Exhibit 20

Monthly Servicing Report
Superior Wholesale Inventory Financing Trust XI
April 2005


I	Initial SWIFT XI Series 2004-A Statistics
			Trust Cap	$	4,175,825,000.00
			Pool Balance at Sale Date	$	4,758,150,489.69
			Initial Trust Balance	$	4,175,825,000.00
			Offered Class A Term Notes, Series 2005-A	$	2,000,000,000.00
			Offered Class B Term Notes, Series 2005-A	$	125,275,000.00
			Offered Class C Term Notes, Series 2005-A	$	52,198,000.00
			Offered Class D Term Notes, Series 2005-A	$	52,198,000.00
			Initial 2005-A Revolving Note Balance	$	1,800,000,000.00
			2005-A Certificate Balance	$	146,154,000.00
			Reserve Fund	$	20,879,125.00
			Class A Term Note Cash Accumulation Reserve Fund	$	33,274,000.00
			Class B Term Note Cash Accumulation Reserve Fund	$	3,549,000.00
			Class C Term Note Cash Accumulation Reserve Fund	$	2,496,000.00
			Class D Term Note Cash Accumulation Reserve Fund	$	12,324,000.00
II	Current Collection Period Statistics
		Pool and Trust Statistics
			Beginning Pool Balance	$	4,847,940,708.25
			New A/R Principal	$	1,586,253,808.44
			Principal Reductions	$	(1,393,080,477.00	)
			Factory Credits/Warranty Repurchases	$	(313,792,703.45	)
			Partial Pay-Off Account	$	28,206,116.99
			Administrative Repurchases		—
			Warranty Repurchases		—
			Eligible Accounts Repurchased		—
			Defaulted Receivables		—

			Net Change in Pool Balance	$	(92,413,255.02)

			Ending Pool Balance	$	4,755,527,453.23
			Average Daily Pool Balance	$	4,746,404,500.23
			Beginning Trust Balance	$	4,175,825,000.00
			Ending Trust Balance	$	4,175,825,000.00
			Average Daily Trust Balance	$	4,175,825,000.00
			Beginning Cash Accumulation Reserve Fund Account — Class A Term Notes	$	33,274,000.00
			Ending Cash Accumulation Reserve Fund Account — Class A Term Notes	$	33,274,000.00
			Change in Cash Accumulation Reserve Fund Account — Class A Term Notes	$	—
			Beginning Cash Accumulation Reserve Fund Account — Class B Term Notes	$	3,549,000.00
			Ending Cash Accumulation Reserve Fund Account — Class B Term Notes	$	3,549,000.00
			Change in Cash Accumulation Reserve Fund Account — Class B Term Notes	$	—
			Beginning Cash Accumulation Reserve Fund Account — Class C Term Notes	$	2,496,000.00
			Ending Cash Accumulation Reserve Fund Account — Class C Term Notes	$	2,496,000.00
			Change in Cash Accumulation Reserve Fund Account — Class C Term Notes	$	—
			Beginning Cash Accumulation Reserve Fund Account — Class D Term Notes	$	12,324,000.00
			Ending Cash Accumulation Reserve Fund Account — Class D Term Notes	$	12,324,000.00
			Change in Cash Accumulation Reserve Fund Account — Class D Term Notes	$	—
			Excess Available Receivable Balance	$	219,174,141.78
			Defaulted Receivables — Eligible		—
			Defaulted Receivables — Ineligible		—
			Gross Weighted Average Receivable Rate		4.96	%
			Weighted Average Cost of Wholesale Incentive Plan		0.05	%
		Securities Balances
			Beginning Offered Class A Term Notes, Series 2005-A Balance	$	2,000,000,000.00
			Ending Offered Class A Term Notes, Series 2005-A Balance	$	2,000,000,000.00
			Average Daily Offered Class A Term Notes, Series 2005-A Balance	$	2,000,000,000.00
			Beginning Offered Class B Term Notes, Series 2005-A Balance	$	125,275,000.00
			Ending Offered Class B Term Notes, Series 2005-A Balance	$	125,275,000.00
			Average Daily Offered Class B Term Notes, Series 2005-A Balance	$	125,275,000.00
			Beginning Offered Class C Term Notes, Series 2005-A Balance	$	52,198,000.00
			Ending Offered Class C Term Notes, Series 2005-A Balance	$	52,198,000.00
			Average Daily Offered Class C Term Notes, Series 2005-A Balance	$	52,198,000.00
			Beginning Offered Class D Term Notes, Series 2005-A Balance	$	52,198,000.00
			Ending Offered Class D Term Notes, Series 2005-A Balance	$	52,198,000.00
			Average Daily Offered Class D Term Notes, Series 2005-A Balance	$	52,198,000.00
			Beginning Revolving Note 2005-RN1 Balance	$	900,000,000.00
			Ending Revolving Note 2005-RN1 Balance	$	900,000,000.00
			Average Daily Revolving Note 2005-RN1 Balance	$	900,000,000.00
			Beginning Revolving Note 2005-RN2 Balance	$	900,000,000.00
			Ending Revolving Note 2005-RN2 Balance	$	900,000,000.00
			Average Daily Revolving Note 2005-RN2 Balance	$	900,000,000.00
			Beginning 2005-A Certificate Balance	$	146,154,000.00
			Ending 2005-A Certificate Balance	$	146,154,000.00
			Average Daily 2005-A Certificate Balance	$	146,154,000.00
III	Trust Percentage & Trust Interest Collections
			Average Daily Offered Class A Term Notes, Series 2005-A Balance	$	2,000,000,000.00
			Average Daily Offered Class B Term Notes, Series 2005-A Balance	$	125,275,000.00
			Average Daily Offered Class C Term Notes, Series 2005-A Balance	$	52,198,000.00
			Average Daily Offered Class D Term Notes, Series 2005-A Balance	$	52,198,000.00
			Average Daily Revolving Note 2005-RN1 Balance	$	900,000,000.00
			Average Daily Revolving Note 2005-RN2 Balance	$	900,000,000.00
			Average Daily 2005-A Certificate Balance	$	146,154,000.00

