MONTHLY SERVICER REPORT -- Honda Auto Receivables 2021-4 Owner Trust

Collection Period: May 1, 2025 through May 31, 2025

Deal Age

43

Determination Date: 06/16/2025

Actual/360 Days

33

Record Date: 06/22/2025

30/360 Days

30

Payment Date: 06/23/2025

Dollar Amount

Number of Receivables

Total Portfolio Balance

$

1,619,491,676.76

85,623

Accrual Basis

Dollar Amount

% of Pool

Interest Rate

Final Scheduled
Maturity Date

Class A-1 Notes

Actual/360

$

315,000,000.00

19.45

%

0.143

%

November 21, 2022

Class A-2 Notes

30/360

$

574,300,000.00

35.46

%

0.390

%

May 21, 2024

Class A-3 Notes

30/360

$

574,300,000.00

35.46

%

0.880

%

January 21, 2026

Class A-4 Notes

30/360

$

115,348,000.00

7.12

%

1.140

%

June 21, 2028

Certificates

30/360

$

40,543,676.76

2.50

%

0.000

%

Total Securities Balance

$

1,619,491,676.76

Total Note Balance

$

1,578,948,000.00

Reserve Account Initial Deposit

$

4,048,729.19

Yield Supplement Account Deposit

$

56,090,072.69

Interest Collections

    Simple Interest Collections

$

292,446.63

    Interest Related to Repurchased Receivables

$

0.00

    Interest Advance for simple Interest - Net *

$

0.00

    Total Interest Collections

$

292,446.63

* Advances are reimbursed (including outstanding advances of $0.00):

(i) from subsequent payments, liquidation proceeds and servicer repurchase payments in respect of the related obligor, and

(ii) to the extent amounts in clause (i) are insufficient, generally from interest (with respect to interest advances).

Principal Collections

    Principal Collections

$

14,589,748.84

    Prepayments in Full

$

2,743,792.37

    Liquidation Proceeds

$

18,566.65

    Principal Related to Repurchased Receivables

$

130,274,521.31

    Recoveries from Prior Month Charge Offs

$

49,984.10

    Total Principal Collections

$

147,676,613.27

Total Interest and Principal Collections

$

147,969,059.90

Yield Supplement Deposit

$

1,338,094.37

Collection Account Investment Earnings

$

0.00

Total Available Amount

$

149,307,154.27

MONTHLY SERVICER REPORT -- Honda Auto Receivables 2021-4 Owner Trust

Collection Period: May 1, 2025 through May 31, 2025

Deal Age

43

Determination Date: 06/16/2025

Actual/360 Days

33

Record Date: 06/22/2025

30/360 Days

30

Payment Date: 06/23/2025

Note Percentage

100.00

%

Certificate Percentage

0.00

%

Amount Due

Amount Paid

Shortfall

Total Servicing Fee

1.00

%

$

123,065.36

$

123,065.36

$

0.00

Trustee Fees

$

0.00

$

0.00

$

0.00

Asset Representations Reviewer Fees (Accrued & Unpaid)

$

0.00

Interest - Class A-1 Notes

$

0.00

$

0.00

$

0.00

Interest - Class A-2 Notes

$

0.00

$

0.00

$

0.00

Interest - Class A-3 Notes

$

0.00

$

0.00

$

0.00

Interest - Class A-4 Notes

$

101,778.02

$

101,778.02

$

0.00

Total Monthly Interest

$

101,778.02

$

101,778.02

$

0.00

Principal - Class A-1 Notes

$

0.00

$

0.00

$

0.00

Principal - Class A-2 Notes

$

0.00

$

0.00

$

0.00

Principal - Class A-3 Notes

$

0.00

$

0.00

$

0.00

Principal - Class A-4 Notes

$

107,134,754.30

$

107,134,754.30

$

0.00

Total Monthly Principal

$

107,134,754.30

$

107,134,754.30

$

0.00

Interest - Certificates

$

0.00

$

0.00

$

0.00

Principal - Certificates

$

40,543,676.76

$

40,543,676.76

$

0.00

Available to Deposit

Reserve Deposit

Reserve Draw

Excess Released

Released to Seller

Reserve Account Deposit

$

1,403,879.83

$

0.00

$

0.00

$

4,048,729.19

$

1,403,879.83

Noteholder/Certificateholder Distributions
(Per $1000 of Original Principal Amount)

