Chevrolet Silverado HD GMT800
1999–2006 · 8 model years · 24 trims
Trims by model year
| Trim | Engine | HP | Torque | Transmission | Drive | MPG city/hwy (comb) |
|---|---|---|---|---|---|---|
| 2006 | ||||||
| 2500HD 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 2500HD 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 330 | 450 lb-ft | — | — | — |
| 2500HD Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LLY / LBZ) | — | — | — | — | — |
| 3500 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 3500 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 330 | 450 lb-ft | — | — | — |
| 3500 Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LLY / LBZ) | — | — | — | — | — |
| 2005 | ||||||
| 2500HD LS 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed HD automatic; manual availability varies | RWD | 13/18 (15) |
| 2500HD LS Duramax · Pickup | 6.6L Duramax LLY turbo-diesel V8 | 310 | 605 lb-ft | Allison automatic (see OEM); manual available some years | RWD | — |
| 2500HD LT 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed HD automatic; manual availability varies | RWD | 13/18 (15) |
| 2500HD LT Duramax · Pickup | 6.6L Duramax LLY turbo-diesel V8 | 310 | 605 lb-ft | Allison automatic (see OEM); manual available some years | RWD | — |
| 2500HD Work Truck 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed HD automatic; manual availability varies | RWD | 13/18 (15) |
| 2500HD Work Truck Duramax · Pickup | 6.6L Duramax LLY turbo-diesel V8 | 310 | 605 lb-ft | Allison automatic (see OEM); manual available some years | RWD | — |
| 3500 LS 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed HD automatic; manual availability varies | RWD | 13/18 (15) |
| 3500 LS Duramax · Pickup | 6.6L Duramax LLY turbo-diesel V8 | 310 | 605 lb-ft | Allison automatic (see OEM); manual available some years | RWD | — |
| 3500 LT 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed HD automatic; manual availability varies | RWD | 13/18 (15) |
| 3500 LT Duramax · Pickup | 6.6L Duramax LLY turbo-diesel V8 | 310 | 605 lb-ft | Allison automatic (see OEM); manual available some years | RWD | — |
| 3500 Work Truck 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed HD automatic; manual availability varies | RWD | 13/18 (15) |
| 3500 Work Truck Duramax · Pickup | 6.6L Duramax LLY turbo-diesel V8 | 310 | 605 lb-ft | Allison automatic (see OEM); manual available some years | RWD | — |
| 2004 | ||||||
| 2500HD 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 2500HD 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 330 | 450 lb-ft | — | — | — |
| 2500HD Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LB7; LLY from mid-2004) | — | — | — | — | — |
| 3500 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 3500 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 330 | 450 lb-ft | — | — | — |
| 3500 Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LB7; LLY from mid-2004) | — | — | — | — | — |
| 2003 | ||||||
| 2500HD 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 2500HD 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 340 | 455 lb-ft | — | — | — |
| 2500HD Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LB7) | 300 | 520 lb-ft | — | — | — |
| 3500 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 3500 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 340 | 455 lb-ft | — | — | — |
| 3500 Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LB7) | 300 | 520 lb-ft | — | — | — |
| 2002 | ||||||
| 2500HD Base 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | Hydra-Matic 4-speed HD automatic; 5-speed HD manual available | RWD | 10/13 (11) |
| 2500HD Base Duramax · Pickup | 6.6L Duramax LB7 turbo-diesel V8 | 300 | 520 lb-ft | Allison 5-speed automatic or ZF 6-speed manual (optional engines) | RWD | — |
| 2500HD LS 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | Hydra-Matic 4-speed HD automatic; 5-speed HD manual available | RWD | 10/13 (11) |
| 2500HD LS Duramax · Pickup | 6.6L Duramax LB7 turbo-diesel V8 | 300 | 520 lb-ft | Allison 5-speed automatic or ZF 6-speed manual (optional engines) | RWD | — |
| 2500HD LT 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | Hydra-Matic 4-speed HD automatic; 5-speed HD manual available | RWD | 10/13 (11) |
| 2500HD LT Duramax · Pickup | 6.6L Duramax LB7 turbo-diesel V8 | 300 | 520 lb-ft | Allison 5-speed automatic or ZF 6-speed manual (optional engines) | RWD | — |
| 3500 Base 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | Hydra-Matic 4-speed HD automatic; 5-speed HD manual available | RWD | 10/13 (11) |
| 3500 Base Duramax · Pickup | 6.6L Duramax LB7 turbo-diesel V8 | 300 | 520 lb-ft | Allison 5-speed automatic or ZF 6-speed manual (optional engines) | RWD | — |
| 3500 LS 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | Hydra-Matic 4-speed HD automatic; 5-speed HD manual available | RWD | 10/13 (11) |
| 3500 LS Duramax · Pickup | 6.6L Duramax LB7 turbo-diesel V8 | 300 | 520 lb-ft | Allison 5-speed automatic or ZF 6-speed manual (optional engines) | RWD | — |
| 3500 LT 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | Hydra-Matic 4-speed HD automatic; 5-speed HD manual available | RWD | 10/13 (11) |
| 3500 LT Duramax · Pickup | 6.6L Duramax LB7 turbo-diesel V8 | 300 | 520 lb-ft | Allison 5-speed automatic or ZF 6-speed manual (optional engines) | RWD | — |
| 2001 | ||||||
| 2500HD 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 2500HD 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 340 | 455 lb-ft | — | — | — |
| 2500HD Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LB7) | 300 | 520 lb-ft | — | — | — |
| 3500 6.0L Gas · Pickup | 6.0L 8-cylinder gas (Vortec 6000) | 300 | 360 lb-ft | — | — | — |
| 3500 8.1L Gas · Pickup | 8.1L 8-cylinder gas (Vortec 8100) | 340 | 455 lb-ft | — | — | — |
| 3500 Duramax · Pickup | 6.6L 8-cylinder turbocharged diesel (Duramax LB7) | 300 | 520 lb-ft | — | — | — |
| 2000 | ||||||
| 2500 Base 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed automatic or 5-speed HD manual | RWD | 11/15 (12) |
| 2500 LS 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed automatic or 5-speed HD manual | RWD | 11/15 (12) |
| 1999 | ||||||
| 2500 Base 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed automatic or 5-speed HD manual | RWD | 11/15 (12) |
| 2500 LS 6.0L Gas · Pickup | 6.0L Vortec 6000 V8 SFI | 300 | 360 lb-ft | 4-speed automatic or 5-speed HD manual | RWD | 11/15 (12) |
Safety & recalls by model year
| Year | Recalls | NHTSA overall rating |
|---|---|---|
| 2006 | 10 | Not rated |
| 2005 | 14 | Not rated |
| 2004 | 15 | Not rated |
| 2003 | 13 | Not rated |
| 2002 | 15 | Not rated |
| 2001 | 15 | Not rated |
| 2000 | 20 | Not rated |
| 1999 | 17 | — |
US-market data from the National Highway Traffic Safety Administration (NHTSA), matched by model year, make and model; the year link opens the full recall list and star ratings.