Coachbuilding — building a unique or low-volume body for an existing chassis — was once how every luxury car was made. Mass production largely ended it in the mid-20th century, but it survives today in three forms: manufacturers’ own coachbuild divisions (Rolls-Royce Coachbuild, Bentley Mulliner, Ferrari’s special projects), independent Italian carrozzerie such as Zagato and Touring Superleggera, and a very practical American tradition — limousine, hearse and armored-vehicle coachbuilders.

The golden age

From the 1900s to the 1930s, luxury makers sold rolling chassis, and coachbuilders such as Hooper, Mulliner and Park Ward in Britain, Brewster and Fleetwood in the U.S., and Figoni et Falaschi and Saoutchik in France created bodies to order. Read the history of coachbuilders and Brewster & Company of New York.

Why it declined

Monocoque construction — where body and chassis are one structure — made custom bodies far harder and more expensive. Safety and emissions regulations added cost. By the 1960s, most coachbuilders had closed or been absorbed by manufacturers.

Manufacturer coachbuilding

  • Rolls-Royce Coachbuild — one-offs and tiny series like Sweptail, Boat Tail and Droptail. See Rolls-Royce Coachbuild.
  • Bentley Mulliner — the historic Mulliner name now builds limited editions like the Bacalar and Batur and the Blower continuation cars.
  • Ferrari Special Projects — one-off Ferraris designed with individual clients.
  • Aston Martin Q — bespoke and special-edition cars.

Italian carrozzerie

Historic Italian design houses such as Zagato and Touring Superleggera still create limited-run bodies, often on Aston Martin, Alfa Romeo or other chassis. Pininfarina, once the most famous, now focuses on design consulting and its own electric cars.

America’s working coachbuilders

In the U.S., coachbuilding thrives in practical form:

  • Limousine builders stretch sedans and SUVs, often under manufacturer programs such as Cadillac’s Master Coachbuilder and Ford’s Qualified Vehicle Modifier (QVM) program, which set engineering guidelines.
  • Funeral coach builders convert Cadillac and Lincoln vehicles into hearses. See funeral coach history.
  • Armoring companies add ballistic protection to SUVs and sedans. See armored car history.
  • Van upfitters turn Mercedes Sprinters into executive shuttles. See executive Sprinter conversions.