Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4



	Deal Information
1. Distribution Summary	Deal:	Capital Auto Receivables Asset Trust 2013-4

2. Factor Summary	Asset Type:	Consumer Retail

3. Interest Summary	Initial Closing Date:	11/27/2013

4. Collections and Distributions	Bloomberg Ticker:	AFIN 2013-4

5. Collateral Summary	Collection Period, Begin:	9/1/2017

	Collection Period, End:	9/30/2017

6. Charge-Off and Delinquency Rates	Determination Date:	10/16/2017

7. Credit Instruments	Distribution Date:	10/20/2017

8. Accumulation Account	Revolving/Amortization Period	Amortization Period

9. Performance Tests	ABS Investor Relations - Ally Financial Inc. as Servicer:

10. Appendix: Additional Charge-Off Detail	Telephone:	(866) 710-4623

	E-Mail:	securitization@ally.com

The Class E Notes have not been registered under the United States Securities Act of 1933, as amended (the "Securities Act"), or the securities laws of any other jurisdiction. The Class E Notes are not transferable, other than to a qualified institutional buyer (as defined in Rule 144A) or pursuant to another exemption under the Securities Act, and subject to satisfaction of certain other provisions of the Indenture.

Page 1 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4

1. Distribution Summary



Class	CUSIP	Initial Note	Beginning Note	Note Rate	Principal	Interest	Total	Principal	Interest	Ending Note
		Principal Balance	Principal Balance		Distribution	Distribution	Distribution	Carryover	Carryover	Principal Balance
							(3) + (4) = (5)	Shortfall	Shortfall	(1) - (3) - (6) = (8)
			(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
A-1	13975FAA8	273,000,000.00	0.00	1.61611000	0.00	0.00	0.00	0.00	0.00	0.00
A-2	13975FAB6	240,000,000.00	0.00	0.85000000	0.00	0.00	0.00	0.00	0.00	0.00
A-3	13975FAC4	271,000,000.00	0.00	1.09000000	0.00	0.00	0.00	0.00	0.00	0.00
A-4	13975FAD2	73,940,000.00	0.00	1.47000000	0.00	0.00	0.00	0.00	0.00	0.00
B	13975FAE0	50,940,000.00	0.00	2.06000000	0.00	0.00	0.00	0.00	0.00	0.00
C	13975FAF7	48,260,000.00	13,719,002.83	2.67000000	11,118,103.17	30,524.78	11,148,627.95	0.00	0.00	2,600,899.66
D	13975FAG5	42,900,000.00	42,900,000.00	3.22000000	0.00	115,115.00	115,115.00	0.00	0.00	42,900,000.00
E	13975FAH3	37,530,000.00	37,530,000.00	3.83000000	0.00	119,783.25	119,783.25	0.00	0.00	37,530,000.00
Deal Totals		1,037,570,000.00	94,149,002.83		11,118,103.17	265,423.03	11,383,526.20	0.00	0.00	83,030,899.66

2. Factor Summary (Amount per $1,000 of Original Principal)



Class	Beginning Note Pool	Principal Distribution	Interest Distribution	Total Distribution	Interest Carryover	Ending Note Pool
	Factor	Factor	Factor	Factor	Shortfall Factor	Factor
A-1	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A-2	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A-3	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A-4	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
B	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
C	284.27274824	230.37926171	0.63250684	231.01176855	0.00000000	53.89348653
D	1,000.00000000	0.00000000	2.68333333	2.68333333	0.00000000	1,000.00000000
E	1,000.00000000	0.00000000	3.19166667	3.19166667	0.00000000	1,000.00000000

Page 2 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4



Beginning Aggregate Note Pool Factor:	90.73990461
Ending Aggregate Note Pool Factor:	80.02438357

Beginning Reserve Account Balance Factor:	1,000.00000000
Reserve Account Draw, distributed to Noteholders, Factor:	0.00000000
Reserve Account Draw, distributed to Certificateholders, Factor:	0.00000000
Ending Reserve Account Balance Factor:	1,000.00000000

