The GM Futurliners were a group of custom vehicles, styled in the 1940s by Harley Earl for General Motors, and integral to the company's Parade of Progress—a North American traveling exhibition promoting future cars and technologies. Having earlier used eight custom Streamliners from 1936 to 1940, GM sponsored the Parade of Progress and the Futurliners from 1940 to 1941 and again from 1953 to 1956.

Interrupted by World War II, the vehicles were refurbished by GM and the Parade of Progress resumed in 1953.

The original powertrain for the Futurliners was a four-cylinder diesel coupled to a four-speed manual transmission, giving the vehicles a top speed of approximately 64 km/h.

When the Parade of Progress resumed in 1953, the Futurliners were refurbished by fitting a six-cylinder engine, along with a four-speed automatic transmission and gear splitter; a metal roof was added to the glass cabin and air conditioning was fitted to reduce heat. The air conditioning units were manufactured by Frigidaire.

The driver's seat is centrally mounted at the front of the cab, with the driver's eyes at approximately 3.0 m above road level, and the cab has room for two passengers. The 4.95 L six cylinder gasoline engine refitted in 1953 had a rated output of 145 hp and 355 N⋅m of torque at 1400 RPM.

Of the twelve original Futurliners, one was destroyed in a 1956 accident, and nine were known to survive as of 2007. The status and location of several are unknown.

In 2014, Futurliner #10 was nominated for inclusion in the National Historic Vehicle Register.