			Average Daily Trust Balance	$	4,175,825,000.00

			Average Daily Pool Balance	$	4,746,404,500.23
			Total Interest Collected	$	23,578,537.85
			Trust Percentage		87.9787	%

Monthly Servicing Report
Superior Wholesale Inventory Financing Trust XI
April 2005


							Beginning					Ending
							Note Distribution	Current Month		Required		Note Distribution
							Account Balance	Actual Amounts		Distribution		Account Balance
IV Distribution of Trust Interest
	Available Trust Interest:
		Trust Interest Collections						$	11,880,191.74
		Minimum Investment Proceeds (Commercial Paper)						$	46,058.00
		Minimum Investment Proceeds (Money Market Funds)						$	113,282.50

								$	12,039,532.24

		Class A Term Notes Interest	Interest Rate (LIBOR+.12%)		3.07375	%
			Average Daily Balance	$	2,000,000,000.00		NA	$	5,293,680.56	$	5,293,680.56	NA
			# of Days of Interest		31

		Class B Term Notes Interest	Interest Rate (LIBOR+.30%)		3.25375	%
			Average Daily Balance	$	125,275,000.00		NA	$	351,000,54	$	351,000.54	NA
			# of Days of Interest		31

		Class C Term Notes Interest	Interest Rate (LIBOR+.60%)		3.55375	%
			Average Daily Balance	$	52,198,000.00		NA	$	159,734.94	$	159,734.94	NA
			# of Days in Collection Period		31

		Class D Term Notes Interest	Interest Rate (LIBOR+3.50%)		6.45375	%
			Average Daily Balance	$	52,198,000.00		NA	$	290,084.95	$	290,084.95	NA
			# of Days in Collection Period		31

		Revolving Note 2005-RN1	Interest Rate (LIBOR+.17%)		3.03000	%
			Average Daily Balance	$	900,000,000.00		NA	$	2,272,500.00	$	2,272,500.00	NA
			# of Days in Collection Period		30

