1761 E. St. Andrew Place				Distribution Date:	7/19/05
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	31,527,991.62	4.823895	1,613,644.15	126,739.98	1,740,384.13	0.00	29,914,347.47	0.00
2A-1	36185N6Z8	Senior	Var-30/360	91,282,429.72	5.142538	295,380.34	391,186.10	686,566.44	0.00	90,987,049.38	0.00
2A-2	36185N7A2	Senior	Var-30/360	4,402,897.73	5.142538	14,247.31	18,868.39	33,115.70	0.00	4,388,650.42	0.00
3A-1	36185N7B0	Senior	Var-30/360	74,502,679.96	4.911375	1,144,618.44	304,925.52	1,449,543.96	0.00	73,358,061.52	0.00
3A-2	36185N7C8	Senior	Var-30/360	4,779,098.58	4.911375	73,423.46	19,559.96	92,983.42	0.00	4,705,675.12	0.00
3A-3	36185N7D6	Senior	Var-30/360	74,154,524.56	4.911375	1,522,434.09	303,500.58	1,825,934.67	0.00	72,632,090.46	0.00
3A-4	36185N7E4	Senior	Var-30/360	24,940,000.00	4.911375	0.00	102,074.75	102,074.75	0.00	24,940,000.00	0.00
4A-1	36185N7F1	Senior	Var-30/360	1,484,250.80	4.999623	14,564.56	6,183.91	20,748.47	0.00	1,469,686.24	0.00
4A-2	36185N7G9	Senior	Var-30/360	12,332,075.58	4.999623	155,293.24	51,379.77	206,673.01	0.00	12,176,782.34	0.00
4A-3	36185N7H7	Senior	Var-30/360	49,328,302.33	4.999623	621,172.98	205,519.10	826,692.08	0.00	48,707,129.36	0.00
4A-4	36185N7J3	Senior	Var-30/360	3,946,264.19	4.999623	49,693.84	16,441.53	66,135.37	0.00	3,896,570.35	0.00
4A-5	36185N7K0	Senior	Var-30/360	18,586,000.00	4.999623	0.00	77,435.83	77,435.83	0.00	18,586,000.00	0.00
5A-1	36185N7L8	Senior	Var-30/360	99,802,178.21	5.172065	55,191.65	430,152.79	485,344.44	0.00	99,746,986.56	0.00
5A-2	36185N7M6	Senior	Var-30/360	4,962,319.92	5.172065	2,744.21	21,387.87	24,132.08	0.00	4,959,575.70	0.00
R	36185N7N4	Senior	Var-30/360	0.00	4.823895	0.00	0.00	0.00	0.00	0.00	0.00


M-1	36185N7P9	Mezzanine	Var-30/360	12,567,362.90	5.020618	1,646.22	52,579.94	54,226.16	0.00	12,565,716.69	0.00
M-2	36185N7Q7	Mezzanine	Var-30/360	4,189,454.26	5.020618	548.78	17,528.04	18,076.82	0.00	4,188,905.48	0.00
M-3	36185N7R5	Mezzanine	Var-30/360	2,094,727.13	5.020618	274.39	8,764.02	9,038.41	0.00	2,094,452.74	0.00
B-1	36185N7S3	Junior	Var-30/360	2,356,693.00	5.020618	308.71	9,860.05	10,168.76	0.00	2,356,384.30	0.00
B-2	36185N7T1	Junior	Var-30/360	1,832,761.25	5.020618	240.08	7,668.00	7,908.08	0.00	1,832,521.18	0.00
B-3	36185N7U8	Junior	Var-30/360	1,047,410.01	5.020618	137.20	4,382.20	4,519.40	0.00	1,047,272.81	0.00


Totals				520,119,421.75		5,565,563.65	2,176,138.33	7,741,701.98	0.00	514,553,858.12	0.00

