Historically, Opel vehicles have also been sold at various times in the North American market as either heavily modified, or "badge-engineered" models under the Chevrolet, Buick, Pontiac, Saturn, and Cadillac brands - for instance the J-body platform, which was largely developed by Opel - was the basis of North American models such as the Chevrolet Cavalier and Cadillac Cimarron. Below is a list of current or recent Opel models which are sold under GM's North American brands.
It had some crazy mechanical issues. At one point it stumbled and stalled because the carburetor had come loose from the intake manifold and I had to tighten it back down! Another time, my brother was driving it and the brakes failed. Somehow the end of the brake shoe that meets the brake cylinder piston had become worn on one side, causing the piston to slip off the end of the shoe when the brakes were applied, losing braking and squirting fluid all over.