Dealer
Top candidates
| 1. John Cornyn, Republican | $10,000 |
| 2. John B.T. Campbell, Republican | $8,500 |
| 3. Chris Chocola | $8,250 |
| 4. Ronald Paul, Write-In, Constitution Party of Montana, Louisiana Taxpayers Party | $5,750 |
| 5. Samuel Graves, Republican | $5,500 |
Top committees
| 1. Dealers Election Action Committee Of The National Automotive Dealers Association | $3,678,500 |
| 2. Automotive Free International Trade Pac | $809,100 |
| 3. Dnc Services Corporation/Democratic National Committee | $21,350 |
| 4. Bush-Cheney '04 (Primary) Inc | $19,600 |
| 5. Auto Dealers And Drivers For Free Trade Pac | $14,450 |
