I currently have a 5000 dollar debt with sam swope (car lot in my city) and i totalled my previous car so i am using my dads truck. I can buy a 1998 Cadillac Eldorado with 175,000 miles for 1800 or I can take 1200 and get a 2002 Monte Carlo SS with 105,000 miles but have about 10,000 dollars of debt and pay about 90 dollars a week. What should I do??? PLEASE HELP!!

Also note that i am paying 90 dollars a week without a car. the monte carlo will only extend that debt but i will still be paying 90 dollars a week