Today most of the cars are used by a single occupant, be it a 2 seater smart, 5 meter long coupe or a 7 seater SUV. Hence an SUV weighing 2000 kgs is used to carry a person weighing 70 kgs. This means the vehicle is about 28 times heavier than the occupant it carries.
The situation can be visualised better in another way. Imagine 28 people carrying a king on there shoulders. Only problem being that instead of one king in a kingdom, there's a king around every corner. Infact there are millions of these kings trapped in a traffic jam right at this moment.