Mercedes-Benz built 432,732 examples of the 140 series, comprising 406,710 sedans and 26,022 coupés.

B Engineering chose to build 21 examples because it was the first car of the 21st century.

Spartan then built 2 examples with 165-hp engines to use in their own flying school.

In 1931, Keystone-Loening built two examples of a revised version, but no further production ensued.

Spartan was unable to sell the aircraft in any quantity, and eventually, built only four examples, including the prototype.

Sales were slow, and Camair built only 25 examples before selling off the rights in 1959.

Porsche planned to build 3000 examples of the 1994 Speedsters in 1992, but only 936 examples were built and sold during the two years of production.

Ryan Aeronautical Company acquired the design in 1948, and built approximately 1,200 examples over the following three years.

Scheutzow still hoped that the helicopter would be in production the following year and planned to build 191 examples in 1969.

General Motors announced this new automobile in 1919 and planned to build 2,250 examples in its first season and 5,000 for 1920.