		Revolving Note 2005-RN2	Interest Rate (LIBOR+.17%)		3.03000	%
			Average Daily Balance	$	900,000,000.00		NA	$	2,272,500.00	$	2,272,500.00	NA
			# of Days in Collection Period		30
				Subtotal				$	10,639,500.99

			Interest Available After Notes					$	1,400,031.25


Servicer Advances Not Previously Reimbursed								$	—
Reserve Fund Deposit Amount								$	—
Cash Accumulation Reserve Fund Deposit Amount								$	—
2005-A Certificate Interest	Interest Rate (LIBOR+3.50%)		6.45375	%
	Average Daily Balance	$	146,154,000.00		NA	$	812,235.63	$	812,235.63	NA
	# of Days of Interest		31
Trust Defaulted Amount						$	—
Unreimbursed Trust Charge-Offs						$	—

			Seller Excess Interest			$	587,795.62

Class A Term Note Cash Accumulation Reserve Fund Draw Amount						$	—

Class B Term Note Cash Accumulation Reserve Fund Draw Amount						$	—

Class C Term Note Cash Accumulation Reserve Fund Draw Amount						$	—

Class D Term Note Cash Accumulation Reserve Fund Draw Amount						$	—
			Seller Excess Interest + Draw Amount			$	587,795.62

Monthly Service Fee (1/12 of 1% of Average Daily Trust Invested Balance)						$	3,479,854.17


V Summary
(A)	Coverage of Deficiency Amount
	Deficiency Amount		$	—			From Bank of New York to GMAC

	Deficiency Amount Covered by Servicer Advance			—			Seller Excess Interest	$	587,795.62
	(a)	Monthly Service Fee		—			Cash Accumulation Draw Amount-Class A Term Notes	$	—
							Cash Accumulation Draw Amount-Class B Term Notes	$	—
	(b)	(1) Aggregate Term Noteholders’ Interest		—			Cash Accumulation Draw Amount-Class C Term Notes	$	—
		(2) Revolver Interest		—			Cash Accumulation Draw Amount-Class D Term Notes	$	—
		(3) Specified Support Arrangements Payments		—			Ineligible Interest	$	—
	(c)	Aggregate Certificateholders’ Interest		—			Additional Trust Principal	$	—
	Unsatisfied Deficiency Amount			—			Minimum Investments Received for Current Month	$	(113,282.50	)

	Unsatisfied Deficiency Amount Covered by Reserve			—			5/16/2005 — Distribution to GMAC	$	474,513.12
	(a)	Monthly Service Fee		—			From Bank of New York to Chase Manhattan Bank (USA)
	(b)	(1) Aggregate Term Noteholders’ Interest		—			From Chase Manhattan Bank (USA) - New York to GMAC
		(2) Revolver Interest		—			Certificate Interest Due GMAC	$	812,235.63

		(3) Specified Support Arrangements Payments		—
	(c)	Aggregate Certificateholders’ Interest		—			From Bank of New York to US Bank (NCAT)
	(d)	Servicer Advances not previously reimbursed		—			Revolving Note Interest	$	4,545,000.00
	(e)	Trust Defaulted Amount		—
							From Bank of New York to Term Note Holders (DTC)
(B)	Beginning Unreimbursed Trust Charge-Offs			—			Term Note Interest Due Investors (Class A, B, C)	$	5,804,416.04
		Plus: Trust Charge-Offs (Prior Trust Defaulted Amount)		—
		Plus: Trust Defaulted Amounts (Current)		—			From Bank of New York to GMAC

		Less: Amount Covered by Trust Interest Collections		—			Term Note Interest due GMAC (Class D)	$	290,084.95
		Less: Reserve Fund Draw Amount		—

	Ending Unreimbursed Trust Charge-Offs			—			Total Term Note Interest	$	6,094,500.99