Fee

Interest

Interest
Shortfall

Principal

Principal
Shortfall

Amount
Distributed

Servicing Fee

$

0.08

$

123,065.36

Trustee Fees

$

0.00

Asset Representation Reviewer Fees

$

0.00

Class A-1 Notes

$

0.00

$

0.00

$

0.00

$

0.00

$

0.00

Class A-2 Notes

$

0.00

$

0.00

$

0.00

$

0.00

$

0.00

Class A-3 Notes

$

0.00

$

0.00

$

0.00

$

0.00

$

0.00

Class A-4 Notes

$

0.88

$

0.00

$

928.80

$

0.00

$

107,236,532.32

Certificates

$

0.00

$

0.00

$

1,000.00

$

0.00

$

40,543,676.76

MONTHLY SERVICER REPORT -- Honda Auto Receivables 2021-4 Owner Trust

Collection Period: May 1, 2025 through May 31, 2025

Deal Age

43

Determination Date: 06/16/2025

Actual/360 Days

33

Record Date: 06/22/2025

30/360 Days

30

Payment Date: 06/23/2025

Proceeding Month

Carryover Shortfall

Beginning of Period

End of Period

Interest

Principal

Balance

Note Factor

Balance

Note Factor

Class A-1 Notes

$

0.00

$

0.00

$

0.00

0.0000000

$

0.00

0.0000000

Class A-2 Notes

$

0.00

$

0.00

$

0.00

0.0000000

$

0.00

0.0000000

Class A-3 Notes

$

0.00

$

0.00

$

0.00

0.0000000

$

0.00

0.0000000

Class A-4 Notes

$

0.00

$

0.00

$

107,134,754.30

0.9287959

$

0.00

0.0000000

Certificates

$

0.00

$

0.00

$

40,543,676.76

1.0000000

$

0.00

0.0000000

Total Securities

$

147,678,431.06

0.0911881

$

0.00

0.0000000

Total Notes

$

107,134,754.30

0.0678520

$

0.00

0.0000000

Portfolio Information

Original

Prior Month

Current Month

Weighted Average Coupon (WAC)

2.53

%

2.36

%

0.00

%

Weighted Average Remaining Maturity (WAM)

48.66

12.59

0.00

Weighted Average Original Maturity (WAOM)

60.41

Remaining Number of Receivables

85,623

31,306

0

Portfolio Receivable Balance

$

1,619,491,676.76

$

147,678,431.06

$

0.00

Net Loss and Delinquency Account Activity

Amount

Gross Principal Balance on Defaulted Receivables

$

70,368.54

Liquidation Proceeds

$

18,566.65

Recoveries on Previously Defaulted Contracts

$

49,984.10

Aggregate Net Losses for Collection Period

$

1,817.79

       Net Loss Rate for Collection Period's Average Balance (annualized)

