What is the average speed of a car per hour?

[LeCecilia]

There are significant differences between different car models, and speed also varies depending on road conditions. In urban areas, the average speed is generally 20 or 30 kilometers per hour, with a speed limit of around 40 km/h; in suburban areas, the average speed is usually 40 or 50 km/h, with a speed limit of 60 km/h; on highways, the average speed ranges from 80 to 100 km/h. Below is some related information: Origin of speed units: When British people say 100 mph, it equals 160 kilometers per hour. The term "speed in miles" originates from the unit "mile." Originally, one mile per hour was equivalent to approximately 1.6 kilometers per hour when converted to the metric system. Later, the metric system became internationally standardized. Units of car speed: There are two ways to express car speed: one is "kilometers per hour (Km/h)," and the other is "miles per hour (MPH)." Generally, Japanese, Korean, and most European car models use "kilometers per hour" to indicate speed, while the North American market typically uses "miles per hour." As for domestic car models, including the vast majority of imported models, they use "kilometers per hour" to express speed.