan APR and not the rate every CarMax customer received.
What CarMax reported
For the three months ended August 31, 2026, CarMax Auto Finance reported $2.27 billion of net auto loans originated. After the effect of three-day payoffs, CAF financed 40.9% of CarMax units sold. The company also said CAF financed 22% of its Tier 2 volume, compared with 10% a year earlier.
| CAF metric | Q2 FY2027 | Prior-year quarter |
|---|---|---|
| Weighted-average contract rate | 11.8% | 11.2% |
| Net auto loans originated | $2.27 billion | $2.04 billion |
| Net financing penetration | 40.9% | 42.6% |
| CarMax Auto Finance income | $135.6 million | $102.6 million |
Why the difference between interest rate and APR matters
The CFPB explains that an auto loan’s interest rate is the cost paid each year to borrow the money, expressed as a percentage. APR includes the interest rate plus certain loan fees and therefore can be more useful when comparing offers.
That means a consumer evaluating an auto loan should not compare a lender’s advertised interest rate with another lender’s APR as if they are the same measure. Compare like with like and read the required loan disclosures.
Monthly payment is only one part of affordability
A monthly payment can be lowered by stretching the loan over more months, but a longer term can increase total interest paid and can leave the borrower owing on the vehicle for longer. CFPB guidance recommends comparing the amount financed, APR or rate, loan term, monthly payment and total cost—not monthly payment alone.
The vehicle itself is only part of the household cost. Insurance, taxes, registration, fuel, repairs, maintenance and depreciation can materially change the true ownership burden.
Why used-car prices and financing costs interact
CarMax reported an average retail used-vehicle selling price of $27,623 in the same quarter, up 6.3% from a year earlier. A higher vehicle price increases the amount that may need to be financed if the down payment and trade-in value do not rise with it. A higher borrowing rate then raises the cost of financing that balance.
This is why vehicle affordability can tighten even when buyers continue purchasing cars: households may adjust down payments, choose different vehicles, accept longer terms, use trade-in equity or allocate more monthly cash flow to transportation.
Credit tier and borrower profile matter
Auto-loan pricing depends on more than the vehicle. Credit history, income, debt load, loan term, down payment, vehicle age, lender policy and other underwriting factors can affect the offered rate and approval terms.
A company-level average blends many individual loans together. It should not be used to estimate what a specific borrower will qualify for. For credit basics, see How Credit Scores and Credit Reports Work.
How to compare auto-loan offers
Before signing, compare the same core fields across lenders:
- vehicle price and amount financed;
- APR and interest rate;
- loan term in months;
- monthly payment;
- total of payments and total interest where disclosed;
- origination or other finance charges;
- prepayment terms and late-payment consequences.
Preapproval from a bank or credit union can also give a shopper a benchmark before dealer financing is presented. The goal is not automatically to choose the smallest monthly payment; it is to understand the full financing cost and whether the payment fits the household budget.
What the CarMax figure tells us—and what it does not
The 11.8% weighted-average contract rate tells us that CarMax Auto Finance’s mix of originated loans carried a higher average contract rate than in the comparable quarter a year earlier. It does not establish that national auto-loan rates are 11.8%, that every used-car borrower is paying that rate, or that any particular shopper should expect it.
As an EconomicHQ signal, it reinforces a broader lesson: car affordability depends on both vehicle prices and financing conditions. Consumers should evaluate both before deciding what vehicle price fits their finances.
Continue learning
Read How Interest Rates Work, Cost of Living Explained, and explore the Credit & Debt hub.
Sources & methodology
- CarMax — Second Quarter Fiscal 2027 Results, September 29, 2026
- CFPB — Difference between an interest rate and APR
- CFPB — How to compare auto-loan offers
This article is general consumer-finance education. It does not provide individualized lending, credit or vehicle-purchase advice.
EconomicHQ standard
Sources, dates, and methodology matter.
EconomicHQ prioritizes primary sources for consequential financial and economic claims and identifies reporting periods for changing information. This article is educational and does not provide individualized financial, investment, tax, legal, or credit advice.