There was a time when luxury cars were defined by their sheer size and mass, their power, performance and, of course, exclusive details like leather seats and wood trim. Those factors distinguish the 2014 Mercedes-Benz S-Class, but there?s more to the redefined German flagship that fit the changing nature of the auto industry.

Tesla Motors might have scored its first-ever profit during the first quarter, but sales of plug-in vehicles are lagging below expectations, which analysts blame on the high price of battery-based vehicles as well as their limited range. But the nascent electric vehicle market may get a big boost if a new study from IMS Research proves on target.

Only the 2014 Subaru Forester passed a new crash test, earning a ?good? rating from the trade group the Insurance Institute for Highway Safety.

An increase in auto repossessions due to borrowers defaulting on their car loans is raising new questions about whether the auto industry is going too far selling new cars and trucks to those with subprime credit records.

As used car deals go, this is one to make you think twice. Used Fisker Karmas, which sold for $103,000 just a year ago as new models, are now being sold for roughly half price.

Bet against Tesla founder Elon Musk at your own peril. Just ask the short-sellers who predicted his Tesla Motors would be the next electric carmaker to short-circuit.

Chrysler is recalling about 469,000 SUVs worldwide to update software after some vehicles' circuit boards were found to be transmitting signals that trigger inadvertent gear shifts to neutral, the No. 3 U.S.

U.S. auto safety regulators are investigating complaints that the low-beam headlights can go dark without warning on some Chevrolet Corvettes.

Traffic at peak hours on Interstate 405 in Los Angeles moved at just 14 miles per hour, adding 26 minutes to what should be an eight-minute drive.

Germany-based RUF Automobile has modified Porsches for 50 years, pimping them out with a super-charged flat-six cylinder engine and bulking up the frames with its own wings, fenders and vents.