The fifth generation of Buick LeSabre was introduced for the 1977 model year. The fifth generation LeSabre saw the model downsize. The fifth generation LeSabre was available during its production as a sedan, coupe, or station wagon, and was powered by a range of V6 or V8 engine options. The fifth generation LeSabre was in production until 1985 and was replaced by the Sixth Generation Buick LeSabre.