With a very sporty look, aspect of shark teeth simulating a front grille, blunting alloy wheels 20 inches, the Buick Regal GS comes as a production model but with some similarity to the concept, and also with many of the traits his brother, the Opel Insignia OPC, the main difference, target market and the block under the hood.

The Opel has a 2.8-liter V6 twin-scroll turbo with 325 horsepower and four-wheel drive with eLSD, while its American counterpart has a 2.0-liter turbocharged 4-cylinder, 260 horsepower front wheel well. This can add that the Buick Regal GS is less “exclusive” than the Insignia.

For its part, Buick Regal GS offers six-speed manual transmission while in 2011 will be sold with automatic transmission (6v), has Brembo brake system, Interactive Drive Control to adjust the suspension as a Standard, Sport and GS, and The new system includes the StabiliTrak stability control, which also incorporates traction control.