関連ワード:  how many gallons should a car hold    how many gallons does a car hold    how many gallons does a car hold on average    how many gallons does a car hold of gas    how many litres does a car hold    how many gallons does a car take    how many gallons does a car take to fill up    how many gallons does a car take of gas    how many gallons does a car take on average    how many gallons does a car carry