The Buick Century Caballero Estate Wagon lasted on the market for just two years, from 1957 to 1958, before being discontinued.

For that brief period, however, it offered some of the most dramatic styling ever seen on a Detroit-built wagon, with a four-door pillarless hardtop body, tailfins, and eye-catching two-tone paint.

Each year featured substantially different trim and exterior treatments, making examples such as this 1957 Caballero an even rarer and more distinctive sight.

According to the consignor, this striking Caballero was restored in 2012 under previous ownership by the late Mike Fennel of Saugas, California.

Select custom touches were incorporated into the build, enhancing the Buick’s already striking appearance; finished in a custom teal and white paint scheme, it is subtly lowered, and door handles have been shaved; hood and tailgate badging has been deleted, leaving only the “Caballero” script on the rear doors.

Echoing the exterior, the air-conditioned interior f...