What was hot, and not, in 2004 Click here Most Overrated #1 Â - Hybrids Questionable real world consumption numbers, resale value and long-term maintenance costs should keep the smart car buyer away from hybrids. But then, the Chevette was a best seller in its day, too. Like buying your decaf mocha at Starbucks, with hybrids, you get the exclusive opportunity to wait in line and pay a premuim price. You'll be in good company with million-per-flick Hollywood greenies Tom Hanks, Cameron Diaz and Susan Sarandon, who all drove a flock of Priuses to last year's Academy Awards. Most Underrated #1 Â - Diesels With conspiracy theorists questioning the timing of their sudden proliferation--from the micro-miserly Smart car to the all-conquering V-10 Volkswagen Touareg--diesels came back big time in 2004. And why not? Big horsepower numbers may look good in a Car and Driver test-track comparo, but for the rest of us, its torque that walks the talk.