The fourth generation Buick LeSabre was introduced for the 1971 model year. The fourth generation LeSabre was larger and heavier than its predecessor, and was available as a coupe, convertible, or sedan. The fourth generation LeSabre was offered with a 3.8L, 5.7L, or 7.5L V8 engine, and was in production until 1976. The fourth generation LeSabre was replaced by the Fifth Generation Buick LeSabre.
The fourth generation Buick LeSabre was introduced for the 1971 model year. The fourth generation LeSabre was larger and heavier than its predecessor, and was available as a coupe, convertible, or sedan. The fourth generation LeSabre was offered with a 3.8L, 5.7L, or 7.5L V8 engine, and was in production until 1976. The fourth generation LeSabre was replaced by the Fifth Generation Buick LeSabre.
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