The Oldsmobile Custom Cruiser is large rear-wheel drive station wagon

Station wagon

A station wagon is a body style variant of a sedan/saloon with its roof extended rearward over a shared passenger/cargo volume with access at the back via a third or fifth door , instead of a trunk lid...

 which was produced by Oldsmobile

Oldsmobile

Oldsmobile was a brand of American automobile produced for most of its existence by General Motors. It was founded by Ransom E. Olds in 1897. In its 107-year history, it produced 35.2 million cars, including at least 14 million built at its Lansing, Michigan factory...

 from 1971 to 1992. The Custom Cruiser used the same platform as the Buick

Buick

Buick is a premium brand of General Motors . Buick models are sold in the United States, Canada, Mexico, China, Taiwan, and Israel, with China being its largest market. Buick holds the distinction as the oldest active American make...

, Chevrolet

Chevrolet

Chevrolet , also known as Chevy , is a brand of vehicle produced by General Motors Company . Founded by Louis Chevrolet and ousted GM founder William C. Durant on November 3, 1911, General Motors acquired Chevrolet in 1918...

 and Pontiac

Pontiac

Pontiac was an automobile brand that was established in 1926 as a companion make for General Motors' Oakland. Quickly overtaking its parent in popularity, it supplanted the Oakland brand entirely by 1933 and, for most of its life, became a companion make for Chevrolet. Pontiac was sold in the...

 full-size wagons. It was the first full-size Oldsmobile station wagon since 1964.

Oldsmobile had previously used the Custom Cruiser name on the Custom Cruiser 90, 96 & 98 models of 1941-1947.
The first generation Custom Cruiser first appeared in 1971 based on the C platform

GM C platform

The General Motors C platform was an automobile platform designation used for full sized luxury cars until 2005.-Rear wheel drive:...

.