How fast does a 150cc fourwheeler go?

The top speed of a 150cc four-wheeler can vary depending on a number of factors, including the make and model of the vehicle, the terrain it is being driven on, and the weight of the driver and passengers. In general, a 150cc four-wheeler can reach speeds of up to 45 mph on flat, paved surfaces. However, its speed may be reduced on rougher terrain or when carrying heavy loads.