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2013 Mercedes-Benz SLS AMG GT gets more letters, power

Two additional letters will spell more power for the 2013 Mercedes-Benz SLS AMG. The supercar will be named the SLS AMG GT for the next model year, which is meant to call attention to the light freshening that the glamorous two-seater will receive when it goes on sale in mid-November. Output grows to 583 hp from the naturally aspirated 6.2-liter V8, up from 563 hp in today's car.

Ford bets customers will pay premium prices for the Fiesta

Ford Motor Co. will charge more than $23,000 for a fully loaded Fiesta, a new car smaller than the Focus. Ford thinks consumers are ready to pay premium prices for small cars, which long have been dominated by budget shoppers.

Economic downturn might hit plans for Porsche small roadster

Porsche's decision on whether to build an entry-level roadster will depend on the global economy, CEO Matthias Mueller said. Mueller said that if the automaker decides to go ahead with the car, sales would begin at the earliest in the third quarter of 2014, but probably later. A decision on production will depend on how the global economic situation pans out, particularly in relation to the auto industry, Mueller said.