(C)	Beginning Unreimbursed Servicer Advance			—			Total Disbursements From Bank of New York	$	11,926,249.74

		Plus: Servicer Advance (Current Month)		—
		Less: Reimbursed Servicer Advance-
		(From Trust Interest Collections)		—

	Ending Unreimbursed Servicer Advance			—

(D)	Reserve Fund Required Amount		$	20,879,125.00
	Beginning Reserve Balance		$	20,879,125.00
		Plus: Reserve Fund Deposit Amount		—
		Less: Reserve Fund Draw Amount		—

	Ending Reserve Balance		$	20,879,125.00		Invest in C.P. from May 16, 2005 to June 14, 2005

	Required Amount Over Ending Reserve Balance		$	—
(E)	Class A Term Notes Cash Accumulation Reserve Fund Required Amount		$	33,274,000.00
	Beginning Class A Term Notes Cash Accumulation Reserve Fund Balance		$	33,274,000.00
		Plus: Cash Accumulation Reserve Fund Deposit Amount		—
		Less: Cash Accumulation Reserve Fund Draw Amount	$	—	@	Distribution to GMAC

	Ending Class A Term Notes Cash Accumulation Reserve Fund Balance		$	33,274,000.00		Invest in Nations Money Market Funds from May 16, 2005 to June 14, 2005

	Required Amt. Over Ending Cash Accum. Reserve Fund Bal.		$	—
(F)	Cash B Term Notes Cash Accumulation Reserve Fund Required Amount		$	3,549,000.00
	Beginning Cash Accumulation Reserve Fund Balance		$	3,549,000.00
		Plus: Cash Accumulation Reserve Fund Deposit Amount		—
		Less: Cash Accumulation Reserve Fund Draw Amount	$	—	@	Distribution to GMAC

	Ending Class B Term Notes Cash Accumulation Reserve Fund Balance		$	3,549,000.00		Invest in Nations Money Market Funds from May 16, 2005 to June 14, 2005

	Required Amt. Over Ending Cash Accum. Reserve Fund Bal.		$	—
(G)	Cash C Term Notes Cash Accumulation Reserve Fund Required Amount		$	2,496,000.00
	Beginning Cash C Term Notes Accumulation Reserve Fund Balance		$	2,496,000.00
		Plus: Cash Accumulation Reserve Fund Deposit Amount		—
		Less: Cash Accumulation Reserve Fund Draw Amount	$	—	@	Distribution to GMAC

	Ending Class C Term Notes Cash Accumulation Reserve Fund Balance		$	2,496,000.00		Invest in Nations Money Market Funds from May 16, 2005 to June 14, 2005

	Required Amt. Over Ending Cash Accum. Reserve Fund Bal.		$	—
(H)	Cash D Term Notes Cash Accumulation Reserve Fund Required Amount		$	12,324,000.00
	Beginning Cash C Term Notes Cash Accumulation Reserve Fund Balance		$	12,324,000.00
		Plus: Cash Accumulation Reserve Fund Deposit Amount		—
		Less: Cash Accumulation Reserve Fund Draw Amount	$	—	@	Distribution to GMAC

	Ending Class C Term Notes Cash Accumulation Reserve Fund Balance		$	12,324,000.00		Invest in Nations Money Market Funds from May 16, 2005 to June 14, 2005

	Required Amt. Over Ending Cash Accum. Reserve Fund Bal.		$	—

Monthly Servicing Report
Superior Wholesale Inventory Financing Trust XI
April 2005


VI	Distribution Amounts
		Class A Term Notes, Series 2005-A Balance Prior to Distribution		$	2,000,000,000.00
			Distribution Amount Allocable to Principal		0.00

		Class A Term Notes, Series 2005-A Balance After Distribution		$	2,000,000,000.00

		Class B Term Notes, Series 2005-A Balance Prior to Distribution		$	125,275,000.00
			Distribution Amount Allocable to Principal		0.00

		Class B Term Notes, Series 2005-A Balance After Distribution		$	125,275,000.00

		Class C Term Notes, Series 2005-A Balance Prior to Distribution		$	52,198,000.00
			Distribution Amount Allocable to Principal		0.00

