Presale Report  ·  Expected close 2026-10-21
Pricing pending. Final tranche sizing (e.g. A-2a / A-2b split), coupons, spreads, and WALs populate after the pricing FWP and final 424B5 are filed — typically 2–5 business days before close. This report auto-refreshes on the next daily pipeline run after each new filing lands.

CarMax Auto Owner Trust 2026-4 Auto Loan prime PRELIMINARY · CLOSES 2026-10-21

Notes
$1,000.0MM
Pool
$1,002.5MM
Reserve
0.25%
AAA Sub
5.0%
Sponsor: CarMax Business Services, LLC  ·  Servicer: CarMax Business Services, LLC  ·  Trustee: U.S. Bank Trust Company, National Association

Capital Structure

ClassSize ($MM)% of PoolSub %CPN / SpreadWALLegal FinalS&PFitch
Class A-1190.019.0%80.8%——2027-10-15A-1+F1+
Class A-2349.534.9%45.9%——2030-02-15AAAAAA
Class A-3349.534.9%11.1%——2032-01-15AAAAAA
Class A-460.96.1%5.0%——2032-12-15AAAAAA
Class B17.51.7%3.2%——2032-12-15AAAA
Class C19.11.9%1.3%——2032-12-15AA
Class D13.51.3%0.0%——2033-10-17BBBBBB

Transaction Parties

SponsorCarMax Business Services, LLC
ServicerCarMax Business Services, LLC
Depositor / TransferorCarMax Auto Funding LLC
Indenture TrusteeU.S. Bank Trust Company, National Association
Owner TrusteeWilmington Trust, National Association
Asset Rep. ReviewerClayton Fixed Income Services LLC
UnderwritersMUFG Securities Americas, BofA Securities, Mizuho Securities, TD Securities, Academy Securities, CIBC Capital Markets, Loop Capital Markets, Truist Securities

Issuer Track Record

CAOT 2026-4CAOT 2026-3CAOT 2026-2CAOT 2026-1CAOT 2025-4CAOT 2025-3
Collateral (pool at cut-off)
Closing date2026-10-212026-07-222026-04-292026-01-282025-10-222025-07-23
Pool balance$1,002.5MM$1,353.4MM$1,180.9MM$1,306.5MM$1,306.5MM$1,457.3MM
WA Credit Score766+6765764760759758
WA APR9.01%+0.28pp8.41%8.65%8.73%9.40%9.20%
WA original term mo67.3+0.267.1 mo67.1 mo67.1 mo66.2 mo66.5 mo
% new vehicles0.0%0.0%0.0%0.0%0.0%0.0%
Reserve %0.25%0.25%0.25%0.25%0.25%0.25%
Geo top-3CA 17.3%
TX 10.5%
FL 6.4%
CA 18.2%
TX 10.4%
FL 6.5%
CA 18.5%
TX 10.5%
FL 7.1%
CA 17.6%
TX 10.1%
FL 6.8%
CA 17.2%
TX 9.8%
FL 6.7%
CA 17.4%
TX 9.6%
FL 7.3%
Structure (at issuance)
AAA spread——+45 bps+37 bps+41 bps+37 bps
AAA % of pool75.8%+0.1pp72.8%77.1%70.9%77.0%75.7%
Subordination below AAA5.0%+0.6pp4.9%4.6%4.4%4.0%4.1%
OC (initial)0.25%0.25%0.50%0.50%0.50%0.50%
OC target0.25%0.25%0.50%0.50%0.50%0.50%
OC floor0.25%0.25%0.50%0.50%0.50%0.50%
YSOCn.a.n.a.n.a.n.a.n.a.n.a.
Tranches778888

OC shown net of any yield-supplement overcollateralization (YSOC); YSOC is a yield mechanism for subvented low-APR pools and is reported separately. OC target is a % of the pool balance — current (amortizing) for greater-of/sum-of structures, original (cut-off) for flat structures; OC floor is a % of the original pool balance.

Peer Set

CAOT 2026-4TAOT 2026-DGMCAR 2026-4NAROT 2026-BFCAOT 2026-CHART 2026-C
Collateral (pool at cut-off)
Closing date2026-10-212026-10-152026-10-142026-09-302026-09-282026-09-23
Pool balance$1,002.5MM$1,402.0MM$1,073.3MM$1,440.0MM$1,663.6MM$2,306.5MM
WA Credit Score766−7772773784753774
WA APR9.01%+3.92pp5.09%6.26%4.03%5.13%4.49%
WA original term mo67.3+1.565.7 mo13.0 mo—66.5 mo65.9 mo
% new vehicles0.0%87.4%80.8%4.5%92.9%99.9%
Reserve %0.25%—0.25%0.25%0.25%0.25%
Geo top-3CA 17.3%
TX 10.5%
FL 6.4%
CA 24.2%
TX 16.0%
IL 3.7%
TX 14.5%
CA 7.0%
FL 6.7%
FL 7.5%
CA 6.4%
GA 4.0%
TX 17.7%
FL 8.9%
CA 8.6%
TX 13.0%
FL 9.6%
CA 8.6%
Structure (at issuance)
AAA spread——+37 bps+33 bps+33 bps+37 bps
AAA % of pool75.8%+7.6pp—73.2%67.4%69.0%64.9%
Subordination below AAA5.0%+1.3pp—3.0%2.7%4.7%4.4%
OC (initial)0.25%0.85%2.75%1.00%2.00%3.00%
OC target0.25%0.85%2.75%1.00%2.00%3.00%
OC floor0.25%0.85%2.75%1.00%2.00%3.00%
YSOCn.a.7.27%2.68%9.81%5.09%8.12%
Tranches767777

OC shown net of any yield-supplement overcollateralization (YSOC); YSOC is a yield mechanism for subvented low-APR pools and is reported separately. OC target is a % of the pool balance — current (amortizing) for greater-of/sum-of structures, original (cut-off) for flat structures; OC floor is a % of the original pool balance.

Historical Performance Context

Anchor expectations in empirical base rates from the sponsor's prior series and FICO-tier peer set.

Left: per-series cumulative NET loss at matched seasoning 10-D (10-D servicer distribution reports). IQR band uses a fixed cohort of all peer series with ≥18 months of data (275 series across 22 issuers). Right: portfolio-level 60+ DQ rate aggregated across all active deals per issuer (calendar time, last 3 years), from ABS-EE loan-level data ABS-EE.

CNL by seasoning — CAOT vs. prime peers0.2%0.4%0.6%0.9%M0M12M24M36M48Seasoning (months from cut-off)CNLCAOT 2026-3CAOT 2026-2CAOT 2026-1CAOT 2025-4prime peers medianPeer IQR (fixed cohort, n=189)
Portfolio 60+ DQ — CAOT vs. peers (calendar time)0.53%1.07%1.60%2.14%2023-102024-062025-032025-112026-08Calendar date60+ DQ rateCAOTAARTBMWOTCOPAR

CarMax Business Services, LLC — ticker CAOT. Peer tier: prime.
Open in Explorer ↗ for FICO sub-band and new/used stratification.