Page 3 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4

3. Interest Summary

A. Target Interest Summary

Class

Beginning Note Principal Balance

Interest Accrual Period, Start

Interest Accrual Period, End

Accrual Methodology

Applicable Index

Margin

Fixed

Note Rate

Target Interest Distribution

A-1

0.00

9/20/2017

10/19/2017

Actual/360

1.23611000

0.38000000

N/A

1.61611000

0.00

A-2

0.00

9/20/2017

10/19/2017

30/360

N/A

0.85000000

0.00

A-3

0.00

9/20/2017

10/19/2017

30/360

N/A

1.09000000

0.00

A-4

0.00

9/20/2017

10/19/2017

30/360

N/A

1.47000000

0.00

9/20/2017

10/19/2017

30/360

N/A

2.06000000

0.00

13,719,002.83

9/20/2017

10/19/2017

30/360

N/A

2.67000000

30,524.78

42,900,000.00

9/20/2017

10/19/2017

30/360

N/A

3.22000000

115,115.00

37,530,000.00

9/20/2017

10/19/2017

30/360

N/A

3.83000000

119,783.25

B. Interest Payment Amount Summary



Class	Beginning Unpaid Interest Carryover Shortfall	Target Interest Distribution	Interest Shortfall Amount Allocated/(Repaid)	Actual Interest Distribution (2) - (3) = (4)	Remaining Unpaid Interest Carryover Shortfall (1) - (3) = (5)
	(1)	(2)	(3)	(4)	(5)
A-1	0.00	0.00	0.00	0.00	0.00
A-2	0.00	0.00	0.00	0.00	0.00
A-3	0.00	0.00	0.00	0.00	0.00
A-4	0.00	0.00	0.00	0.00	0.00
B	0.00	0.00	0.00	0.00	0.00
C	0.00	30,524.78	0.00	30,524.78	0.00
D	0.00	115,115.00	0.00	115,115.00	0.00
E	0.00	119,783.25	0.00	119,783.25	0.00
Deal Totals	0.00	265,423.03	0.00	265,423.03	0.00

Page 4 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4

4. Collections and Distributions



Collections
Receipts During the Period***	11,195,375.58
Administrative Purchase Payments	73,187.21
Warranty Payments	0.00
Liquidation Proceeds (Recoveries) Less Liquidation Expenses	439,380.63
Accumulation Account Investment Earnings	0.00
Other Fees or Expenses Paid	0.00
Total Collections	11,707,943.42

Beginning Reserve Account Balance	5,362,099.19
Total Available Amount	17,070,042.61

Distributions
Total Available Amount	17,070,042.61
Basic Servicing Fee	151,134.32
Aggregate Class A Interest Distributable Amount	0.00
First Priority Principal Distributable Amount*	0.00
Aggregate Class B Interest Distributable Amount	0.00
Second Priority Principal Distributable Amount*	0.00
Aggregate Class C Interest Distributable Amount	30,524.78
Third Priority Principal Distributable Amount*	0.00
Aggregate Class D Interest Distributable Amount	115,115.00
Fourth Priority Principal Distributable Amount*	0.00
Aggregate Class E Interest Distributable Amount	119,783.25
Fifth Priority Principal Distributable Amount*	0.00
To the Accumulation Account - Parity Reinvestment Amount**	0.00
To Reserve Account - Specified Reserve Account Balance	5,362,099.19
To the Accumulation Account - Excess of Target Reinvestment less Parity Reinvestment Account**	0.00
Noteholders' Regular Principal Distributable Amount*	11,118,103.17
Indenture Trustee expenses	0.00
Excess Total Available Amount to the Certificateholders	173,282.90

Supplemental Servicing Fees	142,153.53
Other Fees or Expenses Accrued	0.00
Liquidation Expenses	27,300.00

* Amortization Period Only ** Revolving Period Only *** Includes amounts on deposit in the Accumulation Account immediately preceding the Distribution Date.

Page 5 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4

5. Collateral Summary

A. Balances



		Original Balance *Includes Aggregate Additional Receivables	Beginning Balance	Balance at End of Collection Period	Additions	Ending Balance Including Additions
	Number of Receivables	83,212	21,403	20,460	0	20,460
Deal Totals	Aggregate Receivables Principal Balance	1,547,675,080.06	145,088,945.10	133,970,841.93	0.00	133,970,841.93
	Aggregate Receivables Face Amount	1,547,675,080.06	145,088,945.10	133,970,841.93	0.00	133,970,841.93

There have been no receivables with respect to which material breaches of pool asset representations or warranties or transaction covenants have occurred.

B. Pool Composition - Weighted Averages



	Inception	Beginning	Ending Weighted	Inception	Beginning	Ending Weighted	Inception	Beginning	Ending
	Weighted	Weighted	Average Coupon	Weighted	Weighted	Average Original	Weighted	Weighted	Weighted
	Average Coupon	Average Coupon		Average Original	Average Original	Maturity	Average	Average	Average
				Maturity	Maturity		Remaining	Remaining	Remaining
							Maturity	Maturity	Maturity
Deal Totals	7.94000000	8.70199281	8.75551403	68.17	70.61	70.68	56.67	21.56	20.95

C. Pool Composition - Prepayments



Month	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
Monthly	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1.15%	1.44%	1.34%	1.29%	1.57%	1.49%	1.37%	1.54%

