Is that new car smell losing its thrill? Could be, according to a new survey released by J.D Power and Associates.

The 2008 APEAL (Automotive Performance, Execution and Layout) Study shows that drivers are less thrilled with their new car purchases than they were a year ago. But it isn’t necessarily the cars themselves that are to blame. Instead, drivers point to prices at the pump, which have gone up 27 percent since last year’s survey.

“The increased cost of filling their vehicles … leads to a greater level of dissatisfaction with fuel economy than in the past,” notes David Sargent, vice president of automotive research at J.D. Power and Associates. “Manufacturers that deliver more fuel-efficient vehicles…stand a better chance of delighting their customers.”

And there definitely were some delights to be found. Although Honda fared the best, capturing the highest level of satisfaction in three categories, luxury marque Porsche held its own with top ratings in two categories. It took home the APEAL award for its Cayman in the “Compact Premium Sporty Car” category and for the Cayenne in the “Compact Multi-Activity Vehicle (MAV)” division.

Jaguar also fared well, earning a perfect score in “Overall Performance and Design.”

Luxury models that got the thumbs-up from satisfied drivers were the Lexus IS 250/IS 350/IS-F (Entry Premium Car); the BMW 5 Series (Midsize Premium Car) and the Mercedes-Benz S-Class (Large Premium Car).

Joining the Porsche Cayenne in the Premium MAV category was Land Rover’s Range Rover, which topped the list for Large Premium MAVs.

The survey goes hand-in-hand with J.D. Powers and Associates’ Initial Quality Study, which was released about three weeks ago and focuses on problems experienced by new owners during the first 90 days of ownership. To see how your favorite auto manufacturer fared, click here.

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Apparently, Tom Cruise was right on the money when he uttered those much-quoted words: “Porsche. There is no substitute.” (Risky Business, 1983.)

According to a survey released earlier this month by New York City-based Luxury Institute, wealthy U.S. consumers still see Porsche as the world’s most prestigious luxury automotive brand. The poll was part of the 2008 Luxury Brand Status Index survey, and asked the opinions of 1,642 Americans with an average net worth of $3.7 million.

Porsche might have led the pack, but was followed closely by Lexus and Mercedes. Surprisingly, no Italian brands made the survey’s top 12. Other brands that did make the cut with consumers were (listed alphabetically) Acura, Audi, BMW, Cadillac, Infiniti, Jaguar, Land Rover, Lincoln and Volvo.

If you don’t have a Porsche of your own, and this has given you the need for speed, go visit my friend Ron at DFW Elite Auto Rental.com and he’ll hook you up with a Porsche for the day.