1761 E. St. Andrew Place				Distribution Date:	8/19/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn: Valerie Delgado
714-247-6320

GMAC MORTGAGE LOAN TRUST 2005-AR3
GMACM Mortgage Pass-Through Certificates, Series 2005-AR3

Certificateholder Monthly Distribution Summary

			Certificate		Pass				Current		Cumulative
		Class	Rate	Beginning	Through	Principal	Interest	Total	Realized	Ending	Realized
Class	Cusip	Description	Type	Balance	Rate (%)	Distribution	Distribution	Distribution	Losses	Balance	Losses


1-A	36185N6Y1	Senior	Var-30/360	29,914,347.47	4.797047	675,519.46	119,583.79	795,103.25	0.00	29,238,828.01	0.00
2A-1	36185N6Z8	Senior	Var-30/360	90,987,049.38	5.142223	741,804.14	389,896.39	1,131,700.53	0.00	90,245,245.24	0.00
2A-2	36185N7A2	Senior	Var-30/360	4,388,650.42	5.142223	35,780.03	18,806.18	54,586.21	0.00	4,352,870.39	0.00
3A-1	36185N7B0	Senior	Var-30/360	73,358,061.52	4.911074	1,703,425.51	300,222.38	2,003,647.89	0.00	71,654,636.00	0.00
3A-2	36185N7C8	Senior	Var-30/360	4,705,675.12	4.911074	109,269.07	19,258.27	128,527.34	0.00	4,596,406.05	0.00
3A-3	36185N7D6	Senior	Var-30/360	72,632,090.46	4.911074	2,265,692.21	297,251.30	2,562,943.51	0.00	70,366,398.26	0.00
3A-4	36185N7E4	Senior	Var-30/360	24,940,000.00	4.911074	0.00	102,068.49	102,068.49	0.00	24,940,000.00	0.00
4A-1	36185N7F1	Senior	Var-30/360	1,469,686.24	4.993809	11,742.06	6,116.11	17,858.17	0.00	1,457,944.17	0.00
4A-2	36185N7G9	Senior	Var-30/360	12,176,782.34	4.993809	125,198.65	50,673.77	175,872.42	0.00	12,051,583.69	0.00
4A-3	36185N7H7	Senior	Var-30/360	48,707,129.36	4.993809	500,794.61	202,695.08	703,489.69	0.00	48,206,334.75	0.00
4A-4	36185N7J3	Senior	Var-30/360	3,896,570.35	4.993809	40,063.57	16,215.61	56,279.18	0.00	3,856,506.78	0.00
4A-5	36185N7K0	Senior	Var-30/360	18,586,000.00	4.993809	0.00	77,345.78	77,345.78	0.00	18,586,000.00	0.00
5A-1	36185N7L8	Senior	Var-30/360	99,746,986.56	5.171917	340,601.84	429,902.61	770,504.45	0.00	99,406,384.72	0.00
5A-2	36185N7M6	Senior	Var-30/360	4,959,575.70	5.171917	16,935.25	21,375.43	38,310.68	0.00	4,942,640.45	0.00
R	36185N7N4	Senior	Var-30/360	0.00	4.797047	0.00	0.00	0.00	0.00	0.00	0.00


M-1	36185N7P9	Mezzanine	Var-30/360	12,565,716.69	5.017708	1,688.53	52,542.58	54,231.11	0.00	12,564,028.16	0.00
M-2	36185N7Q7	Mezzanine	Var-30/360	4,188,905.48	5.017708	562.89	17,515.59	18,078.48	0.00	4,188,342.59	0.00
M-3	36185N7R5	Mezzanine	Var-30/360	2,094,452.74	5.017708	281.44	8,757.79	9,039.23	0.00	2,094,171.29	0.00
B-1	36185N7S3	Junior	Var-30/360	2,356,384.30	5.017708	316.64	9,853.04	10,169.68	0.00	2,356,067.66	0.00
B-2	36185N7T1	Junior	Var-30/360	1,832,521.18	5.017708	246.25	7,662.55	7,908.80	0.00	1,832,274.93	0.00
B-3	36185N7U8	Junior	Var-30/360	1,047,272.81	5.017708	140.73	4,379.28	4,520.01	0.00	1,047,132.08	0.00


Totals				514,553,858.12		6,570,062.88	2,152,122.02	8,722,184.90	0.00	507,983,795.22	0.00

Page 1

1761 E. St. Andrew Place				Distribution Date:	8/19/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn: Valerie Delgado
714-247-6320

GMAC MORTGAGE LOAN TRUST 2005-AR3
GMACM Mortgage Pass-Through Certificates, Series 2005-AR3

Principal Distribution Detail

		Original	Beginning	Scheduled		Unscheduled	Net	Current	Ending	Ending
		Certificate	Certificate	Principal	Accretion	Principal	Principal	Realized	Certificate	Certificate
Class	Cusip	Balance	Balance	Distribution	Principal	Adjustments	Distribution	Losses	Balance	Factor


