There is no one tank, and no one capacity. A small car might have a 35 liter tank, a large car a 70 liter tank. A large truck may have a 370 liter tank.
68 litres
That would all depend on the size of the fuel tank.
the mk5 mk6 mk7 diesel van standard fuel tank is 60 ltrs
55 liters
The engine holds no diesel. The diesel is stored in the fuel tank. Without knowing what make and model car you are talking about it is impossible to provide an answer.
100 litres.
Bad things can happen, due not operate the engine until having the fuel tank drianed and clean diesel added.
It will do damage to a diesel engine. Drain the tank and flush the fuel lines. Do not run this engine with unleaded gasoline in the tank.
One US gallon of diesel fuel contains 3.785 liters.
5 liters of diesel engine oil.
1,500 liters.
I have a 2001 with a diesel and its a 38 gallon tank