Exhibit 99.1

Hyundai Auto Receivables Trust 2021-C

Monthly Servicing Report

Collection Period

October 2025

Distribution Date

11/17/25

Transaction Month

30/360 Days

Actual/360 Days

I. ORIGINAL DEAL PARAMETERS

Cut off Date:			October 4, 2021
Closing Date:			November 17, 2021

		Dollars			Units			WAC			WARM
Original Pool Balance:		$	1,577,990,687.37			63,367			3.33	%		58.83
Original Adj. Pool Balance:		$	1,535,309,741.31

		Amount			% of Pool			Note Rate					Final Payment Date
Class A-1 Notes	Fixed	$	290,000,000.00			18.378	%		0.12071	%				November 15, 2022
Class A-2-A Notes	Fixed	$	399,500,000.00			25.317	%		0.36000	%				October 15, 2024
Class A-2-B Notes	Floating	$	100,000,000.00			6.337	%		SOFR + 0.20	%				October 15, 2024
Class A-3 Notes	Fixed	$	494,500,000.00			31.337	%		0.74000	%				May 15, 2026
Class A-4 Notes	Fixed	$	139,230,000.00			8.823	%		1.03000	%				December 15, 2027
Class B Notes	Fixed	$	27,640,000.00			1.752	%		1.49000	%				December 15, 2027
Class C Notes	Fixed	$	46,060,000.00			2.919	%		1.66000	%				June 15, 2028
Total Securities		$	1,496,930,000.00			94.863	%

Overcollateralization		$	38,379,741.31			2.432	%
YSOA		$	42,680,946.06			2.705	%
Total Original Pool Balance		$	1,577,990,687.37			100.00	%


II. POOL BALANCE AND PORTFOLIO INFORMATION

		Beginning of Period						Ending of Period					Change
		Balance			Note Factor			Balance			Note Factor
Class A-1 Notes		$	-			-		$	-			-	$	-
Class A-2-A Notes		$	-			-		$	-			-	$	-
Class A-2-B Notes		$	-			-		$	-			-	$	-
Class A-3 Notes		$	-			-		$	-			-	$	-
Class A-4 Notes		$	14,457,023.17			0.1038355		$	464,302.57			0.0033348	$	13,992,720.60
Class B Notes		$	27,640,000.00			1.0000000		$	27,640,000.00			1.0000000	$	-
Class C Notes		$	46,060,000.00			1.0000000		$	46,060,000.00			1.0000000	$	-
Total Securities		$	88,157,023.17			0.0588919		$	74,164,302.57			0.0495443	$	13,992,720.60

Weighted Avg. Coupon (WAC)			3.71	%					3.77	%
Weighted Avg. Remaining Maturity (WARM)			15.61						14.93
Pool Receivables Balance		$	135,537,729.05					$	121,331,629.59
Remaining Number of Receivables			24,371						23,485

Adjusted Pool Balance		$	134,216,315.41					$	120,223,594.81


III. COLLECTIONS

Principal:
Principal Collections													$	13,897,956.19
Repurchased Contract Proceeds Related to Principal													$	-
Recoveries/Liquidation Proceeds													$	246,166.73
Total Principal Collections													$	14,144,122.92

Interest:
Interest Collections													$	424,209.92
Late Fees & Other Charges													$	37,454.99
Interest on Repurchase Principal													$	-
Total Interest Collections													$	461,664.91

Collection Account Interest													$	49,255.69
Reserve Account Interest													$	12,876.66
Servicer Advances													$	-

Total Collections													$	14,667,920.18

2021C Report

1 of 4

Hyundai Auto Receivables Trust 2021-C

Monthly Servicing Report

Collection Period

October 2025

Distribution Date

11/17/25

Transaction Month

30/360 Days

Actual/360 Days

IV. DISTRIBUTIONS

Total Collections									$	14,667,920.18
Reserve Account Release									$	-
Reserve Account Draw									$	-
Total Available for Distribution									$	14,667,920.18
			Amount Due		Interest Pymt Due but unpaid from prior periods		Amount Paid
1. Servicing Fee @1.00%:
Servicing Fee Due	1.00	%	$	112,948.11	$	-	$	112,948.11		112,948.11
Collection Account Interest									$	49,255.69
Late Fees & Other Charges									$	37,454.99
Total due to Servicer									$	199,658.79

2. Class A Noteholders Interest:
Class A-1 Notes			$	-			$	-
Class A-2-A Notes			$	-			$	-
Class A-2-B Notes			$	-			$	-
Class A-3 Notes			$	-			$	-
Class A-4 Notes			$	12,408.94			$	12,408.94

Total Class A interest:			$	12,408.94			$	12,408.94		12,408.94

3. First Priority Principal Distribution:			$	0.00			$	0.00		0.00

4. Class B Noteholders Interest:			$	34,319.67			$	34,319.67		34,319.67

5. Second Priority Principal Distribution:			$	0.00			$	-		0.00

6. Class C Noteholders Interest:			$	63,716.33			$	63,716.33		63,716.33

Available Funds Remaining:									$	14,357,816.45


7. Regular Principal Distribution Amount:										13,992,720.60

			Distributable Amount				Paid Amount
Class A-1 Notes							$	-
Class A-2-A Notes							$	-
Class A-2-B Notes							$	-
Class A-3 Notes							$	-
Class A-4 Notes							$	13,992,720.60
Class A Notes Total:			$	13,992,720.60			$	13,992,720.60
Class B Notes Total:			$	-			$	-
Class C Notes Total:			$	-			$	-
Total Noteholders Principal			$	13,992,720.60			$	13,992,720.60

