Some are being discontinued because they flopped in the market, like the Maybach ultra-luxury sedan, the Mercedes-Benz R-class or the Lexus HS250h, a pricey hybrid that fell short in terms of fuel efficiency, luxury and functionality.

FORBES: Last Call For These Cars That Will Soon Be History

Besides the usual hatchback, sedan and SUV, car shoppers today can consider yet-to-be-categorized cars such as the Mazda5, a micro-minivan, or Mercedes-Benz's R-Class, a maxi-station wagon.

CNN: Car shopping 2006: The inside track

Earlier this month, the company added several John R Weir dealerships, including its first with Mercedes-Benz.

BBC: Sir Arnold Clark