		Class C Term Notes, Series 2005-A Balance After Distribution		$	52,198,000.00

		Class D Term Notes, Series 2005-A Balance Prior to Distribution		$	52,198,000.00
			Distribution Amount Allocable to Principal		0.00

		Class D Term Notes, Series 2005-A Balance After Distribution		$	52,198,000.00

		Revolving Note 2005-RN1 Balance Beginning of Collection Period		$	900,000,000.00
			Movement During Collection Period		0.00

		Revolving Note 2005-RN1 Balance End of Collection Period		$	900,000,000.00

		Revolving Note 2005-RN2 Balance Beginning of Collection Period		$	900,000,000.00
			Movement During Collection Period		0.00

		Revolving Note 2005-RN2 Balance End of Collection Period		$	900,000,000.00

		2005-A Certificate Balance Prior to Distribution		$	146,154,000.00
			Distribution Amount Allocable to Principal		0.00

		2005-A Certificate Balance After Distribution		$	146,154,000.00

VII	Trust Early Amortization Triggers
	(1)	Average Monthly Payment Rates <20.0%
			Current month		27.6	%
			Current month — 1		31.2	%
			Current month — 2		29.8	%
			Three month Average	29.5		%
	(2)	Reserve Fund < Reserve Fund Required Amount
			Reserve Fund on Deposit	$	20,879,125.00
			Reserve Fund Required Amount	$	20,879,125.00

			Current month	$	—

			Reserve Fund on Deposit	$	20,879,125.00
			Reserve Fund Required Amount	$	20,879,125.00

			Current month — 1	$	—

			Reserve Fund on Deposit	$	—
			Reserve Fund Required Amount	$	—

			Current month — 2	$	—

	(3)	Reserve Fund Required Amount Exceeds Reserve Fund by > Reserve Fund Trigger Amount
			Reserve Fund Required Amount	$	20,879,125.00
			Reserve Fund on Deposit	$	20,879,125.00

			Current month	$	—

			Reserve Fund Trigger Amount	$	20,000,000.00
	(4)	Average Daily Trust Balance/(Average Term Notes + Average Certificate Balance) Less than 75%
		(To be determined over most recent six Collection Periods)
			Current month		179.7	%
			Current month — 1		179.7	%
			Current month — 2		179.7	%
			Current month — 3	NA
			Current month — 4	NA
			Current month — 5	NA
			Six month Average	NA
	(5)	Aggregate Available Receivables < 70% of Aggregate Receivables
			Current month		93.3	%
			Current month — 1		93.7	%
	(6)	Draw on the Reserve Fund resulting from LIBOR exceeding the PRIME rate that has not been restored?		NO
VIII	Cash Accumulation Triggers
	Have any of the above Trust Early Amortization Events occurred with respect to the Offered Term Notes?			NO
IX	Rapid Amortization Triggers
	Have any of the following events occurred which would constitute a Rapid Amortization Event for the 2005-A Term Notes and an Early Amortization Event for the Trust?
	(1)	The occurrence of certain events of bankruptcy, insolvency or receivership relating to General Motors, GMAC, the servicer, if not GMAC, or the seller.		NO
	Rapid Amortization Triggers for the 2005-A Term Notes
	(2)	Class A Term Note Cash Accumulation Reserve Fund < $1,866,667		NO
			Current Month	$	33,274,000.00
	(3)	Class B Term Note Cash Accumulation Reserve Fund < $135,715		NO
			Current Month	$	3,549,000.00
	(4)	Class C Term Note Cash Accumulation Reserve Fund < $69,597		NO
			Current Month	$	2,496,000.00
	(5)	Class C Term Note Cash Accumulation Reserve Fund < $195,743		NO
			Current Month	$	12,324,000.00
	(6)	Trust or Seller becomes required to register as an investment company.		NO

SUPERIOR WHOLESALE INVENTORY FINANCING TRUST XI 8-K