Buick Grand National tire sizes
Original-equipment tire sizes for the Buick Grand National by model year. Choose a year for trims and tires in stock.
| Year | Original tire sizes |
|---|---|
| 1988 Buick Grand National | 215/65R15 |
| 1987 Buick Grand National | 215/65R15 |
| 1986 Buick Grand National | 215/65R15 |
| 1985 Buick Grand National | 215/65R15 |