1-A	36185N6Y1	31,856,000.00	29,914,347.47	675,519.46	0.00	0.00	675,519.46	0.00	29,238,828.01	0.91784367191
2A-1	36185N6Z8	91,637,000.00	90,987,049.38	741,804.14	0.00	0.00	741,804.14	0.00	90,245,245.24	0.98481230552
2A-2	36185N7A2	4,420,000.00	4,388,650.42	35,780.03	0.00	0.00	35,780.03	0.00	4,352,870.39	0.98481230552
3A-1	36185N7B0	75,000,000.00	73,358,061.52	1,703,425.51	0.00	0.00	1,703,425.51	0.00	71,654,636.00	0.95539514673
3A-2	36185N7C8	4,811,000.00	4,705,675.12	109,269.07	0.00	0.00	109,269.07	0.00	4,596,406.05	0.95539514673
3A-3	36185N7D6	74,816,000.00	72,632,090.46	2,265,692.21	0.00	0.00	2,265,692.21	0.00	70,366,398.26	0.94052606738
3A-4	36185N7E4	24,940,000.00	24,940,000.00	0.00	0.00	0.00	0.00	0.00	24,940,000.00	1.00000000000
4A-1	36185N7F1	1,500,000.00	1,469,686.24	11,742.06	0.00	0.00	11,742.06	0.00	1,457,944.17	0.97196278140
4A-2	36185N7G9	12,500,000.00	12,176,782.34	125,198.65	0.00	0.00	125,198.65	0.00	12,051,583.69	0.96412669501
4A-3	36185N7H7	50,000,000.00	48,707,129.36	500,794.61	0.00	0.00	500,794.61	0.00	48,206,334.75	0.96412669501
4A-4	36185N7J3	4,000,000.00	3,896,570.35	40,063.57	0.00	0.00	40,063.57	0.00	3,856,506.78	0.96412669501
4A-5	36185N7K0	18,586,000.00	18,586,000.00	0.00	0.00	0.00	0.00	0.00	18,586,000.00	1.00000000000
5A-1	36185N7L8	100,560,000.00	99,746,986.56	340,601.84	0.00	0.00	340,601.84	0.00	99,406,384.72	0.98852808992
5A-2	36185N7M6	5,000,000.00	4,959,575.70	16,935.25	0.00	0.00	16,935.25	0.00	4,942,640.45	0.98852808992
R	36185N7N4	100.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00000000000


M-1	36185N7P9	12,569,000.00	12,565,716.69	1,688.53	0.00	0.00	1,688.53	0.00	12,564,028.16	0.99960443596
M-2	36185N7Q7	4,190,000.00	4,188,905.48	562.89	0.00	0.00	562.89	0.00	4,188,342.59	0.99960443596
M-3	36185N7R5	2,095,000.00	2,094,452.74	281.44	0.00	0.00	281.44	0.00	2,094,171.29	0.99960443596
B-1	36185N7S3	2,357,000.00	2,356,384.30	316.64	0.00	0.00	316.64	0.00	2,356,067.66	0.99960443596
B-2	36185N7T1	1,833,000.00	1,832,521.18	246.25	0.00	0.00	246.25	0.00	1,832,274.93	0.99960443596
B-3	36185N7U8	1,047,546.45	1,047,272.81	140.73	0.00	0.00	140.73	0.00	1,047,132.08	0.99960443596


Totals		523,717,646.45	514,553,858.12	6,570,062.88	0.00	0.00	6,570,062.88	0.00	507,983,795.22

Page 2

1761 E. St. Andrew Place				Distribution Date:	8/19/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn: Valerie Delgado
714-247-6320

GMAC MORTGAGE LOAN TRUST 2005-AR3
GMACM Mortgage Pass-Through Certificates, Series 2005-AR3

Interest Distribution Detail

	Beginning	Pass	Accrued	Cumulative		Total	Net	Unscheduled
	Certificate	Through	Optimal	Unpaid	Deferred	Interest	Prepayment	Interest	Interest
Class	Balance	Rate (%)	Interest	Interest	Interest	Due	Int Shortfall	Adjustment	Paid


1-A	29,914,347.47	4.797047	119,583.79	0.00	0.00	119,583.79	0.00	0.00	119,583.79
2A-1	90,987,049.38	5.142223	389,896.39	0.00	0.00	389,896.39	0.00	0.00	389,896.39
2A-2	4,388,650.42	5.142223	18,806.18	0.00	0.00	18,806.18	0.00	0.00	18,806.18
3A-1	73,358,061.52	4.911074	300,222.38	0.00	0.00	300,222.38	0.00	0.00	300,222.38
3A-2	4,705,675.12	4.911074	19,258.27	0.00	0.00	19,258.27	0.00	0.00	19,258.27
3A-3	72,632,090.46	4.911074	297,251.30	0.00	0.00	297,251.30	0.00	0.00	297,251.30
3A-4	24,940,000.00	4.911074	102,068.49	0.00	0.00	102,068.49	0.00	0.00	102,068.49
4A-1	1,469,686.24	4.993809	6,116.11	0.00	0.00	6,116.11	0.00	0.00	6,116.11
4A-2	12,176,782.34	4.993809	50,673.77	0.00	0.00	50,673.77	0.00	0.00	50,673.77
4A-3	48,707,129.36	4.993809	202,695.08	0.00	0.00	202,695.08	0.00	0.00	202,695.08
4A-4	3,896,570.35	4.993809	16,215.61	0.00	0.00	16,215.61	0.00	0.00	16,215.61
4A-5	18,586,000.00	4.993809	77,345.78	0.00	0.00	77,345.78	0.00	0.00	77,345.78
5A-1	99,746,986.56	5.171917	429,902.61	0.00	0.00	429,902.61	0.00	0.00	429,902.61
5A-2	4,959,575.70	5.171917	21,375.43	0.00	0.00	21,375.43	0.00	0.00	21,375.43
R	0.00	4.797047	0.00	0.00	0.00	0.00	0.00	0.00	0.00


