IROC XXVIII was the 28th season of the Crown Royal International Race of Champions, which began on Friday, February 13, 2004 at Daytona International Speedway. The all-star roster included twelve drivers from five premier racing series. Matt Kenseth won the championship, finishing third in the first race, last in the second race, and first in the final two races.
The roster of drivers and final points standings were as follows:[1]
| Position | Driver | Points | Car Number | Series | |
|---|---|---|---|---|---|
| 1 | 72 |
| NASCAR Nextel Cup | ||
| 2 | 67 |
| NASCAR Nextel Cup | ||
| 3 | 55 |
| NASCAR Nextel Cup | ||
| 4 | 46 |
| NASCAR Nextel Cup | ||
| 5 | 46 |
| NASCAR Nextel Cup | ||
| 6 | 43 |
| World of Outlaws | ||
| 7 | 34 |
| Indy Racing League | ||
| 8 | 34 |
| NASCAR Craftsman Truck Series | ||
| 9 | 32 |
| Indy Racing League | ||
| 10 | 30 |
| Indy Racing League | ||
| 11 | 29 |
| World of Outlaws | ||
| 12 | 22 |
| USAC |
| Driver | DAY | TEX | RCH | ATL | Pts | |
|---|---|---|---|---|---|---|
| 1 |  Matt Kenseth | 3 | 12 | 1 | 1 | 72 |
| 2 | Ryan Newman | 1 | 4 | 2 | 2 | 67 |
| 3 | Kevin Harvick | 7 | 2 | 5 | 7 | 55 |
| 4 | Jimmie Johnson | 4 | 3 | 4 | 6 | 46 |
| 5 | Kurt Busch | 2 | 11 | 3 | 4 | 46 |
| 6 | Danny Lasoski | 12 | 1 | 10 | 3 | 43 |
| 7 | Scott Sharp | 9 | 6 | 6 | 10 | 34 |
| 8 | Travis Kvapil | 10 | 5 | 11 | 5 | 34 |
| 9 |  Helio Castroneves | 6 | 7 | 8 | 11 | 32 |
| 10 |  Scott Dixon | 8 | 9 | 9 | 8 | 32 |
| 11 | Steve Kinser | 5 | 8 | 12 | 9 | 29 |
| 12 | J. J. Yeley | 11 | 10 | 7 | 12 | 22 |