8. Required Deposit to Reserve Account										0.00

9. Trustee Expenses and Asset Representations Reviewer Expenses										0.00

10. Remaining Available Collections Released to Certificateholder										365,095.85


V. YIELD SUPPLEMENT OVERCOLLATERALIZATION AMOUNT (YSOA)

Beginning Period Required Amount									$	1,321,413.64
Beginning Period Amount									$	1,321,413.64
Current Period Amortization									$	213,378.86
Ending Period Required Amount									$	1,108,034.78
Ending Period Amount									$	1,108,034.78
Next Distribution Date Required Amount									$	917,897.53

2021C Report

2of 4

Hyundai Auto Receivables Trust 2021-C

Monthly Servicing Report

Collection Period

October 2025

Distribution Date

11/17/25

Transaction Month

30/360 Days

Actual/360 Days

VI. RESERVE ACCOUNT

Reserve Percentage of Initial Adjusted Pool Balance													0.25	%
Beginning Period Required Amount												$	3,838,274.35
Beginning Period Amount												$	3,838,274.35
Current Period Release to Collection Account												$	-
Current Period Deposit												$	-
Current Period Release to Depositor												$	-
Ending Period Required Amount (0.25% of APB of cut-off date)												$	3,838,274.35
Ending Period Amount												$	3,838,274.35


VII. OVERCOLLATERALIZATION

Overcollateralization Target	3.00	%
Overcollateralization Floor	3.00	%
						Beginning			Ending			Target
Overcollateralization Amount						$	46,059,292.24		$	46,059,292.24		$	46,059,292.24
Overcollateralization as a % of Original Adjusted Pool							3.00	%		3.00	%		3.00	%
Overcollateralization as a % of Current Adjusted Pool							34.32	%		38.31	%		38.31	%


VIII. DELINQUENCY AND NET LOSS ACTIVITY

Delinquent Receivables			Units Percent			Units			Dollars Percent			Amount
Current				97.93	%		22,999			95.96	%	$	116,427,629.06
30 - 60 Days				1.66	%		390			3.16	%	$	3,838,585.82
61 - 90 Days				0.35	%		82			0.72	%	$	876,270.46
91-120 Days				0.06	%		14			0.16	%	$	189,144.25
121 + Days				0.00	%		0			0.00	%	$	-
Total							23,485					$	121,331,629.59

Delinquent Receivables 30+ Days Past Due
Current Period				2.07	%		486			4.04	%	$	4,904,000.53
1st Preceding Collection Period				2.08	%		508			3.91	%	$	5,298,649.12
2nd Preceding Collection Period				1.99	%		500			3.71	%	$	5,535,193.71
3rd Preceding Collection Period				2.10	%		550			3.68	%	$	6,075,287.05
Four-Month Average				2.06	%					3.83	%

Ratio of 61+ Delinquency Receivables Balance to EOP Pool Balance										0.88	%
Delinquency Percentage exceeds Delinquency Trigger of 9.6% (Y/N)										No

Repossession in Current Period							26					$	299,965.02
Repossession Inventory							46					$	568,232.27

Current Charge-Offs
Gross Principal of Charge-Offs												$	308,143.27
Recoveries												$	(246,166.73	)
Net Loss												$	61,976.54

Ratio of Current Net Loss to Beginning Pool Balance (annualized)													0.55	%

Average Pool Balance for Current Period												$	128,434,679.32

Ratio of Current Net Loss to Average Pool Balance (annualized)
Current Period													0.58	%
1st Preceding Collection Period													0.49	%
2nd Preceding Collection Period													0.79	%
3rd Preceding Collection Period													0.81	%
Four-Month Average													0.67	%

Cumulative Charge-Offs						Change in units from prior period			Cumulative Units			Cumulative Amount
Gross Principal of Charge-Offs							31			1,896		$	33,982,498.56
Recoveries							24			1,538		$	(18,805,304.29	)
Net Loss												$	15,177,194.27
Cumulative Net Loss as a % of Initial Pool Balance													0.96	%

Net Loss for Receivables that have experienced a Net Loss *							18			1,618		$	15,251,199.08
Average Net Loss for Receivables that have experienced a Net Loss												$	9,425.96

Principal Balance of Extensions												$	923,457.40
Number of Extensions													104

* Excludes receivables with recovered amounts equal to or in excess of principal charge-offs due to the recovery of assessments, such as interest and fees.

2021C Report

3 of 4

Hyundai Auto Receivables Trust 2021-C

Monthly Servicing Report

Collection Period

October 2025

Distribution Date

11/17/25

Transaction Month

30/360 Days

Actual/360 Days

IX. CREDIT RISK RETENTION INFORMATION

There were no material changes in the retained interest in the transaction.

X. SOFR INFORMATION

There were no SOFR Adjustment Conforming Changes during the reporting period.

2021C Report

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Hyundai Auto Receivables Trust 2021-C 10-D