Whats New For '89- Now in its first full model year, changes are limited to a new black grille instead of the chrome on on '88's.
Biggest News-
The Car-
| exterior dimensions | coupe/sedan |
| overall length (in.) | 218.1 |
| wheelbase (in.) | 116.0 |
| luggage cap. (cu. ft.) | 20.8 |
| fuel tank gas/diesel (gals.) | 25.0/25.0 |
| interior dimensions | coupe | sedan |
| headroom f/r | 38.8/38.3 | 39.5/38.2 |
| legroom f/r | 42.2/38.3 | 42.2/38.9 |
| shoulder room f/r | 60.6/59.1 | 60.6/60.5 |
Identifying an '89- 1989 Cutlass Supreme coupes are visually identical to '90 and '91's.