As far as high-end sports cars go, the Porsche lineup is pretty fuel efficient. Light weight and six-cylinder engines usually do the trick, but those attributes don’t exactly describe the new Panamera. The large, four-door Porsche comes standard with a bare minimum of 400 horsepower, and while... 

In an effort to sweeten the incentive for those taking advantage of the government’s Car Allowance Rebate System (a.k.a. “Cash-for-Clunkers”), Nissan has reportedly sent its engineers back to the lab in order to pinch every last mile out of each gallon of fuel. As it is written, the... 

The 2010 Subaru Legacy is bigger, wider, and more powerful than ever, yet the engineers made a point to increase fuel economy as well. The new Legacy will hit 31 mpg on the highway and 23 around town, but you’ll have to opt for the 2.5i model with the CVT transmission. With the more enjoyable...