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Buick launched its mid-size Regal sedan in late 2010 as a 2011 model, with the Turbo, high-performance GS and eAssist models following suit over the past year. Now, General Motors' tri-shield arm has announced a couple of powertrain updates that will go into effect for the 2013 model year, namely the discontinuation of the naturally aspirated 2.4-liter inline-four in the base Regal.

For 2013, the Regal's standard engine is the 2.4-liter eAssit powerplant - a mill that, according to the EPA, is good for up to 36 miles per gallon on the highway. Buick pulled a similar stunt with its larger LaCrosse, killing off the base 2.4 in favor of the eAssist powertrain with a V6 available as a no-cost option. That said, Buick has not announced pricing for the updated 2013 Regal line, but we'll be interested to see if the 220-horsepower 2.0-liter inline-four of the Regal Turbo will be available at no additional cost.

The 270-hp Regal GS carries over largely unchanged, though as initially promised, a six-speed automatic transmission will now be optional. Buick states that the self-shifting unit will not hinder performance (well, except for that whole shift-on-your-own-terms thing), citing that the automatic-equipped Regal GS will sprint to 60 miles per hour in 6.7 seconds, just like manual-equipped cars.

Buick will release full pricing and availability for the 2013 Regal line later this year. In the meantime, read the full details for yourself in the press release below the fold.

Continue reading 2013 Buick Regal gets standard eAssist, automatic option for GS

2013 Buick Regal gets standard eAssist, automatic option for GS originally appeared on Autoblog on Tue, 07 Feb 2012 09:00:00 EST. Please see our terms for use of feeds.

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