Financial research concept

Auto Finance Net Credit Loss Rate

Auto finance net credit loss rate measures realized net credit losses as a percentage of average auto loans held for investment.

By Lee BaileyPublished Sep 25, 2026

Research context

See what supports this page, how current it is, and where comparable or historical context is available.

Research date: Sep 25, 2026Use the dated article and cited sources for the definition, examples, and stated limitations.
Operating-model context: 23 connected conceptsPart of the reviewed Used Auto Retail & Finance Economics; issuer definitions remain distinct where disclosed.
Company examples: 1 reviewed companyRelationships reflect supported examples, not a normalized cross-company KPI ranking.

CarMax example
What the rate captures
Realized loss versus expected loss
Part of the Used Auto Retail & Finance Economics
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Auto finance net credit loss rate measures realized net credit losses relative to the average auto-loan portfolio held for investment.

A common form is:

net credit loss rate = net credit losses ÷ average auto loans held for investment

CarMax example

CarMax Auto Finance reported $396.9 million of net credit losses in fiscal 2026, equal to 2.34% of average auto loans held for investment. The comparable rate was 2.03% in fiscal 2025.

What the rate captures

The metric combines default incidence and loss severity after recoveries.

That means it should be read with:

Past-Due Account Rate;
Auto Finance Average Recovery Rate;
underwriting and credit mix; and
collateral values.

Realized loss versus expected loss

Net credit loss rate records realized portfolio performance. The allowance for loan losses is an estimate of expected future losses and can move before charge-offs occur.

Those are different analytical questions.

Primary source: CarMax fiscal 2026 Form 10-K.

A rising loss rate can pressure finance income even when interest margin expands.

Part of the Used Auto Retail & Finance Economics

Connect used-vehicle demand, pricing, sourcing, digital transaction mix, wholesale disposition, operating leverage, finance penetration, lending spread, and credit performance across an integrated used-auto retailer.

Browse the full operating model in Company Analysis →

Where this concept fits

Finance origination, spread, and credit performanceCurrent relationship
Net finance penetration and net auto loans originated show how retail sales feed the lending book, interest margin and its rate show lending spread economics, finance income shows the resulting segment contribution after included credit and direct costs, and past-due, net credit loss, and recovery rates show portfolio performance and loss severity.
Auto Finance Average Recovery Rate Auto Finance Income Auto Finance Interest Margin Auto Finance Interest Margin Rate Net Auto Loans OriginatedAuto Finance Net Credit Loss RateCurrent conceptAuto Finance Net Penetration Rate Auto Finance Past-Due Account Rate
Retail volume, pricing, margin, and operating leverage
Retail unit sales and comparable-store unit growth show demand, average selling price shows transaction value, used-vehicle gross profit per unit shows front-end merchandising margin, and SG&A per total unit plus SG&A as a percent of gross profit show how transaction economics convert through the retailer's overhead base.
Used Auto Comparable Store Unit Sales Growth Used Auto Retail Average Selling Price Used Auto Retail Unit Sales Used Auto SG&A as a Percent of Gross Profit Used Auto SG&A per Total Unit Used-Vehicle Gross Profit per Unit
Sourcing, digital channel mix, and wholesale disposition
Vehicle purchases from consumers and dealers show inventory sourcing, digitally enabled, omni, and online sales rates show how customers move through the transaction funnel, extended protection plan revenue adds attached-product economics, and wholesale units, selling price, and gross profit per unit show the disposition path for vehicles sold to dealers.
Digitally Enabled Transaction Rate Extended Protection Plan Revenue Used Auto Omni Sales Rate Used Auto Online Retail Sales Rate Vehicle Purchases from Consumers Vehicle Purchases from Dealers Used Auto Wholesale Average Selling Price Used Auto Wholesale Gross Profit per Unit Used Auto Wholesale Unit Sales

See It in Company Research

These companies are examples of how the concept is reported or discussed in public filings. Definitions can differ by issuer; these links open company research rather than a normalized metric comparison.

KMXOpen operating-model research →23 of 23 reviewed concepts in Used Auto Retail & Finance EconomicsFinance origination, spread, and credit performance8 of 8 bridge concepts supportedContinue through this bridge:Auto Finance Average Recovery Rate Auto Finance Income Auto Finance Interest Margin Auto Finance Interest Margin Rate Auto Finance Net Penetration Rate Auto Finance Past-Due Account Rate Net Auto Loans Originated

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