DETROIT (AP) – She wants a new car, but Pamela Davies is still driving the very first one she purchased.

Even with 81,000 miles on her 2001 Toyota RAV4, the stay-at-home mother of two young children isn’t ready to give it up. Her husband’s 1999 Corolla, with 136,000 miles on it, is fine for now, too.

The recession has forced the Davies and many other Americans to rethink their spending habits. One result: They’re making their old cars last longer.

According to J.D. Power and Associates, the average age of vehicles traded in at U.S. car dealerships in February was 6.1 years. That’s up from 5.6 years a year earlier. That trend is expected to contribute to another month of depressed auto sales when carmakers report their March results on Wednesday.

Consumers are starting to see vehicles as long-term investments, said Trevor Traina, founder and chairman of the car ownership Web site Automakers for the most part have stopped offering leases, which allowed people to drive a new vehicle for $200 or $300 a month and repeat the cycle every few years. People are taking better care of their old wheels instead.

Deutsche Bank Securities analyst Rod Lache estimates that U.S. auto sales for March will decline 43 percent from a year ago to a seasonally adjusted annual sales rate of 8.6 million vehicles. That would be lowest figure since Ward’s Automotive Group began tracking monthly sales data in 1980. There were 16.1 million vehicles sold in 2007.

Wachovia Capital Markets analyst Richard Kwas forecast a March annualized rate of 9 million vehicles, just under February’s rate of 9.1 million. J.D. Power is predicting an annualized rate of 9.2 million for March.

Such poor sales make it more difficult for U.S. automakers to survive even as they reduce costs through job cuts and other restructuring efforts. General Motors Corp. and Chrysler LLC are requesting more aid from the government on top of the $17.4 billion they’ve already received. Ford Motor Co., although not seeking aid, has drawn down the remaining $10 billion on its revolving credit line to help it get by.

Automakers and analysts say there is demand for new cars. The recession, however, has kept that demand pent up.

All the news coverage of the economy being as bad as it was in the 1930s has instilled a sense of paranoia in Liz Nelson. The 25-year-old public relations account executive from Santa Clara, Calif., has been driving a 1996 Acura Integra since 2003, but she’s having second thoughts about a new car because of what she calls “the downfall of the economy.”

“My car sounds like it’s dying. Every morning when I start my car, I pray that it will get me to the train station so I can make it to work,” she said.

Nelson is the type of person the automakers are trying to rope in. She realizes that rebates and financing offers could give her an incredible deal on her dream car, an Infiniti G35 Coupe.

She plans to purchase a used car before the end of the year instead.

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