The 2012 Buick Regal GS is powered by a 2.0-liter in-line 4 cylinder turbocharged engine. This delivers 270 horsepower and 295 lb-ft of torque. The transmission fitted on this car …
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GS
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Inheriting the 2011 GS, the new 2013 GS 450h is heavier (4,190 LBS), and although it has a lesser acceleration than the 2011 model (5.6 seconds to 60 mph), the …
