Whats New For '78-All new model is part of GM's second wave of downsizing. Cutlass Supreme coupes and now nearly a foot shorter than before yet feature more interior room. High and Low beams are now in one bulb unit instead of a seperate one for each.
Biggest News-Cutlass Salon Aeroback which is available as a two-door or four-door is unlike anything else on the road except the Buick Century which shares most sheetmetal.
The Car-
Specs
| 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 a '78-