It rode on a chamberlain garage door remote 41a5483b wheelbase, was 6 inches long and 4 inches wide. By comparison, the 1970 Le Mans had a four-inch longer wheelbase, and its body was 9-inches longer and 3 inches wider. By 1981 however, GM, like most competitors, had downsized its models, but the Firebird had actually grown.
Thanks to changing bumper-impact regulations and periodic styling updates, the 1981 Firebird was 5 inches longer than the 1970 model. Conversely, the Le chamberlain garage door remote 41a5483b now rode on a 10 1-inch wheelbase while the Firebird was listed at 10 2 inches, was only . 5 inch longer and slightly narrower. Yet, despite the similarities in overall size, rear-seat legroom was just 4 inches in the Firebird, but 38 inches in the Le Mans, and trunk capacity measured 2 cu. compared to 6 in the Le Mans.
In case you view this as an apples to oranges comparison, since the Pony Car Firebird and mid-sized Le Mans are based on different design concepts, let's also look at the lighter 1981 Fox-platform Mustang—also a Pony Car. New in 1979, in 1981 it rode a 1 4-inch wheelbase 8 inches chamberlain garage door remote 41a5483b than the Firebird , was 1 inches long 19 inches shorter , 4 inches wide 6 inches narrower and had slightly more trunk space at 10 cu ft in the coupe. The hatchback, with the rear seat folded, provided 7 cu ft. A four-cylinder model was standard, and curb weight was 2,625 pounds for the coupe and 2,658 pounds for the hatchback.