HERNDON, Virginia — Audi of America has announced that its new TTS Coupe will be priced starting at $46,325, including an $825 shipping charge, when the car goes on sale late this year. The new TTS Roadster will start at $48,325.The TTS is powered by a turbocharged 2.0 TFSI direct-injection four-cylinder engine that produces 265 horsepower and 258 pound-feet of torque. Mated to a standard S tronic dual-clutch gearbox, the all-wheel-drive TTS Coupe scoots from zero to 60 mph in 4.9 seconds (5.1 seconds for the TTS Roadster). EPA fuel economy is 21 mpg in city driving and 29 mpg on the highway. Top speed is electronically limited to 155 mph.Inside Line says: The most expensive Golf derivatives yet. — Paul Lienert, Correspondent