1G0Opel passenger cars
Held by General Motors LLC · registered in the United States
WMI 1G0 names 11 models, more than any of the other five WMIs that decode Opel. Its rules place assembly in four countries. The same rules run from model year 1981 to 2018, with nothing after 2018. Its rules name 4 percent of the 313 models found under all 108 codes of General Motors.
Models in the decoding rules, by model year
- C/K Pickup1981–1986
- Motorhome Chassis1981–1986
- P Truck Forward1981–1986
- Rally1981–1986
- S15 Pickup1982–1983
- Roadster2008
- Aura2010
- Opel2010
- Sky2010
- Ampera2012–2016
- Ampera-e2017–2018
Where the rules place assembly
Plant countriesUnited States, Canada, Mexico, Australia
Plant locations namedOrion; Bowling Green; Kansas City; Lordstown; Lansing - Grand River; Detroit Hamtramck; Wilmington; Hamtramck; Norwood; St. Louis; Sleepy Hollow; Van Nuys; Detroit; Baltimore and 24 more
Bodies and power
Body classesPickup, Sedan, Van, Incomplete, Incomplete - Motor Home Chassis, Hatchback, Coupe, Wagon, Convertible, SUV
Primary fuelsGasoline, Diesel, Electric, Flexible Fuel Vehicle (FFV), Compressed Natural Gas (CNG), Liquefied Petroleum Gas (propane or LPG)
Electrified versionsBattery electric, Hybrid, Mild hybrid, Plug-in hybrid
Compared with the closest code, W08
W08 is held by Adam Opel AG. Measured by the overlap of the two model lists, it is the code closest to 1G0.
Models in both3
Only under 1G0C/K Pickup, Motorhome Chassis, P Truck Forward, Rally, S15 Pickup, Roadster, Ampera, Ampera-e
Only under W08Ion, Astra
Model years1G0: 1981–2018 · W08: 2006–2010
Plant countries only for 1G0United States, Canada, Mexico
Plant countries only for W08Belgium, South Korea, Germany
Body classes only for 1G0Pickup, Van, Incomplete, Incomplete - Motor Home Chassis, Chassis cab
Other codes held by General Motors
| Code | Vehicle type | Makes | Model years | Models |
|---|---|---|---|---|
| 1G1 | passenger cars | Chevrolet | 1981–open | 39 |
| 2G1 | passenger cars | Chevrolet | 1981–2020 | 34 |
| 3G1 | passenger cars | Chevrolet | 1985–2024 | 34 |
| 1G2 | passenger cars | Pontiac | 1981–2010 | 30 |
| 1G8 | passenger cars | Saturn | 1981–2010 | 30 |
| 2G2 | passenger cars | Pontiac | 1981–2010 | 30 |
| 3G2 | passenger cars | Pontiac | 1985–2010 | 26 |
| KL2 | passenger cars | Pontiac | 1985–2010 | 26 |
99 more not shown here. All 108 codes of General Motors
Opel under other holders
Models named in each code's rules
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.