New or Significantly Altered Models
- 1988 Buick Reatta
- 1988 Buick Regal
Mostly Unchanged
- 1988 Buick Century
- 1988 Buick Century coupe
- 1988 Buick Century wagon
- 1988 Buick Electra Estate Wagon
- 1988 Buick Electra sedan
- 1988 Buick LeSabre
- 1988 Buick LeSabre Estate Wagon
- 1988 Buick LeSabre sedan
- 1988 Buick Riviera
- 1988 Buick Skyhawk
- 1988 Buick Skyhawk coupe
- 1988 Buick Skyhawk wagon
- 1988 Buick Skylark
- 1988 Buick Skylark sedan
Discontinued
- 1987 Buick Electra
- 1987 Buick Skyhawk 3d