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Clark Howard's Tips

March 27, 2008

In Clark's TV work, he recently reported on a website that offers an interactive tool that should help the owners of old gas guzzlers. The site addresses that all-important question: Does it make sense to keep it or dump it and get a brand-new fuel-efficient vehicle? Before you play around with this tool, you should realize that the cost of a car is more than just the price of a gallon of gas or a barrel of oil. You have depreciation, maintenance, insurance, repairs and interest on the loan if you're not buying upfront.

What kind of gas mileage are you really getting? To find out, fill up your tank, set your trip odometer to zero and drive your normal route over a tank of gas. Then fill up again and divide the number of gallons you buy into the number of miles you drove.

Keep in mind that if you replace your gas guzzler with a used car of similar age that gets great fuel economy, well, the math is irrelevant for you. You've simply bought like to replace like, in terms of age.

Clark's been hearing some interesting things in the car market. For the longest time, 4 cylinder engines were unloved. Now they're back with a vengeance. If your last 4 cylinder went from 0 to 60 in a day and a half, the technology has changed so much over the last few years. Today's 4 cylinder engines are more powerful and get better fuel economy than yesteryear.

Meanwhile, sales of ultra-small cars like the Honda Fit have shot through the roof. So Clark's advice is look one size bigger for a steal of a deal. You'll get less depreciation over time and the slight decrease in fuel economy won't be much to outweigh the potential savings upfront.

Consumer advice courtesy of