Buick-Regal-GS-2012 Buick Regal GS 2012 has turbocharged DOHC 16-valve I-4 , direct-injected 2.0-liter inline-4 engine producing 270 horsepower and 295 lb-ft of torque . GS accelerate 0-60 miles  in 6.3-seconds. Lacking a similar performance dossier or brand cachet, the GS needs to deliver an exceptional driving experience, which we’re happy to report it mostly does. What it doesn’t do, however, is mess too much with the basic Regal package. That’s neither here nor there, as the Regal is a middle-of-the-road car that claims just as few fans as it does critics.

The addition of monstrous air intakes and chromed dual exhaust tips to the new front and rear fascias isn’t likely to change that, though perhaps the optional 20-inch, 10-spoke wheels might. They’re both pretty (thank you, chrome) and aggressive looking, showing off big, 14-inch front rotors and Brembo calipers up front. Inside, the upgrades are similarly substantial and focused