Who here owns a SUV? suv, gas prices question.?

hello everyone. im on the verge of buying a 2004 CHEVROLET TRAILBLAZER. however im being devised not to because of high gas prices. im getting a great price for the suv but its fuel economy is 14 city/19 hwy mpg. who here gas an suv and how much money do you spend a week on gas? ill be driving the car every other day approximately 4 miles. thanks for the help guys