1GYCadillac multipurpose passenger vehicles
Held by General Motors LLC · registered in the United States
WMI 1GY's rules start at model year 1995 and have no end year. Its rules name 4 percent of the 313 models found under all 108 codes of General Motors. Electrified versions appear in its rules: battery electric, hybrid and mild hybrid. It is one of 108 WMIs held by General Motors.
Models in the decoding rules, by model year
- Escalade1999–2027
- SRX2004–2012
- Hearse2010
- Limousine2010
- Escalade ESV2017–2027
- XT52017–2027
- XT42019–2025
- XT62020–2025
- Lyriq2023–2027
- Escalade IQ2025–2027
- Escalade IQL2026–2027
- Vistiq2026–2027
Where the rules place assembly
Plant countryUnited States
Plant locations namedArlington; Springhill; Flint; Wentzville; Shreveport; Roanoke; Pontiac; Moraine; Oklahoma City; Doraville; Janesville; Lansing; Linden; Baltimore/Lansing (Craft Center) and 16 more
Bodies and power
Body classesSUV, Sport utility truck, Pickup
Primary fuelsGasoline, Diesel, Electric, Flexible Fuel Vehicle (FFV), Compressed Natural Gas (CNG), Ethanol (E85)
Compared with the closest code, 3GY
3GY is held by General Motors LLC. Measured by the overlap of the two model lists, it is the code closest to 1GY.
Models in both4
Only under 1GYEscalade ESV, XT5, XT4, XT6, Lyriq, Escalade IQ, Escalade IQL, Vistiq
Only under 3GYOptiq
Model years1GY: 1995–open · 3GY: 2002–open
Plant countries only for 3GYMexico, Canada, Japan, South Africa
Other codes held by General Motors
| Code | Vehicle type | Makes | Model years | Models |
|---|---|---|---|---|
| 1GN | multipurpose passenger vehicles | Chevrolet | 1981–open | 23 |
| 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 |
| 3GK | multipurpose passenger vehicles | GMC | 1995–open | 7 |
| 2GN | multipurpose passenger vehicles | Chevrolet | 1981–2023 | 6 |
99 more not shown here. All 108 codes of General Motors
Codes for Cadillac held by other companies are listed on the page for 1G6.
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.