New or Significantly Altered Models

2012 Buick Verano

The Verano is a new small Buick based on the European market Opel Astra and Chinese market Buick Excelle. The front-wheel-drive sedan is powered by a standard 2.4l four-cylinder engine rated at 177-bhp. A six-speed automatic is standard. Compared to the next largest Buick, the Verano is inches shorter and 2 inches narrower than the Regal.

Mostly Unchanged

2012 Buick Enclave

Trim level and standard equipment changes.

2012 Buick LaCrosse

The 2012 LaCrosse adds some basic hybrid technology to the 2.4l LaCrosse to improve fuel economy. Power on V6 models has increased to 303-bhp. Trim level and standard equipment changes.

2012 Buick Regal

The Regal adds a high-performance GS model to the lineup. A higher-output turbocharged version of the 2.0L engine produces 270-bhp and 295 lb-ft. of torque. The new Regal eAssist hybrid powertrain adds hybrid operation, start/stop technology and low rolling resistance tires to further increase fuel economy.

Discontinued

2011 Buick Lucerne