The Buick Estate Wagon is a line of luxury station wagons manufactured by General Motors as they're for commercial use only vehicle and only top executives of GM are using it because of its luxury equipped materials. 1940 Historical Buick Super Model 59 Woody Estate Wagon engine has been identified as 455 Cu in (7.5L) Buick V8 with transmission of 3 speed TH 400 automatic. It is a well known fact that after the increasing popularity of the Buick Estate Wagon, some people at that time expected GM to produce more cars. It was however they changed the name to Estate wagons and replaced body- based model numbers. During those years, they keep on replacing its body style until it was downsized and been relaunched for differentiating styles. Engines are also replaced for Buick V8, Oldsmobile V8 and diesel V8, which are at far cost become the basis of comparison for all estate wagons.