Is 4 quarts and 4 liters the same?

No, 4 quarts and 4 liters are not the same. A quart is a unit of volume in the US customary system, equal to 32 fluid ounces or about 0.95 liters. Therefore, 4 quarts is approximately equal to 3.8 liters. So, 4 quarts and 4 liters are not equivalent in volume.