1GNChevrolet multipurpose passenger vehicles
Held by General Motors LLC · registered in the United States
WMI 1GN shares most of its model list with one other code. Its rules start at model year 1981 and have no end year. The same rules name 7 percent of the 313 models found under all 108 codes of General Motors. Electrified versions appear in its rules: hybrid and mild hybrid.
Models in the decoding rules, by model year
- Astro Van1987–2005
- Blazer1987–2005
- G-Series1987–1996
- GMT-4001987–1994
- P - Series1987–1993
- R Conventional1987
- S-10 Pickup1987–2001
- Suburban1987–2027
- V Conventional1987
- Lumina APV1990–1996
- Tahoe1995–2027
- Express1997–2020
- Venture1997–2005
- 3 ton2001–2004
- Silverado2001
- Trailblazer2002–2009
- Uplander2005–2009
- Avalanche2007–2010
- Equinox2007–2016
- HHR2007–2010
- Traverse2009–2027
- Captiva Sport2010
- Traverse Limited2024
Where the rules place assembly
Plant countriesUnited States, Canada
Plant locations namedArlington; Flint; Shreveport; Wentzville; Pontiac; Moraine; Janesville; Linden; Lansing; Roanoke; Springhill; Baltimore/Lansing (Craft Center); Oklahoma City; Doraville and 26 more
Bodies and power
Body classesSUV, Van, Incomplete - Cutaway, Pickup, Cargo Van, Minivan, Motorhome, Step van, Sport utility truck
Primary fuelsGasoline, Diesel, Flexible Fuel Vehicle (FFV), Compressed Natural Gas (CNG), Electric, Liquefied Petroleum Gas (propane or LPG)
Codes with largely the same models
These codes have no page of their own: at least half of the models in their rules also appear under 1GN. The last column counts the shared models.
| Code | Holder | Vehicle type | Model years | Shared models |
|---|---|---|---|---|
| 1GA | General Motors LLC | buses | 1981–open | 19 of 23 |
Compared with the closest code, 3GN
3GN is held by General Motors LLC. Measured by the overlap of the two model lists, it is the code closest to 1GN apart from those listed above.
Models in both14
Only under 1GNAstro Van, G-Series, GMT-400, P - Series, R Conventional, V Conventional, Lumina APV, Venture, Traverse Limited
Only under 3GNTrax, Tracker
Model years1GN: 1981–open · 3GN: 1995–open
Plant countries only for 3GNMexico, Japan, South Korea, China, South Africa
Body classes only for 1GNIncomplete - Cutaway, Minivan, Motorhome, Step van
Other codes held by General Motors
| Code | Vehicle type | Makes | Model years | Models |
|---|---|---|---|---|
| 1GK | multipurpose passenger vehicles | GMC | 1981–open | 21 |
| 1G5 | multipurpose passenger vehicles | GMC, Pontiac | 1981–2009 | 19 |
| 3GN | multipurpose passenger vehicles | Chevrolet | 1995–open | 16 |
| 2CN | multipurpose passenger vehicles | Chevrolet, Geo | 1989–2014 | 14 |
| KL7 | multipurpose passenger vehicles | Chevrolet | 1985–open | 14 |
| 1GY | multipurpose passenger vehicles | Cadillac | 1995–open | 12 |
| 3GK | multipurpose passenger vehicles | GMC | 1995–open | 7 |
| 2GN | multipurpose passenger vehicles | Chevrolet | 1981–2023 | 6 |
98 more not shown here. All 108 codes of General Motors
Codes for Chevrolet held by other companies are listed on the page for 1GB.
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.