A 4-door notchback sedan and a 2-door convertible were added for 1990. Celicas were available in either notchback coupe or liftback form, the convertible would come later. Body styles for the Mustang included a coupe (notchback) and hatchback. It was first offered as a Notchback, with a Hatchback body style added in 1977. The W-29 option was not available on Cutlass Supreme notchback hardtops. The sedan initially had a conservative six-window notchback roofline. Two main body variations were provided&colon; a five-door hatchback and a four-door notchback. The notchback was renamed "coupe". It was available as a four-door notchback sedan and a two-door notchback coupe. In the United States notchback sedan distinguishes models with a horizontal trunklid. For the first time since its introduction 1964, a notchback coupe model was unavailable. In addition, the GT notchback coupe returned after a year's absence. A factory T-top was optional on notchback coupes only. The styling of the boxy four-door notchback saloon was somewhat wanting. The most notable styling touch was an extreme notchback roofline.