UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-D

ASSET-BACKED ISSUER
DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

For the monthly distribution period from December 1, 2025 to December 31, 2025

Commission File Number of issuing entity: 333-233850-05

Central Index Key Number of issuing entity: 0001891012

EXETER AUTOMOBILE RECEIVABLES TRUST 2021-4

(Exact name of issuing entity as specified in its charter)

Commission File Number of depositor: 333-233850

Central Index Key Number of depositor: 0001654238

EFCAR, LLC

(Exact name of depositor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001541713

EXETER FINANCE LLC

(Exact name of sponsor as specified in its charter)

Jodi Blanton, (469) 754-4396

(Name and telephone number, including area code, of the person to contact in connection with this filing)

Delaware
(State or other jurisdiction of incorporation or organization of the issuing entity)

87-6340294

45-2673519

(I.R.S. Employer Identification No.)

c/o Exeter Finance LLC

2101 W. John Carpenter Freeway

Irving, Texas

(Address of principal executive offices of the issuing entity)

75063
(Zip Code)

(469) 754-4396

(Telephone number, including area code)

Not Applicable
(Former name, former address, if changed since last report)

Registered/reporting pursuant to (check one)

				Name of exchange
Title of class	Section 12(b)	Section 12(g)	Section 15(d)	(If Section 12(b))
Class A-1 Notes	☐	☐	☒
Class A-2 Notes	☐	☐	☒
Class A-3 Notes	☐	☐	☒
Class B Notes	☐	☐	☒
Class C Notes	☐	☐	☒
Class D Notes	☐	☐	☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

PART I — DISTRIBUTION INFORMATION

Item 1. Distribution and Pool Performance Information.

The response to Item 1 is set forth in part herein and in part in Exhibit 99.1.

No assets securitized by Exeter Finance LLC (the “Securitizer”) and held by Exeter Automobile Receivables Trust 2021-4 were the subject of a demand to repurchase for breach of the representations and warranties during the distribution period from December 1, 2025 to December 31, 2025.

The Securitizer (Central Index Key Number: 0001541713) most recently filed a Form ABS-15G on February 3, 2025.

Item 1A. Asset-Level Information.

The Asset Data File and Asset Related Document filed as Exhibit 102 and Exhibit 103, respectively, to the Form ABS-EE filed by Exeter Automobile Receivables Trust 2021-4 on January 28, 2026 with respect to the distribution period commencing on December 1, 2025 and ending on December 31, 2025 are hereby incorporated by reference into this Form 10-D.

Item 1B. Asset Representations Reviewer and Investor Communication.

None.

PART II — OTHER INFORMATION

Item 2. Legal Proceedings.

None.

Item 3. Sales of Securities and Use of Proceeds.

None.

Item 4. Defaults Upon Senior Securities.

None.

Item 5. [Reserved].

None.

Item 6. Significant Obligors of Pool Assets.

None.

Item 7. Change in Sponsor Interest in the Securities.

None.

Item 8. Significant Enhancement Provider Information.

None.

Item 9. Other Information.

None.

Item 10. Exhibits.

(a) Documents filed as part of this report:

99.1

Monthly Servicer’s Certificate

(b) Exhibits required by this Form and Item 601 of Regulation S-K (17 CFR 229.601).

102.1

Asset Data File for the distribution period commencing on December 1, 2025 and ending on December 31, 2025 (included in Exhibit 102 to the Form ABS-EE filed by Exeter Automobile Receivables Trust 2021-4 with the Commission on January 28, 2026, which is incorporated by reference herein).

103.1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: January 28, 2026

EXETER AUTOMOBILE RECEIVABLES TRUST 2021-4

(Issuing Entity)

By: Exeter Finance LLC, as Servicer

By: /s/ Jeff Briggs

Name: Jeff Briggs

Title: Executive Vice President & Treasurer

Exeter Automobile Receivables Trust 2021-4 10-D