2026 Buick Build-out & Start-up Dates
| Model | Last Updated | Order Banks Open | Spec Release Anticipated Date | Pricing Release Date | Start of Production | GM Scheduling Full Thru Month / Date | Last Date to Submit Orders to Merchants | Build Out Date | Average Lead Time | Important Updates |
|---|---|---|---|---|---|---|---|---|---|---|
| 4/9/26 | 1/23/25 | TBD | TBD | 4/1/25 | 5/11/26 | 7/17/26 | 7/24/26 | 17 weeks | ||
| 4/9/26 | 5/1/25 | TBD | TBD | TBD | TBD | 4/17/26 | 4/24/26 | TBD | ||
| 4/9/26 | 5/15/25 | 5/16/25 | TBD | 7/14/25 | 6/1/26 | 4/17/26 | 4/24/26 | 12 weeks | ||
| 4/9/26 | 5/1/25 | TBD | TBD | 7/7/25 | 7/13/26 | 9/18/26 | 9/25/26 | 24 weeks |