EXHIBIT 25.5.3

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FORM T-1

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

STATEMENT OF ELIGIBILITY

UNDER THE TRUST INDENTURE ACT OF 1939 OF A

CORPORATION DESIGNATED TO ACT AS TRUSTEE

CHECK IF AN APPLICATION TO DETERMINE

ELIGIBILITY OF A TRUSTEE PURSUANT TO

SECTION 305(b)(2)           |__|

___________________________

THE BANK OF NEW YORK

(Exact name of trustee as specified in its charter)

|New York(State of incorporationif not a U.S. national bank)             | 13-5160382(I.R.S. employeridentification no.)
|----------------------------------------------------------------------- | ---------------------------------------------
|One Wall Street, New York, N.Y.(Address of principal executive offices) | 10286(Zip code)                              

___________________________

CAPITAL ONE FINANCIAL CORPORATION

(Exact name of obligor as specified in its charter)

|Delaware(State or other jurisdiction ofincorporation or organization)          | 54-1719854(I.R.S. employeridentification no.)
|------------------------------------------------------------------------------ | ---------------------------------------------
|1680 Capital One DriveMcLean, Virginia(Address of principal executive offices) | 22102(Zip code)                              

___________________________

Guarantee of Trust Preferred Securities of

Capital One Capital IV

(Title of the indenture securities)

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|                                                 | 1.                                                                  | General information. Furnish the following information as to the Trustee:           | 
|------------------------------------------------ | ------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | 
|                                                 | (a)                                                                 | Name and address of each examining or supervising authority to which it is subject. | 
|Name                                             | Address                                                            
|Superintendent of Banks of the State of New York | One State Street, New York, N.Y. 10004-1417, and Albany, N.Y. 12223
|Federal Reserve Bank of New York                 | 33 Liberty Street, New York, N.Y. 10045                            
|Federal Deposit Insurance Corporation            | Washington, D.C. 20429                                             
|New York Clearing House Association              | New York, New York 10005                                           
|                                                 | (b)                                                                 | Whether it is authorized to exercise corporate trust powers.                        | 
|                                                 |                                                                     |                                                                                     | 

Yes.

|2. | Affiliations with Obligor.
|-- | --------------------------

If the obligor is an affiliate of the trustee, describe eachsuch affiliation.

None.

|16. | List of Exhibits.
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Exhibits identified in parentheses below, on file with the Commission, are incorporated herein by reference as an exhibit hereto, pursuant to Rule 7a-29 under the Trust Indenture Act of 1939 (the "Act") and 17 C.F.R. 229.10(d).

|1. | A copy of the Organization Certificate of The Bank of New York (formerly Irving Trust Company) as now in effect, which contains the authority to commence business and a grant of powers to exercise corporate trust powers.  (Exhibit 1 to Amendment No. 1 to Form T-1 filed with Registration Statement No. 33-6215, Exhibits 1a and 1b to Form T-1 filed with Registration Statement No. 33-21672, Exhibit 1 to Form T-1 filed with Registration Statement No. 33-29637 and Exhibit 1 to Form T-1 filed with Registration Statement No. 333-121195.)
|-- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|4. | A copy of the existing By-laws of the Trustee. (Exhibit 4 to Form T-1 filed with Registration Statement No. 333-121195.)
|-- | ------------------------------------------------------------------------------------------------------------------------







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|6. | The consent of the Trustee required by Section 321(b) of the Act.  (Exhibit 6 to Form T-1 filed with Registration Statement No. 333-106702.)       
|-- | ---------------------------------------------------------------------------------------------------------------------------------------------------
|7. | A copy of the latest report of condition of the Trustee published pursuant to law or to the requirements of its supervising or examining authority.





