Mostly Unchanged
- 1980 Buick Regal
Other
- 1980 Buick Century
- 1980 Buick Century
- 1980 Buick Century
- 1980 Buick Electra
- 1980 Buick Electra Estate Wagon
- 1980 Buick Electra sedan
- 1980 Buick LeSabre
- 1980 Buick LeSabre Estate Wagon
- 1980 Buick LeSabre sedan
- 1980 Buick Riviera
- 1980 Buick Skyhawk
- 1980 Buick Skylark
- 1980 Buick Skylark sedan