0.01

%

Cumulative Net Losses for all Periods

$

2,421,475.83

Delinquent Receivables

# Units

% Unit

Dollar Amount

% Dollar

31-60 Days Delinquent

0

0.00

%

$

0.00

0.00

%

61-90 Days Delinquent

0

0.00

%

$

0.00

0.00

%

91-120 Days Delinquent

0

0.00

%

$

0.00

0.00

%

121 Days or More Delinquent

0

0.00

%

$

0.00

0.00

%

Repossession Activity

# Units

% Unit

Dollar Amount

% Dollar

Vehicles Repossessed During Collection Period

0

0.00

%

$

0.00

0.00

%

Total Accumulated Repossessed Vehicles in Inventory

0

0.00

%

$

0.00

0.00

%

MONTHLY SERVICER REPORT -- Honda Auto Receivables 2021-4 Owner Trust

Collection Period: May 1, 2025 through May 31, 2025

Deal Age

43

Determination Date: 06/16/2025

Actual/360 Days

33

Record Date: 06/22/2025

30/360 Days

30

Payment Date: 06/23/2025

Net Loss and Delinquency Ratios

Ratio of Net Losses to the Pool Balance as of Each Collection Period

Third Preceding Collection Period

-0.07

%

Second Preceding Collection Period

0.15

%

Preceding Collection Period

-0.01

%

Current Collection Period

0.01

%

Four Month Average

0.02

%

Ratio of Number of Contracts Delinquent 61 Days or More to the Outstanding Number of Receivables (includes repossessions in inventory)

Second Preceding Collection Period

0.17

%

Preceding Collection Period

0.18

%

Current Collection Period

0.00

%

Three Month Average

0.17

%

Delinquency Trigger

4.80%

Delinquency Percentage exceeds Delinquency Trigger:

No

Delinquency Percentage -

0.00%

    Receivables that are 61 days or more delinquent as a percentage of Current Outstanding Balance of Receivables

Current Month

Cumulative

For Assets Experiencing a Loss:

Units

Amount

Units

Amount

   Gross Principal
   on Defaulted Receivables

10

$

70,368.54

443

$

6,048,847.33

   Liquidation Proceeds and Recoveries
   on Defaulted Receivables

28

$

67,628.40

368

$

3,576,717.92

   Net Loss Amount

10

$

2,740.14

443

$

2,472,129.41

   Net Loss % of Average
   Portfolio Balance (Annualized)

0.02

%

   Cumulative Net Loss %
   of Initial Balance

0.15

%

   Average Net Loss of
   Assets Experiencing a Loss

$

5,580.43

Reconciliation of Reserve Account

Reconciliation of Yield Supplement Account

Beginning Reserve Account Balance

$

4,048,729.19

Beginning Yield Supplement
Account Balance

$

1,332,674.59

Investment Earnings

$

14,630.14

Investment Earnings

$

5,419.78

Excess Interest Deposited into the Reserve Account

$

0.00

Additional Yield Supplement Amounts

$

0.00

Investment Withdrawal to Seller

$

(14,630.14

)

Yield Supplement Withdrawal Amount

$

245,172.12

Release of Reserve to Collection Account

$

0.00

Investment Earnings Withdraw

$

0.00

Release of Reserve to Seller

$

4,048,729.19

Release of Yield Supplement Account Balance to Seller

$

1,092,922.25

Ending Reserve Account Balance

$

0.00

Ending Yield Supplement Account Balance

$

0.00

Reserve Account Required Amount

$

4,048,729.19

MONTHLY SERVICER REPORT -- Honda Auto Receivables 2021-4 Owner Trust

Collection Period: May 1, 2025 through May 31, 2025

Deal Age

43

Determination Date: 06/16/2025

Actual/360 Days

33

Record Date: 06/22/2025

30/360 Days

30

Payment Date: 06/23/2025

Is there any activity to report?

No

Has there been a material change in practices with respect to charge-offs, collection and management of delinquent receivables, and the effect of any grace period, re-aging, re-structuring, partial payments or other practices on delinquency and loss experience?

No

Have there been any material modifications, extensions or waivers to receivables terms, fees, penalties or payments during the collection period?

No

Have there been any material breaches of representations, warranties or covenants contained in the receivables?

No

Has there been an issuance of notes or other securities backed by the receivables?

No

Has there been a material change in the underwriting, origination or acquisition of receivables?

No

I hereby certify that the servicing report provided is true and accurate to the best of my knowledge.

/s/ Paul C. Honda

Paul C. Honda

Vice President and Treasurer