Quadricycle

The Quadricycle was an early form of automobile. Earliest models were propelled by a small steam engine, then designers switched to early internal combustion engines as they became available. The word is derived from the fact that it had four wheels and used technology derived from the bicycles of the era.

Additional motorized four-wheelers:

Quadricycle, quadracycle, quadcycle, quadrocycle and quad all refer to vehicles with four wheels. More specifically these terms may refer to:

In 21st century France, a quadricycle is a 4-wheel car that cannot go faster than 45 km/h (28 mph), weighs less than 425 kg (937 lb), and has a maximum power of 4 kW (5.4 hp). (Comparable to the low-speed vehicle class in the United States.)