Month	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40
Monthly	1.53%	1.50%	1.38%	1.40%	1.30%	1.31%	1.25%	1.36%	1.41%	1.21%	1.34%	1.28%	1.21%	1.31%	1.25%	1.12%	0.99%	1.05%	1.12%	1.12%

Month	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60
Monthly	1.24%	0.91%	1.14%	1.01%	0.95%	1.01%	0.91%

Page 6 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4

6. Charge-Off and Delinquency Rates

A. Current



	Charge-Off Rate						Delinquency Rate
	Average Aggregate Amount Financed	Number of Units Charged-Off	Net Charge-Offs	Average Net Charge-Offs	Loss Rate		Total Accounts	Accounts over 60	Percent Delinquent
Current	139,529,893.52	91	368,203.61	4,046.19	3.1667	%	20,460	350	1.7107	%
Preceding	151,165,243.93	87	274,863.86	3,159.35	2.1820	%	21,403	375	1.7521	%
Next Preceding	163,441,377.64	89	397,657.53	4,468.06	2.9196	%	22,493	349	1.5516	%
Third Preceding	176,266,787.32	74	316,743.66	4,280.32	2.1563	%	Three Month Average		1.6715	%
Four Month Average					2.6062	%

B. Cumulative



	Aggregate Amount	Cumulative Net	Cumulative Loss		Delinquency	Total Accounts	Total Balance	Percent
	Financed**	Charge-Offs	Rate**		Stratification			Delinquent
Totals	1,547,675,080.06	32,951,562.63	2.1291	%	31 - 60 days	1,328	10,559,313.37	7.8818	%
The information contained in this report is defined or determined in a manner consistent					61 - 90 days	264	2,159,113.49	1.6116	%
with the prospectus for Capital Auto Receivables Asset Trust 2013-4 related to delinquencies,					91 - 120 days	85	579,849.87	0.4328	%
charge-offs or uncollectible accounts.					> 120 days	1	754.38	0.0006	%
There have been no material changes in determining delinquencies, charge-offs or uncollectible amounts.

** Note: The value disclosed with respect to the Aggregate Amount Financed and Cumulative Loss Rate include Additional Receivables. Please see Section 10 (Additional Charge-off Detail) for charge-off information disclosed separately with respect to the Initial Receivables and the Aggregate Additional Receivables.
					Bankruptcies	Total Accounts	Total Balance
					Prior Period¹	856	7,990,161.99
					Current Period	39	353,856.40
1. Prior Period Bankruptcies reflect currently active accounts.					Inventory Charged-Off²	39	126,033.99
2. Bankruptcy Inventory Charged-Off includes both bankruptcies returned to active status					Ending Inventory	856	8,217,984.40
and charge-offs on prior period bankruptcies.

Page 7 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4

7. Credit Instruments

Reserve Accounts

Account

Initial Balance

Beginning Balance

Additions

Reductions

Ending Balance

Specified Reserve Account Balance

Draws

Releases

Cash Reserve

5,362,099.19

0.00

5,362,099.19

8. Accumulation Account

9. Performance Tests



Event of Default	NO
Servicer Default	NO
Early Amortization Event	NO
Additional Receivables Purchased by Trust?	NO
Additional Receivables Criteria Satisfied, If Applicable?	N/A
Overcollateralization Target Amount Satisfied?	YES
Initial Overcollateralization	34,849,837.25
Current Overcollateralization	50,939,942.27
Overcollateralization Target (Revolving Period)	—
Overcollateralization Target (Amortization Period)	50,939,942.27

There have been no material modifications, extensions or waivers relating to the terms of or fees, penalties or payments on, pool assets during the distribution period or that, cumulatively, have become material over time.

This Servicer Certificate relates only to CARAT 2013-4. This Servicer Certificate should not be relied upon with respect to any other security. The information contained herein is only an indication of past performance and does not predict how CARAT 2013-4 will perform in the future.

Page 8 of 9

Statement to Securityholder

Capital Auto Receivables Asset Trust 2013-4

10. Appendix: Additional Charge-Off Detail

A. Cumulative: Initial Receivables



	Aggregate Amount	Cumulative Net	Cumulative Loss
	Financed	Charge-Offs	Rate
Totals	1,072,419,837.25	23,796,470.65	2.2190	%

B. Cumulative: Aggregate Additional Receivables



	Aggregate Amount	Cumulative Net	Cumulative Loss
	Financed	Charge-Offs	Rate
Totals	475,255,242.81	9,155,091.98	1.9264	%

Page 9 of 9

Beginning Balance

Investment Earnings

Ending Balance

Capital Auto Receivables Asset Trust 2013-4 10-D