Only  of water is required to reach the bottom of most passenger cars, which can cause loss of control and possible stalling. Most passenger cars will float in just  of water, and  of water will sweep most vehicles (including SUVs and pick-ups) away.
A minimal quantity of water is enough to reach the bottom of most passenger cars, which could lead to loss of control and possible stalling. Most passenger cars will float in just a small amount of water, and more than that can easily move these vehicles (such as SUVs and pick-ups) away.