Answer:
8-10 inches for bigger cars
5-6 inches for compact cars
Explanation:
Generally, the distance between the engine of the vehicle to the surface is about eight to ten inches on an average. However the gap between the engine of the vehicle to the surface can be as little as 5 inches or 6 inches from the surface, for compact cars.
Whenever the flood hits the engine point of the vehicle, the water gets into the engine and disrupts its operation.