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SIGNATURE

Pursuant to the requirements of the Act, the Trustee, The Bank of New York, a corporation organized and existing under the laws of the State of New York, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in The City of New York, and State of New York, on the 7th day of July, 2005.



|THE BANK OF NEW YORK
|--------------------
|By:/S/ VAN K. BROWN 
|Name:               
|Title:              















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EXHIBIT 7



Consolidated Report of Condition of

THE BANK OF NEW YORK

of One Wall Street, New York, N.Y. 10286

And Foreign and Domestic Subsidiaries,

a member of the Federal Reserve System, at the close of business March 31, 2005, published in accordance with a call made by the Federal Reserve Bank of this District pursuant to the provisions of the Federal Reserve Act.

|ASSETS                                                                 | Dollar AmountsIn Thousands
|---------------------------------------------------------------------- | --------------------------
|Cash and balances due from depository institutions:                    |                           
|Noninterest-bearing balances and currency and coin                     | $2,292,000                
|Interest-bearing balances                                              | 7,233,000                 
|Securities:                                                            |                           
|Held-to-maturity securities                                            | 1,831,000                 
|Available-for-sale securities                                          | 21,039,000                
|Federal funds sold and securities purchased under agreements to resell |                           
|Federal funds sold in domestic offices                                 | 1,965,000                 
|Securities purchased under agreements to
      resell                  | 379,000                   
|Loans and lease financing receivables:                                 |                           
|Loans and leases held for sale                                         | 35,000                    
|Loans and leases, net of unearnedincome                                | 31,461,000                
|LESS: Allowance for loan andlease losses                               | 579,000                   
|Loans and leases, net of unearnedincome and allowance                  | 30,882,000                
|Trading Assets                                                         | 4,656,000                 
|Premises and fixed assets (including capitalized leases)               | 832,000                   
|Other real estate owned                                                | 0                         
|Investments in unconsolidated subsidiaries and associated companies    | 269,000                   
|Customers' liability to this bank on acceptances outstanding           | 54,000                    
|Intangible assets:                                                     |                           
|Goodwill                                                               | 2,042,000                 
|Other intangible assets                                                | 740,000                   

|Other assets                                                                                          | 5,867,000  
|----------------------------------------------------------------------------------------------------- | -----------
|Total assets                                                                                          | $80,116,000
|LIABILITIES                                                                                           |            
|Deposits:                                                                                             |            
|In domestic offices                                                                                   | $34,241,000
|Noninterest-bearing                                                                                   | 15,330,000 
|Interest-bearing                                                                                      | 18,911,000 
|In foreign offices, Edge and Agreement subsidiaries, and IBFs                                         | 25,464,000 
|Noninterest-bearing                                                                                   | 548,000    
|Interest-bearing                                                                                      | 24,916,000 
|Federal funds purchased and securities sold under agreements to repurchase                            |            
|Federal funds purchased in domestic
      offices                                                     | 735,000    
|Securities sold under agreements to
      repurchase                                                  | 121,000    
|Trading liabilities                                                                                   | 2,780,000  
|Other borrowed money:(includes mortgage indebtedness and obligations under capitalized leases)....... | 1,560,000  
|Not applicable                                                                                        |            
|Bank's liability on acceptances executed and outstanding                                              | 55,000     
|Subordinated notes and debentures                                                                     | 1,440,000  
|Other liabilities                                                                                     | 5,803,000  
|Total liabilities                                                                                     | $72,199,000
|Minority interest in consolidated subsidiaries                                                        | 141,000    
|EQUITY CAPITAL                                                                                        |            
|Perpetual preferred stock and relatedsurplus                                                          | 0          
|Common stock                                                                                          | 1,135,000  
|Surplus (exclude all surplus related to preferred stock)                                              | 2,088,000  
|Retained earnings                                                                                     | 4,643,000  
|Accumulated other comprehensive income                                                                | -90,000    
|Other equity capital components                                                                       | 0          



|Total equity capital                                     | 7,776,000  
|-------------------------------------------------------- | -----------
|Total liabilities, minority interest, and equity capital | $80,116,000

I, Thomas J. Mastro, Senior Vice President and Comptroller of the above-named bank do hereby declare that this Report of Condition is true and correct to the best of my knowledge and belief.

Thomas J. Mastro,

Senior Vice President and Comptroller

We, the undersigned directors, attest to the correctness of this statement of resources and liabilities. We declare that it has been examined by us, and to the best of our knowledge and belief has been prepared in conformance with the instructions and is true and correct.

|Thomas A. RenyiGerald L. Hassell
      Alan R. Griffith | ] | Directors
|------------------------------------------------------- | - | ---------