M-1	12,565,716.69	5.017708	52,542.58	0.00	0.00	52,542.58	0.00	0.00	52,542.58
M-2	4,188,905.48	5.017708	17,515.59	0.00	0.00	17,515.59	0.00	0.00	17,515.59
M-3	2,094,452.74	5.017708	8,757.79	0.00	0.00	8,757.79	0.00	0.00	8,757.79
B-1	2,356,384.30	5.017708	9,853.04	0.00	0.00	9,853.04	0.00	0.00	9,853.04
B-2	1,832,521.18	5.017708	7,662.55	0.00	0.00	7,662.55	0.00	0.00	7,662.55
B-3	1,047,272.81	5.017708	4,379.28	0.00	0.00	4,379.28	0.00	0.00	4,379.28


Totals	514,553,858.12		2,152,122.02	0.00	0.00	2,152,122.02	0.00	0.00	2,152,122.02

Page 3

1761 E. St. Andrew Place				Distribution Date:	8/19/05
Santa Ana, CA 92705	*GMAC*	*Mortgage*	*Corporation*
Attn: Valerie Delgado
714-247-6320

GMAC MORTGAGE LOAN TRUST 2005-AR3
GMACM Mortgage Pass-Through Certificates, Series 2005-AR3

Current Payment Information
Factors per $1,000

		Original	Beginning Cert.			Ending Cert.	Pass
		Certificate	Notional	Principal	Interest	Notional	Through
Class	Cusip	Balance	Balance	Distribution	Distribution	Balance	Rate (%)


1-A	36185N6Y1	31,856,000.00	939.049079276	21.205407366	3.753885850	917.843671910	4.797047
2A-1	36185N6Z8	91,637,000.00	992.907334124	8.095028608	4.254792195	984.812305516	5.142223
2A-2	36185N7A2	4,420,000.00	992.907334124	8.095028608	4.254792195	984.812305516	5.142223
3A-1	36185N7B0	75,000,000.00	978.107486914	22.712340182	4.002965100	955.395146732	4.911074
3A-2	36185N7C8	4,811,000.00	978.107486914	22.712340182	4.002965100	955.395146732	4.911074
3A-3	36185N7D6	74,816,000.00	970.809592395	30.283525011	3.973098017	940.526067384	4.911074
3A-4	36185N7E4	24,940,000.00	1,000.000000000	0.000000000	4.092561557	1,000.000000000	4.911074
4A-1	36185N7F1	1,500,000.00	979.790823956	7.828042555	4.077406730	971.962781401	4.993809
4A-2	36185N7G9	12,500,000.00	974.142587174	10.015892163	4.053901551	964.126695011	4.993809
4A-3	36185N7H7	50,000,000.00	974.142587174	10.015892163	4.053901551	964.126695011	4.993809
4A-4	36185N7J3	4,000,000.00	974.142587174	10.015892163	4.053901551	964.126695011	4.993809
4A-5	36185N7K0	18,586,000.00	1,000.000000000	0.000000000	4.161507365	1,000.000000000	4.993809
5A-1	36185N7L8	100,560,000.00	991.915140847	3.387050922	4.275085576	988.528089925	5.171917
5A-2	36185N7M6	5,000,000.00	991.915140847	3.387050922	4.275085576	988.528089925	5.171917
R	36185N7N4	100.00	0.000000000	0.000000000	0.000000000	0.000000000	4.797047


M-1	36185N7P9	12,569,000.00	999.738776960	0.134340995	4.180330955	999.604435964	5.017708
M-2	36185N7Q7	4,190,000.00	999.738776960	0.134340995	4.180330955	999.604435964	5.017708
M-3	36185N7R5	2,095,000.00	999.738776960	0.134340995	4.180330955	999.604435964	5.017708
B-1	36185N7S3	2,357,000.00	999.738776960	0.134340995	4.180330955	999.604435964	5.017708
B-2	36185N7T1	1,833,000.00	999.738776960	0.134340995	4.180330955	999.604435964	5.017708
B-3	36185N7U8	1,047,546.45	999.738776960	0.134340995	4.180511518	999.604435964	5.017708


Totals		523,717,646.45	982.502425893	12.545047746	4.109317367	969.957378109

Page 4

GMACM MORTGAGE LOAN TRUST 2005-AR3 8-K