Page 1

1761 E. St. Andrew Place								Distribution Date:		7/19/05
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	31,527,991.62	1,613,644.15	0.00	0.00	1,613,644.15	0.00	29,914,347.47	0.93904907928
2A-1	36185N6Z8	91,637,000.00	91,282,429.72	295,380.34	0.00	0.00	295,380.34	0.00	90,987,049.38	0.99290733412
2A-2	36185N7A2	4,420,000.00	4,402,897.73	14,247.31	0.00	0.00	14,247.31	0.00	4,388,650.42	0.99290733412
3A-1	36185N7B0	75,000,000.00	74,502,679.96	1,144,618.44	0.00	0.00	1,144,618.44	0.00	73,358,061.52	0.97810748691
3A-2	36185N7C8	4,811,000.00	4,779,098.58	73,423.46	0.00	0.00	73,423.46	0.00	4,705,675.12	0.97810748691
3A-3	36185N7D6	74,816,000.00	74,154,524.56	1,522,434.09	0.00	0.00	1,522,434.09	0.00	72,632,090.46	0.97080959240
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	1,484,250.80	14,564.56	0.00	0.00	14,564.56	0.00	1,469,686.24	0.97979082396
4A-2	36185N7G9	12,500,000.00	12,332,075.58	155,293.24	0.00	0.00	155,293.24	0.00	12,176,782.34	0.97414258717
4A-3	36185N7H7	50,000,000.00	49,328,302.33	621,172.98	0.00	0.00	621,172.98	0.00	48,707,129.36	0.97414258717
4A-4	36185N7J3	4,000,000.00	3,946,264.19	49,693.84	0.00	0.00	49,693.84	0.00	3,896,570.35	0.97414258717
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	99,802,178.21	55,191.65	0.00	0.00	55,191.65	0.00	99,746,986.56	0.99191514085
5A-2	36185N7M6	5,000,000.00	4,962,319.92	2,744.21	0.00	0.00	2,744.21	0.00	4,959,575.70	0.99191514085
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	12,567,362.90	1,646.22	0.00	0.00	1,646.22	0.00	12,565,716.69	0.99973877696
M-2	36185N7Q7	4,190,000.00	4,189,454.26	548.78	0.00	0.00	548.78	0.00	4,188,905.48	0.99973877696
M-3	36185N7R5	2,095,000.00	2,094,727.13	274.39	0.00	0.00	274.39	0.00	2,094,452.74	0.99973877696
B-1	36185N7S3	2,357,000.00	2,356,693.00	308.71	0.00	0.00	308.71	0.00	2,356,384.30	0.99973877696
B-2	36185N7T1	1,833,000.00	1,832,761.25	240.08	0.00	0.00	240.08	0.00	1,832,521.18	0.99973877696
B-3	36185N7U8	1,047,546.45	1,047,410.01	137.20	0.00	0.00	137.20	0.00	1,047,272.81	0.99973877696


Totals		523,717,646.45	520,119,421.75	5,565,563.65	0.00	0.00	5,565,563.65	0.00	514,553,858.12

Page 2

1761 E. St. Andrew Place								Distribution Date:		7/19/05
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	31,527,991.62	4.823895	126,739.98	0.00	0.00	126,739.98	0.00	0.00	126,739.98
2A-1	91,282,429.72	5.142538	391,186.10	0.00	0.00	391,186.10	0.00	0.00	391,186.10
2A-2	4,402,897.73	5.142538	18,868.39	0.00	0.00	18,868.39	0.00	0.00	18,868.39
3A-1	74,502,679.96	4.911375	304,925.52	0.00	0.00	304,925.52	0.00	0.00	304,925.52
3A-2	4,779,098.58	4.911375	19,559.96	0.00	0.00	19,559.96	0.00	0.00	19,559.96
3A-3	74,154,524.56	4.911375	303,500.58	0.00	0.00	303,500.58	0.00	0.00	303,500.58
3A-4	24,940,000.00	4.911375	102,074.75	0.00	0.00	102,074.75	0.00	0.00	102,074.75
4A-1	1,484,250.80	4.999623	6,183.91	0.00	0.00	6,183.91	0.00	0.00	6,183.91
4A-2	12,332,075.58	4.999623	51,379.77	0.00	0.00	51,379.77	0.00	0.00	51,379.77
4A-3	49,328,302.33	4.999623	205,519.10	0.00	0.00	205,519.10	0.00	0.00	205,519.10
4A-4	3,946,264.19	4.999623	16,441.53	0.00	0.00	16,441.53	0.00	0.00	16,441.53
4A-5	18,586,000.00	4.999623	77,435.83	0.00	0.00	77,435.83	0.00	0.00	77,435.83
5A-1	99,802,178.21	5.172065	430,152.79	0.00	0.00	430,152.79	0.00	0.00	430,152.79
5A-2	4,962,319.92	5.172065	21,387.87	0.00	0.00	21,387.87	0.00	0.00	21,387.87
R	0.00	4.823895	0.00	0.00	0.00	0.00	0.00	0.00	0.00


