Each year, 400,000 hectares (1 million acres) of land is paved around the world for parking lots, highways and roads. In 2001 there were 520 million vehicles in the world.
http://www.earth-policy.org/plan_b_updates/2001/alert12
One litre of oil leaks out of the average car and into the environment, each and every year. Americans spill 180 million gallons of used oil each year into the nation’s waters. This is 16 times the amount spilled by the Exxon Valdez in Alaska
http://www.montgomeryswcd.org/Attachment%20Files/Fact%20Sheets/Motor%20Oil%20Pollution.pdf
Every 8 months, 42 million litres of petrol are spilled through daily run-off. This doesn’t include the massive amount of benzene that evaporates into the air, every-time a person fills up a tank.
A single new car uses 454,000 litres of water, generates 26,000 kilograms of solid waste and emits 1,200 million cubic yards of air emissions, all before its first test drive.
https://www.chelseagreen.com/blogs/how-much-water-does-your-car-use/
https://www.automotiveworld.com/megatrends-articles/water-water-everywhere-vehicle-manufacturing/
In 1993 alone, the world’s car makers released 36 million kilograms of toxic chemicals into the environment.
Air pollution from motor vehicles – standards and technologies for controlling emissions, 1996
The World Bank
PDF page 232