The 2008 Buick Invicta Car is a four-door mid-size sedan car with a coupe-like roofline that showcases a new design direction for the GM brand. The 2008 Buick Invicta sedan makes its world debut at Auto China 2008, in Beijing. Powered by a 2.0L DOHC, direct injection turbo engine, the 2008 Buick Invicta may delivers 250 hp and 220 Nm of torque. The 2008 Buick Invicta engine transfers the power to a six-speed automatic gearbox. Press Release Buick Evolves Global Design Inspiration Into Invicta Show Car The sleek Buick Invicta show car revealed here in conjunction with Auto China 2008 is Buick’s strongest statement yet of its deliberately international plans. The four-door mid-size sedan with a coupe-like roof line presents bold direction for Buick’s new generation of vehicles in the world’s two biggest automotive markets – the United States and China.