| StartYear | EndYear | Make | Model | SubModel | EngineSize | EngineType | BedStyle | BedLength | Cab | Transmission | FuelType | EngineFamily | Drivetrain | Doors |
| 1999 | 2004 | Chevrolet | Silverado 2500 | All | | | | | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 5.3, 6.0 | ALL | | | | | ALL | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 5.3, 6.0 | V8 | | | | | GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 5.3, 6.0 | ALL | | | | | ALL | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 5.3, 6.0 | V8 | | | | | BI-FUEL, CNG, GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 5.3, 6.0 | V8 | | | | | GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 5.3<br/>6.0 | V8 | N/A | N/A | | | GAS | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 6.0 | V8 | | | | | ALL | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 6.0 | V8 | | | | | GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 6.0 | V8 | | | | | GAS, CNG, BI-FUEL | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 6.0 | V8 | N/A | N/A | | | GAS<br/>CNG<br/>BI-FUEL | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 6.0, 5.3 | V8 | | | | | GAS, CNG, BI-FUEL | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | 6.0<br/>5.3 | V8 | N/A | N/A | | | GAS<br/>CNG<br/>BI-FUEL | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | ALL | ALL | N/A | N/A | | | ALL | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | ALL | ALL | V8 | N/A | N/A | | | GAS | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | | | | | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | Automatic | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | Automatic | | | 2WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | Automatic | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | Automatic | | | 4WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | Manual | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | Manual | | | 2WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | | Manual | | | 4WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Crew | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Crew | | | | | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | | | | | 3-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | | | | | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | Automatic | | | 2WD | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | Automatic | | | 4WD | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | Manual | | | 2WD | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Extended | Manual | | | 4WD | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Standard | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | | Standard | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Crew | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Crew | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Crew | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Extended | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Extended | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Extended | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Standard | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Standard | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Standard | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Long | Standard | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Crew | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Crew | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Crew | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Extended | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Extended | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Extended | | | | | 3-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Extended | | | | | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Extended | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Extended | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Standard | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Standard | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Standard | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | | Short | Standard | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | | | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Crew | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Crew | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Crew | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Extended | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Extended | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Extended | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Standard | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Standard | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Long | Standard | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Crew | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Crew | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Crew | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Extended | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Extended | | | | | 3-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Extended | | | | | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Extended | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Extended | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Standard | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Standard | | | | | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Standard | | | | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Fleetside/Styleside | Short | Standard | | | | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Stepside/Flareside | | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Stepside/Flareside | Short | Extended | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | | | Stepside/Flareside | Short | Standard | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3, 6.0 | V8 | | | | | BI-FUEL, CNG, GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3, 6.0 | V8 | | | | | GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3, 6.0 | V8 | | | | | BI-FUEL, CNG, GAS | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3, 6.0 | V8 | | | | | BI-FUEL, CNG, GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3, 6.0 | V8 | | | | | GAS, CNG, BI-FUEL | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3L | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3L | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3L323 | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 5.3L323 | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0 | V8 | | | | | BI-FUEL, CNG, GAS | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0 | V8 | | | | | GAS | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0 | V8 | | | | | GAS | ALL | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0 | V8 | | | | | GAS | N/A | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | | | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | Gasoline | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | | Gasoline | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | Automatic | | Chevy small block Gen III/IV (LS-based engines) | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | | Manual | | Chevy small block Gen III/IV (LS-based engines) | | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Extended | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Extended | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | 3-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Extended | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Extended | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Extended | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | 3-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Extended | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | 4-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | 2-door |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | Long | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | Long | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | Short | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | | Short | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | Fleetside/Styleside | Long | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | Fleetside/Styleside | Long | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | Fleetside/Styleside | Short | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | Fleetside/Styleside | Short | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | Stepside/Flareside | Short | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 2WD | |
| 1999 | 2004 | Chevrolet | Silverado 2500 | Base | 6.0L | V8 | Stepside/Flareside | Short | Standard | | | Chevy small block Gen III/IV (LS-based engines) | 4WD | |
| 2001 | 2006 | Chevrolet | Silverado 1500 HD | All | | | | | | | | | | |
| 2001 | 2006 | Chevrolet | Silverado 1500 Hd | ALL | 6.0 | V8 | | | | | GAS | ALL | | |
| 2001 | 2006 | Chevrolet | Silverado 1500 HD | ALL | ALL | ALL | N/A | N/A | | | ALL | | | |
| 2001 | 2006 | Chevrolet | Silverado 1500 Hd | Base | 6.0 | V8 | | | | | GAS | | | |
| 2001 | 2006 | Chevrolet | Silverado 1500 Hd | Base | 6.0 | V8 | | | | | GAS | ALL | | |
| 2001 | 2006 | Chevrolet | Silverado 1500 HD | Base | 6.0 | V8 | | | | | GAS | N/A | | |
| 2001 | 2006 | Chevrolet | Silverado 1500 HD | LT | 6.0 | V8 | N/A | N/A | | | GAS | | | |
| 2001 | 2007 | Chevrolet | Silverado 2500 HD | All | | | | | | | | | | |
| 2001 | 2007 | Chevrolet | Silverado 2500 HD | ALL | 6.0 | V8 | N/A | N/A | | | GAS | | | |
| 2001 | 2007 | Chevrolet | Silverado 2500 HD | ALL | 6.6 | ALL | N/A | N/A | | | DIESEL | | | |
| 2001 | 2007 | Chevrolet | Silverado 2500 HD | ALL | 6.6 | V8 | N/A | N/A | | | DIESEL | | | |
| 2001 | 2007 | Chevrolet | Silverado 2500 Hd | ALL | 8.1 | V8 | | | | | GAS | ALL | | |
| 2001 | 2007 | Chevrolet | Silverado 2500 HD | ALL | 8.1 | V8 | N/A | N/A | | | ALL | | | |