M-1	12,567,362.90	5.020618	52,579.94	0.00	0.00	52,579.94	0.00	0.00	52,579.94
M-2	4,189,454.26	5.020618	17,528.04	0.00	0.00	17,528.04	0.00	0.00	17,528.04
M-3	2,094,727.13	5.020618	8,764.02	0.00	0.00	8,764.02	0.00	0.00	8,764.02
B-1	2,356,693.00	5.020618	9,860.05	0.00	0.00	9,860.05	0.00	0.00	9,860.05
B-2	1,832,761.25	5.020618	7,668.00	0.00	0.00	7,668.00	0.00	0.00	7,668.00
B-3	1,047,410.01	5.020618	4,382.20	0.00	0.00	4,382.20	0.00	0.00	4,382.20


Totals	520,119,421.75		2,176,138.33	0.00	0.00	2,176,138.33	0.00	0.00	2,176,138.33

Page 3

1761 E. St. Andrew Place								Distribution Date:		7/19/05
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	989.703403323	50.654324046	3.978527750	939.049079276	4.823895
2A-1	36185N6Z8	91,637,000.00	996.130708287	3.223374163	4.268866341	992.907334124	5.142538
2A-2	36185N7A2	4,420,000.00	996.130708287	3.223374163	4.268866341	992.907334124	5.142538
3A-1	36185N7B0	75,000,000.00	993.369066097	15.261579183	4.065673587	978.107486914	4.911375
3A-2	36185N7C8	4,811,000.00	993.369066097	15.261579183	4.065673587	978.107486914	4.911375
3A-3	36185N7D6	74,816,000.00	991.158636623	20.349044228	4.056626713	970.809592395	4.911375
3A-4	36185N7E4	24,940,000.00	1,000.000000000	0.000000000	4.092812758	1,000.000000000	4.911375
4A-1	36185N7F1	1,500,000.00	989.500530103	9.709706147	4.122608075	979.790823956	4.999623
4A-2	36185N7G9	12,500,000.00	986.566046681	12.423459507	4.110381982	974.142587174	4.999623
4A-3	36185N7H7	50,000,000.00	986.566046681	12.423459507	4.110381982	974.142587174	4.999623
4A-4	36185N7J3	4,000,000.00	986.566046681	12.423459507	4.110381982	974.142587174	4.999623
4A-5	36185N7K0	18,586,000.00	1,000.000000000	0.000000000	4.166352568	1,000.000000000	4.999623
5A-1	36185N7L8	100,560,000.00	992.463983803	0.548842956	4.277573457	991.915140847	5.172065
5A-2	36185N7M6	5,000,000.00	992.463983803	0.548842956	4.277573457	991.915140847	5.172065
R	36185N7N4	100.00	0.000000000	0.000000000	0.000000000	0.000000000	4.823895


M-1	36185N7P9	12,569,000.00	999.869751250	0.130974290	4.183303471	999.738776960	5.020618
M-2	36185N7Q7	4,190,000.00	999.869751250	0.130974290	4.183303471	999.738776960	5.020618
M-3	36185N7R5	2,095,000.00	999.869751250	0.130974290	4.183303471	999.738776960	5.020618
B-1	36185N7S3	2,357,000.00	999.869751250	0.130974290	4.183303471	999.738776960	5.020618
B-2	36185N7T1	1,833,000.00	999.869751250	0.130974290	4.183303471	999.738776960	5.020618
B-3	36185N7U8	1,047,546.45	999.869751250	0.130974290	4.183298984	999.738776960	5.020618


Totals		523,717,646.45	993.129456828	10.627030973	4.155174730	982.502425893

Page 4

GMACM MORTGAGE LOAN TRUST 2005-AR3 8-K