This depends on how large the car or truck is and what kind of paint you will use. It also depends on your skill. Most cars will average 3 to 4 liters of paint but if you are good, you can get away with 2.
Litres is better to measure quantities larger than a quart.
.25 Liters Because there are 1000ml in a liter and 250/1000 is .25
That depends on how thick you paint, and how many layers of paint you use.
13 liters = about 3.434 US gallons.
minimum 140 liters to wash a car
It depends how thick your layer of paint is.
1
It depends on the paint and on the surface that is being painted - its pre-treatment, porosity etc.
About 8 liters for a smooth to semi smooth surface
6.5 liters.
he should use 25
4 l of paint will cover about 34.5 m²